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Get Full Access Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 1991 GMC K1500 Pickup 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 1991 GMC K1500 Pickup automobile. Try the Automotix DIY solution today!
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We have info for following modifications of 1991 GMC K1500 Pickup

  • 1991 GMC K1500 Pickup Sierra 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
  • 1991 GMC K1500 Pickup Sierra 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
  • 1991 GMC K1500 Pickup Sierra 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
  • 1991 GMC K1500 Pickup Sierra 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C
  • 1991 GMC K1500 Pickup Sierra XC 4.3 V6 GAS, CID:262, Fuel Injection, Aspiration:262, Engine VIN:, Desg:Z
  • 1991 GMC K1500 Pickup Sierra XC 5.0 V8 GAS, CID:305, Fuel Injection, Aspiration:305, Engine VIN:, Desg:H
  • 1991 GMC K1500 Pickup Sierra XC 5.7 V8 GAS, CID:350, Fuel Injection, Aspiration:350, Engine VIN:, Desg:K
  • 1991 GMC K1500 Pickup Sierra XC 6.2 V8 DIESEL, CID:379, Fuel Injection, Aspiration:379, Engine VIN:, Desg:C

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston Caliper -> BRAKE PAD, Replace -> INSTALLATION -> REMOVAL
Vehicle: 1991 GMC K1500 Pickup Sierra 5.0 V8 GAS

REMOVAL

  • Remove caliper assembly as outlined above.
  • Remove inboard pad with retainer spring. Dislodge outboard pad and position caliper on the front suspension so the brake hose will not support the weight of the caliper.
  • Remove two sleeves from inboard ears of the caliper.
  • Remove four rubber bushings from the grooves in each of the caliper ears.

INSTALLATION

  • Lubricate new sleeves, rubber bushings, bushing grooves and mounting bolt ends with Delco Silicone Lube or equivalent.
  • Install new bushings and sleeves in caliper ears. Position the sleeve so that the end toward the pad is flush...

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston Caliper -> CALIPER SERVICE -> ASSEMBLE -> DISASSEMBLE -> INSTALLATION -> REMOVAL
Vehicle: 1991 GMC K1500 Pickup Sierra 4.3 V6 GAS

REMOVAL

  • Siphon enough brake fluid out of the master cylinder to bring fluid level to1-3 full to avoid fluid overflow when the caliper piston is pushed back into its bore.
  • Raise and support vehicle, remove front wheels.
  • Using a C-clamp, as illustrated in Fig. , push piston back into its bore.
  • Remove two mounting bolts and lift caliper away from disc.

DISASSEMBLE

  • Disconnect hose from the caliper being careful not to lose copper washers.
  • Remove caliper as outlined above.
  • Drain brake fluid from caliper.
  • Pad caliper interior with clean shop towels and apply compressed air to remove piston, Fi...

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

POWER BRAKE UNITS, GENERAL MOTORS -> Tracker Brake Booster -> BOOSTER SERVICE -> ASSEMBLE -> DISASSEMBLE
Vehicle: 1991 GMC K1500 Pickup Sierra XC 6.2 V8 DIESEL

DISASSEMBLE

  • Remove pushrod clevis and locknut.
  • Install brake booster to brake mounting fixture, Fig. . Ensure booster vacuum pipe is clear of mounting fixture base and the booster mounting nuts are not over tightened.
  • Turn fixture handle until No. 1 and No. 2 body tabs are aligned, Fig. .
  • Remove booster from fixture, then separate body No. 1 and No. 2. This step must be performed with care because there is spring pressure between body No. 1 and No. 2.
  • Remove booster piston spring, piston rod, boot, air cleaner and air cleaner separator from body No. 2.
  • Remove valve stopper key cush...

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

ANTI-LOCK BRAKES, GENERAL MOTORS -> Four Wheel Anti-Lock Brake System -> DESCRIPTION
Vehicle: 1991 GMC K1500 Pickup Sierra 6.2 V8 DIESEL

This braking system Fig. is designed to reduce the occurrence of wheel lock-up during severe braking conditions. To accomplish this function, the system regulates hydraulic brake line pressure by using an Electronic Hydraulic Control Unit (EHCU) module. This control module has two types of valves. Isolation valves which maintain pressure to each front wheel separately and rear wheels combined. Dump valves which dump pressure to each front wheel separately and rear wheels combined. These valves are controlled by a microcomputer which is part of the EHCU module. During a severe brak...

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> Delco-Moraine Single Piston Caliper -> CALIPER SERVICE -> ASSEMBLE -> DISASSEMBLE -> INSTALLATION -> REMOVAL
Vehicle: 1991 GMC K1500 Pickup Sierra XC 6.2 V8 DIESEL

REMOVAL

  • Siphon enough brake fluid out of the master cylinder to bring fluid level to1-3 full to avoid fluid overflow when the caliper piston is pushed back into its bore.
  • Raise and support vehicle, remove front wheels.
  • Using a C-clamp, as illustrated in Fig. , push piston back into its bore.
  • Remove two mounting bolts and lift caliper away from disc.

DISASSEMBLE

  • Disconnect hose from the caliper being careful not to lose copper washers.
  • Remove caliper as outlined above.
  • Drain brake fluid from caliper.
  • Pad caliper interior with clean shop towels and apply compressed air to remove piston, Fi...

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

BRAKE SERVICE PROCEDURES FOR 1991 GMC K1500 Pickup AUTOMOBILES

Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported 1991 GMC K1500 Pickup cars and light trucks from 1990+.

DISC BRAKES, GENERAL MOTORS -> Bendix Single Piston Sliding Caliper -> BRAKE PADS, Replace
Vehicle: 1991 GMC K1500 Pickup Sierra 6.2 V8 DIESEL

The procedures to remove & install the brake pads are outlined under "Caliper Service," "Remova... "

CLICK HERE TO GET FULL ACCESS TO 1991 GMC K1500 Pickup BRAKE SERVICE PROCEDURES

Shop online for auto body parts, engines, wheels, lights...

Click here to view more details about 1996 GMC K1500 Starter1996 GMC K1500 Starter, DD type; 12 V, 9 teeth, clockwise rotation; Replaces OE Delco unit; No core required; A high quality, direct fit OE replacement starter; With 2-year NSA warranty..

Source: Auto Body Parts Store

$100.42

Click here to view more details2005 GMC Yukon Door Handle, Front, Passenger Side, With keyhole; A high quality, OE replacement door handle; With 1-year limited Matheny warranty..

Source: Auto Body Parts Store

$17.48

Click here to view more details2009 GMC Envoy 16" x 7" Steel Wheel, Steel Wheel; 16 X 7; 5 Vents; 6 Lug; 5 Inch BP; Ident 30603; New Replica; Black, , .

Source: Wheels / Rims, Mirrors & Lights Store

$103.50

Click here to view more details1998 GMC K1500 Pickup Sierra XC V8, 6.5 L, 395 CID Rebuilt Engine, Warranty: 3-Year/100,000 Mile, .

Source: Rebuilt Engines Store

$6,365.00

Click here to view more details1989 GMC K1500 Pickup Used Exhaust Manifold, 8-350 (5.7L), L., Without AIR; Automatic Transmission, Very Good.

Source: Used Auto Parts Store

$132.00

Click here to view more details1997 GMC K1500 Pickup Used AM-FM-Cassette, AM-MONO-FM-STEREO-CASS UM6, Very Good.

Source: Used Auto Parts Store

$66.00
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