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Specifications Index

ENVOY, SONOMA & S-10 PICKUP SPECIFICATIONS INDEX

System Specification/Procedure
Air Conditioning
Service A/C SYSTEM GENERAL SERVICING
Torque TORQUE SPECIFICATIONS
Axle Nut/Hub Nut 103 Ft. Lbs. (140 N.m)
Battery
2.2L 4-Cyl See BATTERY SPECIFICATIONS table under CAPACITIES .
4.3L V6 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 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 or specification stamped on cap.
Thermostat R & I
2.2L 4-Cyl THERMOSTAT
4.3L V6 NA
Water Pump R & I
2.2L 4-Cyl WATER PUMP
4.3L V6 WATER PUMP
Engine Mechanical
2.2L 4-Cyl
Compression ENGINE COMPRESSION
Oil Pressure 56 psi (3.9 kg/cm2 ) at 3000 RPM.
Overhaul ENGINE SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
4.3L V6
Compression ENGINE COMPRESSION
Oil pressure 18 psi (124.1 kPa) @ 2000 RPM.
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 4-Cyl 55 Ft. Lbs. (75 N.m)
4.3L V6 66 Ft. Lbs. (90 N.m)
Fuel System
Pressure Specification
2.2L 4-Cyl 41-47 psi (2.9-3.3 kg/cm2 )
4.3L V6 60-66 psi (4.2-4.6 kg/cm2 )
Fuel Pressure Test Procedure
2.2L 4-Cyl FUEL SYSTEM PRESSURE TEST
4.3L V6 FUEL SYSTEM PRESSURE TEST
Fuel Filter Location and R & I
2.2L 4-Cyl REMOVAL PROCEDURE (S-10 PICKUP)
4.3L V6 REMOVAL PROCEDURE (BLAZER, BRAVADA, JIMMY, S10 PICKUP, SONOMA)
Ignition
Firing Order & Cylinder Identification
2.2L 4-Cyl See FIRING ORDER & CYLINDER IDENTIFICATION
4.3L V6 See FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance)
2.2L 4-Cyl HIGH TENSION WIRE RESISTANCE
4.3L V6 HIGH TENSION WIRE RESISTANCE
Ignition Wires (Routing)
2.2L 4-Cyl NA
4.3L V6 See appropriate graphic under FIRING ORDER
Spark Plug
2.2L 4-Cyl (AC 41-948)
Gap /050 in. (1.27 mm)
Torque 13 Ft. Lbs. (17 N.m)
4.3L V6 (AC 41-932)
Gap /045 in. (1.14 mm)
Torque 14 Ft. Lbs. (20 N.m)
Starting
Starter See STARTER NO-LOAD TEST SPECIFICATIONS table under STARTER NO-LOAD TEST .
Torque TORQUE SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque TORQUE SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque 109 Ft. Lbs. (136 N.m)