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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 ...................................................................................................26
3.1.15 AC Compressor .............................................................................................................26
3.1.16 Crank Shaft Nose Load .................................................................................................26
3.2 INTERFACES WITH VEHICLE SUBSYSTEMS........................................................................28
3.2.1a GMPT interface with Electrical Supply System-Truck Application ................................28
3.2.1b GMPT interface with Electrical Supply System- Marine and Industrial Application ......46
3.2.2 GMPT interface with Electrical Starting System ...........................................................48
3.2.3 GMPT interface with CHASSIS BRAKE ABS System ..................................................48
3.2.4 GMPT Interface with HVAC System..............................................................................49
3.2.4.1 Fan Cooling System .........................................................................................49
3.2.4.2 Coolant Properties............................................................................................50
3.2.4.3 Coolant Radiator (Recommended Minimum Values) .......................................50
3.2.4.3.1 Heater Performance .........................................................................50
3.2.4.3 Operating Conditions and Measures................................................................51
3.2.4.3.1 Heat Rejection..................................................................................51
3.2.4.3.2 System Pressure ..............................................................................51
3.2.4.3.3 Coolant Operating Temperatures .................................................... 52
3.2.4.3.4 Flow Rates .......................................................................................52
3.2.4.3.5 Coolant Fill .......................................................................................53
3.2.4.4 Coolant and Heater Subsystem Descriptions ..................................................54
3.2.4.4.1 Coolant Inlet- Water Pump Inlet Restriction.....................................54
3.2.4.4.2 Coolant Outlet- .................................................................................54
3.2.4.4.3 Heater Feed- ....................................................................................54
3.2.4.4.4 Heater Return...................................................................................54
3.2.4.4.5 Coolant Hose Material......................................................................54
3.2.4.4.6 Hose Clamps....................................................................................54
3.2.4.4.7 Thermostat .......................................................................................54
3.3.1 GMPT Interface with CHASSIS Fuel System................................................................55
3.3.2 GMPT interface with Air Induction System....................................................................57
3.3.2.1 Air Requirement................................................................................................57
3.3.2.2 Air Flow Path ....................................................................................................57
3.3.2.4 Temperature Rise .............................................................................................58
3.3.2.4 Filtration Requirements ....................................................................................58
3.3.3 GMPT Interface with Oil Cooling Subsystem ................................................................59
3.3.3.1 Oil Cooler Requirements - ............................................................................... 59
3.3.4 GMPT Interface with Chassis Engine Mountings..........................................................60
3.3.4.1 Engine Packaging Dimensions.........................................................................60
3.3.4.2 Recommended Installation Angles ...................................................................60
3.3.4.2.1 Recommended Side View Angle.......................................................60
3.3.4.2.2 Recommended Front View Angle.................................................... 60
3.3.4.2.3 Recommended Plan View Angle......................................................60
3.3.4.3 Rear Face of Block Configuration ....................................................................61
3.3.4.4 Ground Clearance ............................................................................................61
4.0 DETAILED PERFORMANCE DESCRIPTION ..................................................................................63
4.1 EXHAUST AND EVAPORATIVE EMISSIONS ..........................................................................63
4.1.1 EPA Certification............................................................................................................63
4.1.2 CARB Certification ........................................................................................................63
4.1.3 Other Regulations ........................................................................................................63
4.1.3.1 Onboard Diagnostics ........................................................................................64
4.1.3.2 Applicability.......................................................................................................64
4.1.3.3 Requirements ...................................................................................................64