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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1999 GMC C2500 Pickup car and truck
repair procedures including GMC engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
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We have info for following modifications of 1999 GMC C2500 Pickup
- 1999 GMC C2500 Pickup 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:R
- 1999 GMC C2500 Pickup 6.5 V8 DIESEL, CID:395, Fuel Injection, Aspiration:395, Engine VIN:, Desg:F
- 1999 GMC C2500 Pickup 7.4 V8 GAS, CID:454, Fuel Injection, Aspiration:454, Engine VIN:, Desg:J
BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup cars and light trucks from 1990+.
Drum Brakes -> Precautions
Vehicle: 1999 GMC C2500 Pickup 7.4 V8 GAS
When working on or around brake assemblies, care must be taken to prevent breathing asbestos dust, as many manufacturers incorporate asbestos fibers in the production of brake linings. During routine service operations, the amount of asbestos dust from brake lining wear is at a low level because of a chemical breakdown during use and a few precautions will minimize exposure. Do not sand or grind brake linings unless suitable local exhaust ventilation equipment is used to prevent ...
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BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup cars and light trucks from 1990+.
Anti-lock Brakes -> Kelsey-Hayes -> Diagnosis & Testing -> 1997 Astro -> 1997 C & K Series -> 1997 G-Series -> 1997 P-Series -> 1997 S & T Series -> 1997-99 -> 1997-99 Except 1999 Sierra & Silverado -> 1997-99 G Van & P Series -> 1998 Astro -> 1998 C & K Series -> 1998 G-Series -> 1998 P-Series -> 1998 S & T Series -> 1999 Astro -> 1999 C & K Series Except Sierra & Silverado -> 1999 G-Series -> 1999 P-Series -> 1999 S & T Series -> 1999 Sierra & Silverado -> 2000 Astro -> 2000 C & K Series except Sierra, Silverado, Suburban, Tahoe & Yukon -> 2000 G-Series -> 2000 S & T Series -> 2000 Sierra -> 2000 Silverado -> 2000 Suburban -> 2000 Tahoe -> 2000 Yukon -> 2000-01 -> 2000-01 G Van -> 2001 Astro -> 2001 C & K Series -> 2001 G-Series -> 2001 S & T Series -> Accessing Diagnostic Trouble Codes -> Astro, Safari & S & T Series -> C & K Series -> Clearing Diagnostic Trouble Codes -> Connector Pin ID -> Diagnostic Process -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> Enhanced Diagnostics -> G Van & P Series -> Intermittents & Poor Connections -> Temperature Vs. Resistance -> Wiring Diagrams
Vehicle: 1999 GMC C2500 Pickup 6.5 V8 DIESEL
Accessing Diagnostic Trouble Codes
Diagnostic trouble codes (DTCs) can only be read by connecting a suitably programmed scan tool to the Data Link Connector (DLC) and following the tool manufacturer instructions.
Diagnostic Trouble Code Interpretation
Refer to Figs. and , for Diagnostic Trouble Code (DTC) interpretation.
Wiring Diagrams
Refer "Wiring Diagrams" in "Vehicle Systems"
Connector Pin ID
On 2000 S & T Series only, ensure correct anti-lock brake system connector pin identifications are used.
[[table data]]Diagnostic Process
- Inspect master cylinder reservoir fluid level and for possible fluid...
CLICK HERE TO GET FULL ACCESS TO 1999 GMC C2500 Pickup BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> Description
Vehicle: 1999 GMC C2500 Pickup 6.5 V8 DIESEL
In order to properly service power brake systems, a thorough understanding of the power assist system is necessary. These systems provide a mechanical assist, acting to increase the force applied to the master cylinder piston by the driver while decreasing the effort necessary to obtain acceptable stopping performance.
Hydraulic assist units incorporate a basic open center spool valve, hydraulic cylinder and an accumulator assembly in a common housing. When the brake pedal is depressed, the hydraulic piston moves forward closing off fluid relief passages, the spool valve applies flui...
CLICK HERE TO GET FULL ACCESS TO 1999 GMC C2500 Pickup BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup 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: 1999 GMC C2500 Pickup 7.4 V8 GAS
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 ...
CLICK HERE TO GET FULL ACCESS TO 1999 GMC C2500 Pickup BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup cars and light trucks from 1990+.
Disc Brakes -> Delco Single Piston Sliding Caliper -> Caliper Service -> Assemble -> Blazer, Bravada & Jimmy -> Disassemble -> Front -> Inspection -> Installation -> Rear -> Removal -> Sierra & Silverado
Vehicle: 1999 GMC C2500 Pickup 7.4 V8 GAS
Removal
Front
- Siphon brake fluid out of master cylinder until fluid level is approximately 1/3 full, this will prevent fluid overflow when caliper piston is pushed back into its bore.
- Raise and support vehicle, then remove wheels.
- Push piston back into its bore using suitable C-clamp, Fig. .
- Remove two caliper mounting bolts and lift caliper off of rotor.
Rear
Blazer, Bravada & Jimmy
- Raise and support vehicle.
- Mark position of wheel to hub for installation reference.
- Remove wheel assembly.
- Remove mounting bolt and disconnect brake hose fitting from caliper. Discard gaskets and plug brake h...
CLICK HERE TO GET FULL ACCESS TO 1999 GMC C2500 Pickup BRAKE SERVICE PROCEDURES
BRAKE SERVICE PROCEDURES FOR 1999 GMC C2500 Pickup AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1999 GMC C2500 Pickup cars and light trucks from 1990+.
Power Brake Units -> Bendix Brake Booster -> General Service
Vehicle: 1999 GMC C2500 Pickup 7.4 V8 GAS
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brakes will still operate, as the convention...
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