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2008 GMC Envoy CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 GMC Envoy 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 Envoy automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
Disc Brakes -> Delco Dual Piston Sliding Caliper -> Precautions -> Brake Disc Service -> Brake Lines & Linings -> Brake Roughness -> General
Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS
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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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
CV AXLE SHAFT, Replace
Vehicle: 2008 GMC Envoy SLT 4.2 L6 GAS
- Unlock steering column so that steering linkage is free to move.
- Raise the vehicle. Support vehicle with suitable safety stands.
- Remove front tire and wheel assemblies.
- In order to prevent drive axle from turning, insert a drift through brake caliper and into one of the rotor vanes.
- Remove axle nut and washer.
- Remove drift from brake rotor.
- Remove front brake rotors and support caliper with piece of wire in order to prevent damage to brake hose.
- Remove brackets from upper control arm holding both ABS wire and brake hose.
- Remove ABS bracket located on top of upper control arm ball...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
Relearn Procedures
Vehicle: 2008 GMC Envoy Denali 5.3 V8 GAS
- Apply the Parking brake, then place the ignition switch in the On position.
- Cycle the headlamp switch from Off to Parking Lamp position 4 times within 4 seconds.
- The horn should chirp twice and the low tire pressure warning indicator should begin to flash indicating the system is in the learn mode.
- If GM tool No. J-46079 or equivalent is available, starting with the left front tire, hold the antenna of the tool No. J-46079 near the valve stem on the wheel, then press the activate button and wait for the horn to chirp.
- If the tool is not available, starting with the left front tir...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
Alternator, Replace
Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS
- Disconnect battery ground cable.
- Remove drive belt, using a suitable tool.
- Remove air conditioning line mounting bracket bolt at engine lift hook.
- Remove right engine lift hook bolts, then lift hook.
- Remove alternator mounting bolts, then alternator from vehicle.
- Disconnect engine wiring harness electrical connector...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
General Motors Corp./Saturn Trucks -> Anti-Lock Brake System Warning Lamp ->
Vehicle: 2008 GMC Envoy SLT 4.2 L6 GAS
This lamp should light for approximately 6-8 seconds when the ignition is turned On as a bulb check. If the warn...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
Radiator, Replace
Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS
- Drain engine coolant into a suitable container.
- Raise and support vehicle, then remove retainers and radiator support shield.
- Remove and plug transmission cooler lines, then the outlet hose from radiator.
- Remove radiator baffle from vehicle.
- Remove retaining clips and front grille.
- Pull up on retaining tabs, then remove headlamp assembly from headlamp panel and disconnect electrical connectors.
- Remove ambient temperature sensor...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 GMC Envoy AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS
- Rotate or lift the belt tensioner arm, using a suitable tool to relieve tension from drive belt.
- Remove t...
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COMPONENT LOCATION DIAGRAMS FOR 2008 GMC Envoy AUTOMOBILES
Component location diagrams for most 2008 GMC Envoy cars and light trucks sold in the U.S. from 1990+.
 Driver Seat Switches Diagram for 2008 GMC Envoy Denali 5.3 V8 GASComponents on diagram: |
 Driver's Footwell Diagram for 2008 GMC Envoy SLE 4.2 L6 GASComponents on diagram: |
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WIRING DIAGRAMS FOR 2008 GMC Envoy AUTOMOBILES
OEM drawn wiring diagrams for most 2008 GMC Envoy cars and light trucks sold in the U.S.
 2008 GMC Envoy SLE 4.2 L6 GAS Wiring DiagramComponents on diagram: |
 2008 GMC Envoy Denali 5.3 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 GMC Envoy AUTOMOBILES
OEM TSB listings for most 2008 GMC Envoy cars and light trucks sold in the U.S. from 1985+.
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Document: Engine Rattle Noise after R And R of the Crankshaft Balancer -Inspect Bolt Torque Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS Symptoms: |
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 GMC Envoy SLE 4.2 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 GMC Envoy AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 GMC Envoy 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 2008 GMC Envoy 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 2008 GMC Envoy 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 2008 GMC Envoy 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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