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GM V6 90 Degree manual

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Table of contents for the manual

  • Page 1

    A p p l i c a t i o n M a n u a l G a s ol i n e 4 . 3 L V 6 9 0 D e g r ee 2 0 01 M o d e l Y e a r General Motor s P ower train Gro u p[...]

  • Page 2

    i ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 ENGINE APPLICA TION MANUAL Gasoline 4.3L V6 90 Degree Engines RPO : L35 Model Year: 2001 General Motors Powertrain Group 895 Joslyn Ave MC: 480-710-225 Pontiac MI 48340[...]

  • Page 3

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 1 1 . 0 I N T R O D U C T I O N This manual assists the reader in the application of the 4.3L V6 90 Degree family of engines to Transportation Vehicles, Marine and[...]

  • Page 4

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 2 2 . 3 PR O DU CT SPE C IF IC AT IO N SU M MA RY 2 . 3 . 1 S P E C I F I C A T I O N ENGINE L35 L35 UNITS Truck Application Marine Application PERFORMANCE Rated P[...]

  • Page 5

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 3 ENGINE L35 L35 UNITS Truck Application Marine Application Cylinder Head Subsystem Cylinder Head Material Cast-Iron Cast-Iron GM232-M GM232-M Cylinder Head Type: [...]

  • Page 6

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 4 Piston Pins Type - Fixed 24X70 Fixed 24X70 mm Material - Steel SAE 1019 Steel SAE 1019 Piston Rings Compression Rings Number: 2 2 Top Compression Steel Barrel St[...]

  • Page 7

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 5 Balance Shaft Type First Order First Order Material Nodular Cast Nodular Cast Rotation CCW CCW Speed Same as Crank. Same as Crank. Drive Helical Gear 14 ° Helic[...]

  • Page 8

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 6 Regulator Delphi Delphi Cartridge Cartridge Nominal Pressure 425 425 Kpa Injectors Delphi Delphi Recommended Fuel 87 87 Octane = (R+M)/2 Water Pump Type: Centrif[...]

  • Page 9

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 7 RPM Truck Marine Industrial Notes Applications Applications Applications Power Torque Power Torque Power Torque HP Lbs.-ft HP Lbs.-ft HP Lbs.-ft 800 32.4 210.4 3[...]

  • Page 10

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 8 L 3 5 F r o n t V i e w L 3 5 R e a r V i e w L 3 5 M a i n V i e w s[...]

  • Page 11

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 9 L 3 5 R H S i d e V i e w L 3 5 L H S i d e V i e w[...]

  • Page 12

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 10 2 . 5 CONFIGU RATION AS SHIPPE D 2 . 5 . 1 E n g i n e a s S h i p p e d Engine as shipped from the engine plant is to conform to a common state of dress as des[...]

  • Page 13

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 11 RPO Description Notes L35 4.3L V-6 Engine w/ SCPI M30/MT1 Automatic Transmission M50/MG5 Manual Transmission K18 Air Injection (Electric pump) KC4 Engine Oil Co[...]

  • Page 14

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 12 Part TON ROM Broad Vehicle Description Number Cast Code 12559672 X AAA CK L35+M30+NF2 (-K18) 12559676 X AAF CK L35+M30+NC1 (+K18) 12559673 X AAB CK L35+MG5+NF2 [...]

  • Page 15

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 13 3.0 GMPT SYSTEM INTERFACES 3.1 INT ERNAL INT ERFACES TO GMPT 3.1.1 Engine Interface to transmission The transmission shall be attached to the rear end of the en[...]

  • Page 16

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 14 The following table shows the different Transmissions and Components coupled to the L35 engine and GM platforms. Transmission P-Truck C/K Truck G-Van M/L -Van S[...]

  • Page 17

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 15 3.1.2 Engine Interface to PCM ( Vehicular and Marine/Industrial Application) The 4.3L V6 90 Degree Engine uses the Powertrain Control Unit (PCM) to control the [...]

  • Page 18

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 16 3.1.3.4 TCC Control Algorithm The TCC algorithm determines when the torque converter clutch is applied or released, using a set of tables. These tables also det[...]

  • Page 19

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 17 3.1.5a PCM Pin Out and Pin In – Truck Applications See F igure 3.1.5 - I Power train Con trol M od ul e Diagram to reference the following pin out and pin in [...]

  • Page 20

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 18 Figure : 3.1.5a -II PCM Pin Out /I n Connec tor C2[...]

  • Page 21

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 19 The following table shows the different PCM ASM and Components coupled to the L35 engine per GM platforms. PCM ( 12 F ) P-Truck C/K Truck G-Van M/L -Van S/T Tru[...]

  • Page 22

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 20 3.1.5b PCM Pin Out and Pin In – Marine and Industrial Applications Marine Applications use a different control module : MEFI – 4 Multiport Electronic Fuel I[...]

  • Page 23

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 21[...]

  • Page 24

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 22 3.1.6 Engine interface to exhaust 3.1.6.1 Content The engine is provided with exhaust manifolds for vehicles and Industrial Applications. The exhaust manifold s[...]

  • Page 25

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 23 The following table shows the different Exhaust Assemblies and Components coupled to the L35 engine per GM platforms. Exhaust P-Truck C/K Truck G-Van M/L -Van S[...]

  • Page 26

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 24 3.1.6.2 Back Pressure Exhaust back pressure shall not exceed 8.5 inches of Hg at rated speed and load. Lower exhaust back pressure is desired from a performance[...]

  • Page 27

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 25 3.1.7 Engine Interface to Cruise Control Figure 3.2.1-I to 3.2.1-XVIII shows the PCM Engine to Vehicle Mechanization Diagram with this interface. The following [...]

  • Page 28

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 26 3.1.10 Accessory Drive System The engine is released with an accessory drive system whose components are dimensioned and released as indicated in the paragraphs[...]

  • Page 29

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 27 The application engineer can provide information above accessory bracket assemblies available for various engine applications. MY-2001 MY-2001 MY-2001 MY-2001 M[...]

  • Page 30

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 28 3.2 INTERFACES WITH VEHICLE SUBSYSTEMS 3.2.1a GMPT interface with Electrical Supply System-Truck Application Battery Type Description Model 78A-72 Voltage 12 Am[...]

  • Page 31

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 29 Figure 3.2.1-I to 3.2.1-XVI shows the PCM Engine to Vehicle Mechanization Diagram for the P- Truck platform application. Figure Number Description Figure 3.2.1 [...]

  • Page 32

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 30 Figure 3 .2.1a - I - P/T r uck - Mechani zation Dia gram – C o o ling, MAP , TPS a nd O IL Sensor s[...]

  • Page 33

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 31 Figure 3 .2.1a – I I – P/T r uck - M ech an ization Dia gram – EGR, Purge & V en t Solenoid Fuel Can ister[...]

  • Page 34

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 32 Figure 3 .2.1a - I I I - P/T ruc k - Mecha nization Diagram -VSS (T ISS & TOSS), Air Pump & So lenoid Rela y[...]

  • Page 35

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 33 Figure 3 .2.1a - I V - P/Truck - Mec hanizatio n Diagram – Engine to T ransmissi on (Aut o & Manual)[...]

  • Page 36

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 34 Figure 3 .2.1a - V - P/T ruc k - Mech anization Diagram – Engine Inj ectors[...]

  • Page 37

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 35 Figure 3 .2.1a - VI - P/Truck - Mec hanizatio n Diagram – TCC Sw itch & Cruise Control[...]

  • Page 38

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 36 Figure 3 .2.1a - VII - P/Truck - Mechaniz a tio n Diagr am – Star ter , Alte rnator & IP Gag es[...]

  • Page 39

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 37 Figure 3 .2.1a - VIII - P/Truck - Mechaniz a tio n Diagr am – Brake, ABS Switch, Se rial Data Link I/P Cl u st er & Cruise Module[...]

  • Page 40

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 38 Figure 3 .2.1a - I X - P/Truck - M echanizatio n Diagram – Oxyge n Se nsors[...]

  • Page 41

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 39 Figure 3 .2.1a - X - P/T ruc k - Mecha nization Diagram – I dle A ir Contr oller & Kn o ck Sensor[...]

  • Page 42

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 40 Figure 3 .2.1a - XI - P/Truck - Mech anizati o n Diagram – Fuel Syste m and Op tional ET C[...]

  • Page 43

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 41 Figure 3 .2.1a - XII - P/Truck - Mechanizatio n Diagram – Engine Ignition System[...]

  • Page 44

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 42 Figure 3 .2.1a - XIII - P/Truck - Mechaniz a tio n Diagr am – Engin e Crank & Cam Sensor s[...]

  • Page 45

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 43 Figure 3 .2.1a - XIV - P/Truck - M echanizat ion Diagr am – HV A C[...]

  • Page 46

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 44 Figure 3 .2.1a - XV - P/T r uck - M ech a nization Diagram – Power Dist ribution[...]

  • Page 47

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 45 Figure 3 .2.1a - XVI - P/Truck - M echanizat ion Diagr am – Note & referenc es[...]

  • Page 48

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 46 3.2.1b GMPT interface with Electrical Supply System- Marine and Industrial Application Figure 3.2.1b-I to 3.2.1b-II shows the PCM Engine to Vehicle Mechanizatio[...]

  • Page 49

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 47 Figure 3 .2.1b – I I - Mecha n iza tion D iagram – Eng ine Inje ctors, S p a rk Plugs[...]

  • Page 50

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 48 Engine Pre Heather P-Truck C/K Truck G-Van M/L -Van S/T Truck ( 6Y 2C ) Pre Heather ASM 12556261 12556261 12556261 12556261 12556261 Screw/Bolt 15969147 1596914[...]

  • Page 51

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 49 3.2.4 GMPT Interface with HVAC System In order to properly attach the engine to the vehicle and interface with the Vehicle Cooling System the following cooling [...]

  • Page 52

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 50 3.2.4.2 Coolant Properties GMPT engines are liquid cooled and designed to operate with a mix of ethylene glycol and water. GMPT recommends a daily audit of glyc[...]

  • Page 53

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 51 The following table shows the different Radiator ASM and Components coupled to the L35 engine per GM platforms. 3.2.4.3 Operating Conditions and Measures 3.2.4.[...]

  • Page 54

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 52 3.2.4.3.3 Coolant Operating Temperatures This engine has been validated for continuous duty including continuous operation at WOT with the coolant temperature u[...]

  • Page 55

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 53 3.2.4.3.5 Coolant Fill Assembly Plant - GMPT requires the engine cooling system to be at least 95% filled (from a dry system no bleed valves) before the engine [...]

  • Page 56

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 54 3.2.4.4 Coolant and Heater Subsystem Descriptions 3.2.4.4.1 Coolant Inlet- Water Pump Inlet Restriction Typical Diameter: 60 mm +/- 0.3 mm. The suction at the w[...]

  • Page 57

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 55 3.3.1 GMPT Interface with CHASSIS Fuel System Figure 3.2.1-I to 3.2.1-XVIII shows the PCM Engine to Vehicle Mechanization Diagram with this interface. Figure: 3[...]

  • Page 58

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 56 Fuel Tank P-Truck C/K Truck G-Van M/L -Van S/T Truck ( 8 B ) Fuel Tank ASM with Pump N/A 15759638 15017931 15747872 15013150 15759639 15017932 15066407 15028431[...]

  • Page 59

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 57 3.3.2 GMPT interface with Air Induction System 3.3.2.1 Air Requirement Figure: 3.3.2.1-I 4.3L V6 90 Degr ee Engine A ir Requ irements 3.3.2.2 Air Flow Path The [...]

  • Page 60

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 58 3.3.2.4 Temperature Rise The intake of air must avoid the suction of air coming from the hot spot areas of the inside of the engine bay such as proximity to exh[...]

  • Page 61

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 59 3.3.3 GMPT Interface with Oil Cooling Subsystem 3.3.3.1 Oil Cooler Requirements - Heat Rejection to Oil - Consult GM Application Engineer. The following table s[...]

  • Page 62

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 60 3.3.4 GMPT Interface with Chassis Engine Mountings 3.3.4.1 Engine Packaging Dimensions The packaging dimensions for the 4.3L V6 90 Degree referenced from the ce[...]

  • Page 63

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 61 3.3.4.3 Rear Face of Block Configuration The rear face of block is illustrated in Figure 3.3.4.3. Dimensions are from the center line of crank. Figure 3 .3.4.3 [...]

  • Page 64

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 62 The following table 4.4.1-I shows the different Mounting Components coupled to the L35 engine per GM platforms. Powertrain Mounting P-Truck C/K Truck G-Van M/L [...]

  • Page 65

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 63 4.0 DET AILED PERFORMANC E DESCRIPTION 4.1 EXHA UST AND EV A PORA T IVE EMISS IONS 4.1.1 EPA Certification This engine when equipped with GMPT specified exhaust[...]

  • Page 66

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 64 4.1.3.1 Onboard Diagnostics Onboard diagnostic refers to the ability of the Powertrain control system to self diagnose emission performance related problems and[...]

  • Page 67

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 65 5. 0 OPERA TING ENVIRONMENT 5.1 ROADWAY GRADES, SURFACES AND HAZARDS The careful selection of 4.3L V6 90 Degree Engine and Transmission in accordance with the p[...]

  • Page 68

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 66 5.3 HUMIDITY, RELATIVE HUMIDITY (SEE CHART 5.2-I) 5.4 PRESSURE (SEE CHART 5.2-I) The 4.3L V6 90 Degree Engine shall be able to withstand any combination of envi[...]

  • Page 69

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 67 5.12 Vibration Powertrain Bending Powertrain Bending is a source of low frequency noise (50-200 Hz) which results in vibration. Powertrain bending is defined as[...]

  • Page 70

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 68[...]

  • Page 71

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 69 6. 0 REC O MMENDED USA GE CONSTRAINTS The following defines the outer limits of the envelope of operation that this engine has been validated to (for its origin[...]

  • Page 72

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 70 T ab le 6.2.3. 2 - I V 6 S pe e d Dynam ic Range a) Operation at normal operating coolant temperature ( Range : 80 - 128 ∞ C) Maximum Transient (W.O.T.) 5200 [...]

  • Page 73

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 71 6.3 ENGINE LOAD Sustained high engine loads (loads in excess of 90% of W.O. T. torque) should not be applied below peak torque - e n gi ne r pm , See paragraph [...]

  • Page 74

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 72 6.4 OIL & CRANKCASE VENTILATION Ambient Operating Temperature -30°C to 128°C:use SAE 5W-30 Oil Q uality: Use oil that meets the CF-2 quality standards of [...]

  • Page 75

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 73 8. 0 SER VICE REQUIREMENTS 8.1 MAINTENANCE SCHEDULES (SEVERE USAGE AND NON SEVERE USAGE). There are two maintenance schedules applicable to the 4.3L V6 90 Degre[...]

  • Page 76

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 74[...]

  • Page 77

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 75 11.0 VALID A TION REQUIREMENTS 11.1 GENERAL The validation of GM Powertrain units may follow a wide variety of validation procedures. GMPT will participate with[...]

  • Page 78

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 76 11.3.6 Underhood Temperature Measurements and Locations Locations and Results performed by vehicle manufacturer shall be supplied to GMPT Application Engineer 1[...]

  • Page 79

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 77 12.0 NO TES 12.1 ACRONYMS, ABBREVIATIONS, AND SYMBOLS adv advance CAD Computer Aided Design A/F Air -Fuel ratio CFR Cooperative Fuel Research AIR Air Injection [...]

  • Page 80

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 78 L stabilized dynamometer load VTS Vehicle Technical Specification LBT Leanest Mixture for Best Torque VDP Vehicle Development Process (4-Phase) LFE Laminar Flow[...]

  • Page 81

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 79 Engine-Vehicle Definition Form UNITS VEHICLE PERFORMANCE REQUIREMENTS Maximum Speed on 1st Gear mph Maximum Speed on 2nd Gear mph Maximum Speed on 3rd Gear mph [...]

  • Page 82

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 80 Engine-Vehicle Definition Form UNITS TRANSMISSION Manual transmission 1 st Gear Ratio 2 nd Gear Ratio 3 rd Gear Ratio 4 th Gear Ratio 5 th Gear Ratio 6 th Gear [...]

  • Page 83

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 81 Engine-Vehicle Definition Form UNITS TRANSMISSION Manual transmission 1 st Gear Ratio 2 nd Gear Ratio 3 rd Gear Ratio 4 th Gear Ratio 5 th Gear Ratio 6 th Gear [...]

  • Page 84

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 82 Engine-Vehicle Definition Form UNITS Vehicle Power & Torque Requirements Rolling Power Grade Power Aerodyn. Power Total For Maximum Speed Requirements Requi[...]

  • Page 85

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 83 Engine-Vehicle Definition Form UNITS Alternator Make: M/N # : Location: Nominal Voltage Amperage Starter Make: M/N # : Location: Nominal Power: Amperage: Vehicl[...]

  • Page 86

    ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 File: c:datamanualesv6-truckam43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 84[...]

  • Page 87

    ii ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00[...]

  • Page 88

    iii ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 PREF A CE This document will assist the reader in the application of the 4.3L V6 90 Degree Engine to the vehicle. It gives an overview of the engine, its features, as well as focus on the systems, subsyst[...]

  • Page 89

    iv ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 GM Powertrain needs a thorough understanding of each application for the 4.3L V6 90 Degree Engine, including for example, vehicle mass, transmission performance details, vehicle speed and grade as well as [...]

  • Page 90

    v ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 TEMPLATE OWNERS Name Gasoline 4.3L V6 90 Degree Team : Date Approved Title/Affiliation Ron Meegan GMPT Total Integration Engineer L35 Frank Tenkel GMPT Application Engineering Luis Nespolo GMPT Application [...]

  • Page 91

    vi ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00[...]

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    vii ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 TABLE OF CONTENTS 1.0 INTRODUCTION ............................................................................................................................1 2.0 PRODUCT SUMMARY........................[...]

  • Page 93

    viii ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 3.1.13 Alternator .......................................................................................................................26 3.1.14 Power Steering Pump ....................................[...]

  • Page 94

    ix ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 5.0 OPERATING ENVIRONMENT ......................................................................................................... 65 5.1 ROADWAY GRADES, SURFACES AND HAZARDS .............................[...]