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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 Chevrolet G20 VAN car and truck
repair procedures including Chevrolet engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your 1991 Chevrolet G20 VAN automobile. Try the Automotix DIY solution today!
We have info for following modifications of 1991 Chevrolet G20 VAN
- 1991 Chevrolet G20 VAN 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
- 1991 Chevrolet G20 VAN 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
- 1991 Chevrolet G20 VAN 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
- 1991 Chevrolet G20 VAN 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
- 1991 Chevrolet G20 VAN Sportvan 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
- 1991 Chevrolet G20 VAN Sportvan 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
- 1991 Chevrolet G20 VAN Sportvan 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
- 1991 Chevrolet G20 VAN Sportvan 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEMS, GENERAL MOTORS -> WHEEL CYLINDER OVERHAUL
Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.7 V8 GAS
- Raise and support vehicle.
- Remove wheel, drum and brake shoes.
- Disconnect hydraulic line at wheel cylinder. Do not pull metal line away from cylinder, as this may kink or bend line. Line will separate from cylinder when cylinder is moved away from brake backing plate.
- Remove wheel cylinder-to-brake plate attaching screws, then the wheel cylinder.
- Remove boots, pistons, springs and cups from cylinder, Fig. .
- Clean all parts with brake fluid.
- Inspect cylinder bore. A scored bore may be honed as long as the diameter is not increased by ...
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
HYDRAULIC BRAKE SYSTEMS, GENERAL MOTORS -> MASTER CYLINDER, Replace
Vehicle: 1991 Chevrolet G20 VAN Sportvan 4.3 V6 GAS
- On vehicles w/manual brakes, disconnect master cylinder push rod from brake pedal.
- On all models, disconnect all wire connectors from mas...
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Bendix Single Piston Sliding Caliper -> BRAKE PADS, Replace
Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.7 V8 GAS
The procedures to remove & install the brake pads are outlined under "Caliper Service," "Remova... "
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
ANTI-LOCK BRAKES, GENERAL MOTORS -> Rear Wheel Anti-Lock Brake System -> DESCRIPTION
Vehicle: 1991 Chevrolet G20 VAN 4.3 V6 GAS
The Rear Wheel Anti-Lock (RWAL) system, Fig. , reduces the occurrence of rear wheel lockup during severe braking by regulating rear hydraulic line pressure. Pressure applied to the rear wheel brakes is regulated by a control valve assembly located under the master cylinder. The control valve consists of a dump valve which releases hydraulic pressure into an accumulator, and an isolation valve which holds rear brake pressure. Operation of the dump valve and isolation valve is controlled by an Electronic Control Unit (ECU) which is mounted next to the master cylinder.
The ECU receives ...
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
POWER BRAKE UNITS, GENERAL MOTORS -> Bendix Brake Boosters -> POWER BRAKE UNIT, Replace -> 1990-91 C & K SERIES -> ASTRO VAN & SAFARI VAN -> CABALLERO & EL CAMINO -> FULL SIZE EXCEPT 1990-91 C & K SERIES
Vehicle: 1991 Chevrolet G20 VAN Sportvan 5.0 V8 GAS
CABALLERO & EL CAMINO
Pump brake pedal several times with engine off to deplete accumulator of fluid.
- Remove two nuts attaching master cylinder to booster, then move master cylinder away from booster with brake lines attached.
- Remove three hydraulic lines from booster. Plug and cap all lines and outlets.
- Remove retainer and washer securing booster pushrod to brake pedal arm.
- Remove four nuts attaching booster unit to dash panel.
- From engine compartment, loosen booster from dash panel and move booster pushrod inboard until it disconnects from brake pedal arm. Remove spring wa...
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1991 Chevrolet G20 VAN AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 Chevrolet G20 VAN cars and light trucks from 1990+.
DISC BRAKES, GENERAL MOTORS -> Bendix Single Piston Sliding Caliper -> BRAKE PADS, Replace
Vehicle: 1991 Chevrolet G20 VAN Sportvan 4.3 V6 GAS
The procedures to remove & install the brake pads are outlined under "Caliper Service," "Remova... "
CLICK HERE TO GET FULL ACCESS TO 1991 Chevrolet G20 VAN BRAKE SERVICE PROCEDURES
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