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GMC Sierra Denali 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 Sierra Denali 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 Sierra Denali automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR GMC Sierra Denali 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 Sierra Denali cars and light trucks from 1990+
Component Replacement & Adjustment -> Sierra & Silverado -> Expansion Tube (Orifice), Replace
Vehicle: 2003 GMC Sierra Denali 6.0 V8 GAS
- Recover refrigerant as outlined in .
- Loosen evaporator tube fitting nut.
- Remove orifice tube using orifi...
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BRAKE SERVICE PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported GMC Sierra Denali cars and light trucks from 1990+.
Disc Brakes -> Delco Dual 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: 2007 GMC Sierra Denali Classic 6.0 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 ...
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FUEL FILTER REPLACEMENT PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported GMC Sierra Denali cars and light trucks sold in the U.S. for 1980+.
General Motors Corp./Saturn Light Trucks, SUVs & Vans -> Fuel Filter Scheduled Maintenance -> 1996-03 C/K, G & R/V Series w/Gasoline Engine -> Heavy Duty Emissions -> Light Duty Emissions -> Normal Service -> Severe Service
Vehicle: 2003 GMC Sierra Denali 6.0 V8 GAS
Light Duty Emissions
Normal Service
Replace every 30,000 miles
Severe Service
Rep...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported GMC Sierra Denali cars and light trucks from 1990+.
DRIVESHAFT U-JOINT, Replace -> Assemble -> Disassemble
Vehicle: 2007 GMC Sierra Denali Classic 6.0 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 Sierra Denali 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 Sierra Denali cars and light trucks sold in the U.S. from mid 1990's+.
Component Replacement -> Installation -> Removal -> Tire Pressure Indicator Sensor (Clamp Style) -> Tire Pressure Indicator Sensor (Snap In Style)
Vehicle: 2006 GMC Sierra Denali 6.0 V8 GAS
Tire Pressure Indicator Sensor (Clamp Style)
Each tire pressure sensor has an internal power supply which has a service life of 10 years.
Removal
- Loosen the lug nuts.
- Raise and support vehicle with jack stands, then remove the wheel and tire assembly.
- Prior to dismounting the tire from the wheel, note the following precautions:
- Position the bead breaking fixture 90° from the valve stem when separating the tire bead from the wheel.
- Place the mounting and dismounting head so that the tire iron or pry bar can be inserted slightly clockwise of the sensor body when prying the tire bea...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported GMC Sierra Denali cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 2004 GMC Sierra Denali 6.0 V8 GAS
- Disconnect battery ground cable.
- Remove air inlet duct, if required.
- Disconnect terminal plug and battery lead connections from back of alternator.
- Remove upper fan shroud mounting bolts and fan shroud.
- Remove accessory drive belt using suitable 3/8 i...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported GMC Sierra Denali 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: 2002 GMC Sierra Denali 6.0 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 Sierra Denali AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported GMC Sierra Denali cars and light trucks sold in the U.S. from 1990+.
General Motors Corp./Saturn Trucks -> Check Engine/Service Engine Soon Indicator Lamp -> Electronic Engine Controls Or Electronic Fuel Injection Except Tracker
Vehicle: 2002 GMC Sierra Denali 6.0 V8 GAS
The Check Engine/Service Engine Soon Lamp should light when the ignition is turned On. When the engine is started, the lamp should go off. If the lamp remains on for 10 seconds or constantly after the engine is started, the self diagnosis system has detected a problem and has stored a code in the system Electronic Control Module (ECM) or Powertrain Control Module (PCM). After diagnosis and repair, the ECM/PCM memory can be cleared of codes either by using a scan tool (OBD II systems) or by disconnecting the battery ground ca...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported GMC Sierra Denali cars and light trucks from 1990+
Radiator, Replace
Vehicle: 2004 GMC Sierra Denali 6.0 V8 GAS
- Drain radiator coolant into suitable container.
- Remove upper and lower radiator hoses.
- Remove mounting bolts and lower fan shroud.
- Remove engine vent hose and surge take hose.
- Disconnect engine oi...
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SERPENTINE BELT SERVICE PROCEDURES FOR GMC Sierra Denali AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported GMC Sierra Denali cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 2008 GMC Sierra Denali 6.2 V8 GAS
- Remove air cleaner outlet duct.
- Rotate tensioner clockwise to release belt tension using breaker bar with hex-head socket, then remove drive belt.
- If replacing A/C drive belt, rotate tensioner clockwise to release belt tension using breaker bar or ratchet, then remove belt.
- Clean and inspect belt su...
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COMPONENT LOCATION DIAGRAMS FOR GMC Sierra Denali AUTOMOBILES
Component location diagrams for most GMC Sierra Denali cars and light trucks sold in the U.S. from 1990+.
 Accesory Power Outlets Diagram for 2002 GMC Sierra Denali 6.0 V8 GASComponents on diagram: |
 Body Harness Diagram for 2006 GMC Sierra Denali 6.0 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR GMC Sierra Denali AUTOMOBILES
OEM drawn wiring diagrams for most GMC Sierra Denali cars and light trucks sold in the U.S.
 2004 GMC Sierra Denali 6.0 V8 GAS Wiring DiagramComponents on diagram: |
 2008 GMC Sierra Denali 6.2 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR GMC Sierra Denali AUTOMOBILES
OEM TSB listings for most GMC Sierra Denali cars and light trucks sold in the U.S. from 1985+.
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Document: POWERTRAIN QUALITY CENTER FOR ENGINE AND TRANSMISSION ASSEMBLY AND TRANSFER CASE REPLACEMENT - REVISED Vehicle: 2002 GMC Sierra Denali 6.0 V8 GAS Auto Systems: |
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Document: TRANSMISSION OIL LEAKING FROM TRANSMISSION VENT - 4T65-E - REVISED Vehicle: 2002 GMC Sierra Denali 6.0 V8 GAS Symptoms: |
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COMPONENT/PARTS SPECIFICATIONS FOR GMC Sierra Denali AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most GMC Sierra Denali 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 Sierra Denali 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 Sierra Denali 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 Sierra Denali 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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