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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2002 GMC Sonoma car and truck
repair procedures including GMC 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 2002 GMC Sonoma automobile. Try the Automotix DIY solution today!
We have info for following modifications of 2002 GMC Sonoma
- 2002 GMC Sonoma 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:W
- 2002 GMC Sonoma 2.2 L4 FLEX, CID:134, Fuel Injection, Aspiration:134, Engine VIN:, Desg:5
BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Description
Vehicle: 2002 GMC Sonoma 4.3 V6 GAS
The caliper mounts in a way that allows the caliper to move laterally inboard as the brake pads wear. The caliper housing is a one piece casting with the inboard side containing the piston bore. The piston seal also acts as a return mechanism for the piston.
Applying the brake pedal causes the hydraulic pressure that moves the caliper piston. The piston then forces the inboard brake pad against the inboard braking surface of the rotor. Increasing the force against...
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BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Drum Brakes -> Brake Service -> Astro, Bravada, S & T Series & Safari -> Aztek, Rendezvous & Vue -> C & K Series -> Duo-Servo -> Express & Savana -> Installation -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Removal -> Single-Servo -> Tracker
Vehicle: 2002 GMC Sonoma 2.2 L4 FLEX
C & K Series
Duo-Servo
Removal
- Raise and support vehicle.
- Mark relationship of wheel to hub, then remove tire and wheel assembly.
- On models equipped with full-floating axles, remove hub and drum assembly as outlined in. "Drive Axles."
- On models equipped with semi-floating axles, proceed as follows:
- Install pin into park brake lever.
- Mark relationship of drum to axle.
- Remove rear brake drum retainers, as required.
- Remove rear brake drum.
- On all models, remove return springs and shoe guide,. Fig. .
- Remove brake hold down springs and pins.
- Disconnect actuator lever and pivot.
- Remove lever return sp...
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BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Rotor Replacement -> 2WD Models -> 4WD Models -> Except K3500 -> Except Montana, Silhouette, Trans Sport & Venture -> Front -> K3500 -> Montana, Silhouette, Trans Sport & Venture -> Rear
Vehicle: 2002 GMC Sonoma 4.3 V6 GAS
2WD Models
Except Montana, Silhouette, Trans Sport & Venture
Front
- Raise and support vehicle.
- Remove tire and wheel assembly.
- Remove caliper as outlined in. "Caliper Service."
- Remove grease cap from hub/rotor,. Fig. .
- Remove cotter pin, nut and washer.
- Remove hub/rotor from spindle, being careful not to damage spindle threads or outer bearing.
- Reverse procedure to install, noting the following:
- Apply high-temperature wheel bearing grease to inner and outer wheel bearings.
- Torque nut to 12 ft. lbs., while turning wheel assembly forward by hand, back nut off one flat or until hole in spindle...
CLICK HERE TO GET FULL ACCESS TO 2002 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2002 GMC Sonoma 2.2 L4 FLEX
Brake Lines & Linings
Remove one of the front wheels and inspect the brake disc, caliper and linings.
Do not allow any oil or grease on the linings. It is recommended that linings be replaced in sets when worn or damaged.
If the caliper is cracked or fluid leakage through the casting is evident, it must be replaced as a unit.
Brake Roughness
The most common cause of brake chatter on disc brakes is a variation in thickness of the disc. If roughness or vibration is encountered during highway operation or if pedal pumping is experienced at low speeds, the disc may have excessive thickness v...
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BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Hydraulic Brake Systems -> Adjustments -> Height Sensing Proportioning Valve
Vehicle: 2002 GMC Sonoma 2.2 L4 FLEX
Height Sensing Proportioning Valve
The height sensing proportioning valve must be adjusted whenever the valve and/or linkage is disassembled or removed for service. In addition, adjustment should be inspected if excessive front wheel lock-up is experienced with a lower than desired brake application rate when vehicle is at or near maximum GVWR.
- Raise and support vehicle, leave wheels on and allow axle to hang freely.
- Remove lever retaining nut and disconnect lever from valve shaft,. Fig. .
- Rotate valve shaft to permit installation of correct adjustment gauge,. Fig. , ensure D shaped hol...
CLICK HERE TO GET FULL ACCESS TO 2002 GMC Sonoma BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 2002 GMC Sonoma AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 2002 GMC Sonoma cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Troubleshooting -> Brake Rattle -> Brake Roughness Or Chatter; Pedal Pumping -> Caliper Brake Fluid Leak -> Excessive Pedal Effort -> Excessive Pedal Travel -> Heavy Brake Drag -> No Braking Effect When Brake Pedal Is Depressed -> Pull, Uneven Or Grabbing Brakes -> Rear Brakes Locking On Application
Vehicle: 2002 GMC Sonoma 2.2 L4 FLEX
Excessive Pedal Travel
- Worn brake linings.
- Disc pads knock back after cornering or rough road travel.
- Piston and linings not properly seated or positioned.
- Insufficient fluid in system.
- Loose wheel bearing adjustment.
- Damaged or worn caliper piston seal.
- Improper booster pushrod adjustment.
- Pads out of flat more than .005 inch.
- Rear brake automatic adjusters inoperative.
- Improperly ground rear brake shoes.
Brake Roughness Or Chatter; Pedal Pumping
- Excessive lateral runout of rotor.
- Rotor excessively out of parallel.
Excessive Pedal Effort
- Frozen or seized pistons.
- Brake fluid, oil or grease on ...
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