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Application Manual
Gasoline 4.3L
V6 90 Degree
2001 Model Year
General Motors
Powertrain Group
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 ENGINE APPLICATION 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 Contact:Luis Nespolo - (248) 857-1558 Printed: 8/15/00 i
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 1 . 0 INTRODUCTION This manual assists the reader in the application of the 4.3L V6 90 Degree family of engines to Transportation Vehicles, Marine and Industrial applications. It gives an overview of the engine, its features, and systems. Details are provided on typical interfaces between the engine, related subsystems, and the vehicle. Caution: The performance of the engine is dependent on the specific appl
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 2 . 3 PRODUCT SPECIFICATION SUMMARY 2.3.1 SPECIFICATION ENGINE L35 L35 UNITS Truck Application Marine Application PERFORMANCE Rated Power 200 223 hp Rate Power Speed 4600 4800 rpm Rated Torque 260 275 Lb. ft Rated Torque Speed 2800 3800 rpm Torque Extension Speed Range (From Peak Torque to Peak Power) 1800 1000 rpm Exhaust Restriction at Rated Power 8.85 to 8.58 0 in hg (Better than) @ 4600 rpm Piezometer Inl
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 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: OHV OHV Valves Actuation: Push Rod Push Rod Rocker Arm Ratio 1.5:1 1.5:1 Valve Train Valves per Cylinder: 2 2 Valves Angle from Vertical: 15 15 Degree Lifters - Type Hydraulic Roller Hydraulic Roller Valve Guides Cast Iron Cast Iron Intake Valves Ma
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 ENGINE L35 L35 UNITS Truck Application Marine Application 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 Steel Barrel 1.5mm 1.5mm Second Compression Cast Iron Cast Iron 1.5 mm 1.5 mm Oil Control Rings Number - 1 1 Type - Low Tension Low Tension 3 Pieces 3 Pieces Material - Plated Steel Plated St
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 ENGINE L35 L35 UNITS Truck Application Marine Application 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 ° Helical Gear 14 ° Off Cam Off Cam Oil Lubrication Main and Rod Bearings Pressure Pressure N/a Camshaft Pressure Pressure N/a Timing Gear Splash Splash N/a Connecting Rods Pressure Pressure N/a Valve M
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 ENGINE L35 L35 UNITS Truck Application Marine Application Regulator Delphi Delphi Cartridge Cartridge Nominal Pressure 425 425 Kpa Injectors Delphi Delphi Recommended Fuel 87 87 Octane = (R+M)/2 Water Pump Type: Centrifugal Centrifugal Water Pump Maximum Flow @ Engine RPM: 76.5 76.5 GPM @ 4600 RPM Maximum Sustained Coolant Temperature: 262 262 F Thermostat Setting Starts to Open 180 180 F Full Open 262 262 F B
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 2 . 3 . 2 Performance 2.3.2.1 Engine Power & Torque The performance of the 4.3L V6 Engine is specified in the following paragraphs. The Fig 2.3.2.1-I shows the following performance characteristics for the L35 engine: Power, Torque and Speed Range. The engine will deliver the power and torque levels within +/-5% (after run in) as shown in Table 2.3.2-I. RPM Truck Marine Industrial Notes Applications Applicati
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 L35 Main Views L35 Front View L35 Rear View File: c:\data\manuales\v6-truck\am43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 8 Printed: 8/15/00
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 L35 RH Side View L35 LH Side View File: c:\data\manuales\v6-truck\am43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 9 Printed: 8/15/00
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 2 . 5 CONFIGURATION AS SHIPPED 2 . 5 . 1 Engine as Shipped Engine as shipped from the engine plant is to conform to a common state of dress as described below. The following components are installed at the engine plant: Harmonic balancer Crankshaft sensor Direct drive accessories (not belt driven) E.G.R. system Engine lift brackets Engine oil Engine oil dipstick and tube Exhaust manifold(s) Exhaust manifold he
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 2.6.3.1 Engine Option Description 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 Cooler KL5 Gaseous Fuel Compatible NA1 Below 8500# GVW NA3 Emission System - Japan NA4 Above 8500# GVW NB6 Emission System - Calif. Tier 1 (-K18 on CK Manuals) NC1 Emission System - Calif. LEV (+K18 on CK / -K18 on M/L)
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 2.6.3.2 Engine Broadcast Codes & Part Numbers 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 (-K18) 12559677 X AAH CK L35+MG5+NC1 (+K18) 12559680 X ABA G-LD L35+M30+NA1-K18 12559681 X ABB G-HD L35+MT1+NA4 (-K18) 12559682 X ABC G-LD L35+M30+NA1+NF4+K18 12559684 X ACA ML L35+M30+NA3/NC1/NC8
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 3.0 GMPT SYSTEM INTERFACES 3.1 INTERNAL INTERFACES TO GMPT 3.1.1 Engine Interface to transmission The transmission shall be attached to the rear end of the engine, which provided the flange face attachment illustrated in the figure 3.1.1- I. Figure 3.1.1-I: Transmission attachment 3.1.1.1 Automatic Transmission The 4.3L V6 engine could be mated to either: the GM Automatic Transmission Hydra Matic 4L60E or t
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 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/T Truck ( UPC: 7 ) Auto 4L80E MT1 24210752 N/A 24210754 N/A N/A Bolt/Screw/Stud 15724226 N/A 15724226 11514224 11514224 N/A N/A Auto 4L60E M30 N/A 24211665 24211668 24211663 24211662 24211666 24211664 24211663 24211667 Brace N/A N/A N/A 15992466 N/A B
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 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 engine, automatic transmission, the vehicle performance parameters and the onboard diagnostic system. 3.1.2.1 Inputs from the Engine to the PCM The following Inputs are internal engine parameters and must be supplied to the Powertrain Control Module: B
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 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 determine and control the rate of application and release of the TCC based on Throttle position 3.1.3.5 Inputs from Transmission to PCM The following are external Inputs coming from the Transmission to the PCM: Transmission Speed Sensor Transmission Fluid
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 3.1.5a PCM Pin Out and Pin In – Truck Applications See Figure 3.1.5 - I Powertrain Control Module Diagram to reference the following pin out and pin in connector information Figure : 3.1.5a - I PCM Pin Out /In Connector C1 File: c:\data\manuales\v6-truck\am43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 17 Printed: 8/15/00
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ENGINE APPLICATION MANUAL GM Powertrain Gasoline 4.3L V6 90 Degree Revised: 08/15/2000 Figure : 3.1.5a -II PCM Pin Out /In Connector C2 File: c:\data\manuales\v6-truck\am43v6#3.doc Contact:Luis Nespolo - (248) 857-1558 18 Printed: 8/15/00
