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GMC CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about GMC 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 GMC
automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR GMC AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported GMC cars and light trucks from 1990+
Component Replacement & Adjustment -> Light Duty Trucks & Vans -> Blower Motor, Replace -> Astro & Safari -> Bravada, S & T Series -> C & K Series -> Front -> G Series -> Montana, Silhouette, Trans Sport & Venture -> P Series -> Rear -> Tracker
Vehicle: 1999 GMC C2500 Suburban 6.5 V8 DIESEL
Astro & Safari
Front
- Remove air cleaner assembly.
- Disconnect electrical connector, then remove recovery and windshield washer fluid reservoir assembly.
- Remove two accoustic cover retaining screws in blower motor area.
- Cut acoustic cover between five clip lands, Fig. . Retain piece of acoustic cover for reassembly.
- Remove cooling tube from motor.
- Remove blower motor to case attaching screws.
- Remove blower motor from case.
- Reverse procedure install.
Rear
- Remove left quarter panel swing-out win...
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BRAKE SERVICE PROCEDURES FOR GMC AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC cars and light trucks from 1990+.
Drum Brakes -> Inspection -> Adjuster Mechanism -> Backing Plate -> Brake Drums -> Brake Linings & Springs -> General System -> Parking Brake Cable
Vehicle: 2007 GMC Sierra 1500 SLE 5.3 V8 FLEX
General System
- Inspect components for damage or unusual wear. Replace as required.
- Inspect backing plate mounting bolts and ensure they are tight.
- Inspect wheel cylinders. Excessive fluid indicates cup leakage and need for wheel cylinder replacement. Slight amount of fluid is always present and is considered normal, acting as lubricant for cylinder pistons.
- Inspect adjuster screw operation. If satisfactory, lightly lubricate adjusting screw and washer with suitable brake lube. If operation is unsatisfactory, replace.
- Clean rust and dirt from shoe contact surfaces on backing plate using fi...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Component Locations -> 1999-06 Silverado & Sierra
Vehicle: 2006 GMC Sierra 1500 WT 4.3 V6 GAS
Refer ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 1992 GMC G35/G3500 VAN Vandura 7.4 V8 GAS
Never clamp propeller shaft tubing in a vise. Clamping could dent or deform the tube causing an imbalance or unsafe condition. Always clamp on one of the yokes and support the shaft horizontally. Avoid damaging the slip yoke sealing surface. Nicks may damage the bushing or cut the lip seal.
Disassemble
- Support propeller shaft in a line horizontal with table of a press.
- Mark propeller shaft in order to show which end connects to transmission and which end goes to rear axle.
- On models equipped with external snap ring retainers, proceed as follows:
- Disassemble snap rings by ...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR GMC AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported GMC cars and light trucks sold in the U.S. from mid 1990's+.
Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic System Check -> Diagnostic Tests -> DTC C0569 System Configuration Error -> DTC C0750 Left Front Low Tire Pressure Sensor, C0755 Right Front Low Tire Pressure Sensor, C0760 Left Rear Low Tire Pressure Sensor Or C0765 Right Rear Low Tire Pressure Sensor -> DTC C0775 Low Tire Pressure System Sensors Not Learned -> Intermittent & Poor Connections -> Intermittents -> Low Tire Pressure Indicator Fault -> Poor Connections
Vehicle: 2009 GMC Savana 2500 6.6 V8 DIESEL
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to DLC (Data Link Connector) and follow manufacturer's instructions.
Diagnostic Tests
Low tire pressure in one or more tires is indicated by a continuously illuminated TPMS indicator after the bulb check is completed. The DIC will display a check tire pressure type message, if equipped. It is not necessary to perform the Relearn procedure for a low tire condition.
When a TPMS DTC is set, the TPMS indicator will flash for one minute after the bulb check is completed and then will remain illuminated. The DI...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC cars and light trucks from 1990+.
Starter, Replace
Vehicle: 2004 GMC Envoy XL 5.3 V8 GAS
Upon removal of starter, note if any shims are used. If shims are used, they should be installed in their original locations. After installation, if starter is noisy during cranking, remove one .015 inch double shim or add one .015 inch single shim to the outer bolt. If starter makes a high pitched whine after firing, add .015 inch double shims until noise ceases.
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove front steering gear crossmember rear mounting bolts.
- Remove rear steering gear crossmember mounting bolts, then rear steering gear crossmember from vehicl...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> General Motors Corp./Saturn -> 1999-2007 Silverado, Sierra, 2000-07 Denali, Suburban, Tahoe, Yukon, Yukon XL, 2001-07 Escalade & 2002-07 Avalanche
Vehicle: 2001 GMC Yukon 4.8 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the righthand instrument panel hush panel.
- Remove the A/C and heater modul...
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MAINTENANCE LAMP RESET PROCEDURES FOR GMC AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Engine Oil Level ->
Vehicle: 1997 GMC K3500 Pickup Sierra 5.7 V8 GAS
This system is used to indicate a low engine oil level condition. The lamp should light during engine starting. If oil level is sufficient, the lamp should go off when engine is operating. If oil level is low the...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC cars and light trucks from 1990+
Radiator, Replace
Vehicle: 1990 GMC K3500 Pickup Sierra XC 6.2 V8 DIESEL
- Drain cooling system into a suitable container.
- Remove upper fan shroud.
- Remove radiator hose inlet.
- Remove radiator hose outlet.
- Remove transmission oil cooler lines.
- Remove overflow hose.
- Remove ...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2007 GMC Savana 3500 4.8 V8 GAS
- Rotate tensioner clockwise to release belt tension using suitable wrench, then remove belt.
- Route belt over pulleys excep...
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COMPONENT LOCATION DIAGRAMS FOR GMC AUTOMOBILES
Component location diagrams for most GMC cars and light trucks sold in the U.S. from 1990+.
 Fog Lamp Diagram for 1991 GMC R2500 Suburban 7.4 V8 GASComponents on diagram: |
 Roof Rail Air Bags Diagram for 2007 GMC Sierra 1500 WT 4.8 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC AUTOMOBILES
OEM drawn wiring diagrams for most GMC cars and light trucks sold in the U.S.
 2003 GMC Sierra 1500 HD 6.0 V8 GAS Wiring DiagramComponents on diagram: |
 1995 GMC C3500 Pickup Sierra 5.7 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC AUTOMOBILES
OEM TSB listings for most GMC cars and light trucks sold in the U.S. from 1985+.
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Document: COMMUNICATION STRATEGY OF SERVICE INFORMATION / STRATEGY BASED DIAGNOSTICS - REVISED Vehicle: 1997 GMC Jimmy 4.3 V6 GAS Auto Systems: |
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Document: Information on Intermittent Battery Drain Diagnostic Tips and Recommendations Vehicle: 2007 GMC Sierra Denali Classic 6.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most GMC cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most GMC cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most GMC cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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Shop online for auto body parts, engines, wheels, lights...
 | 1996 GMC C1500 Helper Spring, Enough for 2 leaf springs; Includes mounting hardware; Bolts on to stock leaf springs; Provides up to 1,000 lbs. of level load capacity; Ensures a safer ride by giving you more stability through level load management; Eliminates rear end sagging; Easy to install; Best for lighter cargo; For heavier loads, we recommend the LP series; This product is not designed to be used for exceeding the manufacturer's maximum gross vehicle weight rating.. | $97.64 |
 | 1999 GMC K1500 Bumper, Front. | $172.99 |
 | 2009 GMC Acadia 20" X 7.5" Alloy Wheel, ALLOY WHEEL, 20 X 7.5, 6 STUDS/LUGS, 132MM BOLT DIA, 12 SPOKES, OE CHROME, , . | $299.45 |
 | 1993 GMC S15 Jimmy V6, 4.3 L, 262 CID Rebuilt Engine, CPI, balance shaft, roller cam, two temp/detonation senders in left head, Warranty: 7-Year/70,000 Mile, . | $1,400.00 |
 | 1979 GMC C1500 Suburban Used Starter, 4X4, Very Good. | $81.00 |
| 1995 GMC Safari Used Bumper Bar, Front, 3DR, Brown, Very Good. | $209.00 |
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