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Specifications Index

BRAVADA, ENVOY, JIMMY, S10 PICKUP, SONOMA SPECIFICATIONS INDEX

System Specification/Procedure
Air Conditioning
Service
Automatic SPECIFICATIONS
Manual SPECIFICATIONS
Torque
Automatic NA
Manual TORQUE SPECIFICATIONS
Axle Nut/Hub Nut 103 Ft. Lbs. (140 N.m)
Battery See BATTERY SPECIFICATIONS table under CAPACITIES .
Brakes
Bleeding Sequence ABS BLEEDING PROCEDURE
Disc Brakes
Front DISC BRAKE SPECIFICATIONS
Rear REAR DISC BRAKE SPECIFICATIONS
Drum Brakes (If Equipped) DRUM BRAKE SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
Charging
Generator See GENERATOR USAGE/AMP OUTPUT RATING table under DESCRIPTION .
Torque TORQUE SPECIFICATIONS
Drive Belts
Adjustment BELT ADJUSTMENT
Belt Routing See appropriate graphic under SERPENTINE BELT ROUTING & ALIGNMENT -- TRUCKS .
Engine Cooling
General Service Specifications COOLING SYSTEM SPECIFICATIONS
Radiator Cap Pressure 15 psi
Thermostat R & I
2.2L THERMOSTAT
4.3 L NA
Water Pump R & I
2.2L WATER PUMP
4.3L WATER PUMP
Engine Mechanical
2.2L
Compression ENGINE COMPRESSION
Oil Pressure Normal oil pressure is 56 psi (3.9 kg/cm2 ) at 3000 RPM.
Overhaul ENGINE SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
4.3L V6
Compression ENGINE COMPRESSION
Oil Pressure Minimum @ 2,000 RPM is 18 psi (124.1 kPa)
Overhaul ENGINE SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
Fluid Specifications See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate Torque
2.2L 55 Ft. Lbs. (75 N.m)
4.3L 74 Ft. Lbs. (100 N.m)
Fuel System
Pressure Specification
2.2L 41-47 psi (2.9-3.3 kg/cm2 )
4.3L 60-66 psi (4.2-4.6 kg/cm2 )
Fuel Pressure Test Procedure FUEL SYSTEM PRESSURE TEST
Fuel Filter Location and R & I REMOVAL PROCEDURE (BLAZER, BRAVADA, ENVOY, JIMMY, S10 PICKUP, SONOMA
Ignition
Firing Order & Cylinder Identification See FIRING ORDER & CYLINDER IDENTIFICATION .
Ignition Wires (Resistance) 30,000 Ohms Maximum
Ignition Wires (Routing) NA
Spark Plug
2.2L
Type AC 41-948
Gap .050 In. (1.27 mm)
Torque 13 Ft. Lbs. (17 N.m)
4.3L V6
Type AC 41-932
Gap VIN W .060 In. (1.52 mm)
VIN X .045 In. (1.14 mm)
Torque 11 Ft. Lbs. (15 N.m)
Tighten spark plugs to 22 ft. lbs. (30 N.m) when using NEW iron cylinder head. Tighten spark plugs to 15 ft. lbs. (20 N.m) when using NEW aluminum cylinder head.
Starting
Starter ON-VEHICLE TESTING
Torque TORQUE SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque 100 Ft. Lbs. (136 N.m)