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2009 GMC Envoy CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Technical Service Bulletins
- Specifications
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service

DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
DRIVESHAFT, Replace
Vehicle: 2009 GMC Envoy Denali 5.3 V8 GAS
- Raise and support vehicle.
- Place reference marks on propeller shaft and rear axle pinion yoke for installation reference.
- On models equipped with 2WD, place reference marks on propeller shaft and transmission yoke for installation reference.
- On models equipped with 4WD, place reference mark...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
Reset Procedures
Vehicle: 2009 GMC Envoy SLT 4.2 L6 GAS
The Low Tire Pressure warning lamp and/or the DIC (Driver Information Center) Low Tire Pressure message can be cl...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
Alternator, Replace
Vehicle: 2009 GMC Envoy SLE 4.2 L6 GAS
- Disconnect battery ground cable.
- Remove drive belt.
- Remove A/C line mounting bracket bolt at engine lift hook.
- Remove right engine lift hook bolts and remove lift hook.
- Remove three alternator mounting bolts and remove alternator.
- Disconnect battery positive cable nut on alternator.
- Re...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
General Motors Corp./Saturn Trucks -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2008-09 Envoy -> Relearn -> Reset
Vehicle: 2009 GMC Envoy Denali 5.3 V8 GAS
Reset
The Low Tire Pressure warning lamp and/or the DIC (Driver Information Center) Low Tire Pressure message can be cleared by adjusting the tires to the recommended pressure and driving the vehicle at a speed above 25 mph for more that 2 minutes.
Relearn
- 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...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2009 GMC Envoy SLT 4.2 L6 GAS
Lower
- Drain cooling system into a suitable container.
- Reposition hose clamp at radiator outlet and remove hose.
- Reposition hose clamp at engine and remove hose.
- Remove hose from vehicle.
- Reverse procedure to install.
Upper
- Drain cooling system into a suitable container.
- Remove ai...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2009 GMC Envoy AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2009 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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TECHNICAL SERVICE BULLETINS FOR 2009 GMC Envoy AUTOMOBILES
OEM TSB listings for most 2009 GMC Envoy cars and light trucks sold in the U.S. from 1985+.
Document: Engine Rattle Noise after R And R of the Crankshaft Balancer -Inspect Bolt Torque Vehicle: 2009 GMC Envoy SLE 4.2 L6 GAS Symptoms: |
Document: BluetoothA® Option Availability Vehicle: 2009 GMC Envoy SLE 4.2 L6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2009 GMC Envoy AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2009 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 2009 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 2009 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 2009 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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