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2008 GMC Savana 1500 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT GMC REPAIR SHOPS DON'T WANT YOU TO KNOW
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- Component Locations
- Wiring Diagrams
- Technical Service Bulletins
- Specifications
- Brake Service
- Driveline, U-Joint & CV Axles Replacement
- Tire Pressure Monitoring System
- Starter & Alternator Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
BRAKE SERVICE PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
Power Brake Units -> Delco Brake Booster -> General Service
Vehicle: 2008 GMC Savana 1500 5.3 V8 FLEX
Certain general service procedures apply, regardless of whether the brakes are vacuum or hydraulically assisted. Only top quality, clean brake fluid should be used. More seals and valves are used with power brake systems than with ordinary brakes, so an inferior brake fluid will do much more damage. For the same reason, ensure all dirt is kept out of the system. Additionally, on models with hydraulic assist brakes, care must be taken not to mix the fluids of the booster hydraulic system and brake hydraulic system as the fluids are not compatible.
If the power unit fails, the brak...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
DRIVESHAFT, Replace -> Front -> One Piece Driveshaft -> Rear -> Two Piece Driveshaft
Vehicle: 2008 GMC Savana 1500 4.3 V6 GAS
Front
- Raise and support vehicle.
- Mark the front U-joint to the pinion yoke on the front differential.
- Mark the relationship of the rear U-joint to the transfer case drive flange.
- Remove the retaining nuts and bolts from the drive flange.
- Remove the clamps and retaining bolts from the front drive axle pinion flange.
- Remove the front propeller shaft from the vehicle.
- Using tape and or a rubber band, wrap the front U-joint bearing caps to ensure the caps do not separate from the U-joint.
- Reverse procedure to install, noting the following:
- Torque front propeller shaft retainer bolts 18 f...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
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: 2008 GMC Savana 1500 4.3 V6 GAS
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 2008 GMC Savana 1500 AUTOMOBILES
Starter, Replace
Vehicle: 2008 GMC Savana 1500 LS 5.3 V8 FLEX
- Disconnect battery ground cable.
- Raise and support vehicle.
- Remove right transmission cover bolt, if required.
- Disconnect engine wiring harness electrical connector from oil level sensor.
- Remove starter motor mounting bolts.
- Slide starter forward until it clears transmission.
- Remove attaching nut and starter solenoid S-terminal lead from soleno...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
General Motors Corp./Saturn Trucks -> Low Coolant Lamp ->
Vehicle: 2008 GMC Savana 1500 4.3 V6 GAS
This lamp should light when engine coolant level in the radiator drops below a predetermined le...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
Radiator, Replace
Vehicle: 2008 GMC Savana 1500 4.3 V6 GAS
- Disconnect Mass Air Flow (MAF) harness connector and remove air cleaner hold down screw.
- Loosen outlet duct hose clamp and remove air cleaner.
- Partially drain coolant into suitable container.
- Disconnect coolant recovery reservoir hose.
- Remove mounting screws and coolant recovery r...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 GMC Savana 1500 AUTOMOBILES
Serpentine Drive Belt, Replace
Vehicle: 2008 GMC Savana 1500 LS 5.3 V8 FLEX
- 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 2008 GMC Savana 1500 AUTOMOBILES
Component location diagrams for most 2008 GMC Savana 1500 cars and light trucks sold in the U.S. from 1990+.
Body Components Diagram for 2008 GMC Savana 1500 4.3 V6 GAS Components on diagram: |
Body Harness Diagram for 2008 GMC Savana 1500 LT 5.3 V8 FLEX Components on diagram: |
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WIRING DIAGRAMS FOR 2008 GMC Savana 1500 AUTOMOBILES
OEM drawn wiring diagrams for most 2008 GMC Savana 1500 cars and light trucks sold in the U.S.
2008 GMC Savana 1500 LT 5.3 V8 FLEX Wiring Diagram Components on diagram: |
2008 GMC Savana 1500 5.3 V8 FLEX Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 GMC Savana 1500 AUTOMOBILES
OEM TSB listings for most 2008 GMC Savana 1500 cars and light trucks sold in the U.S. from 1985+.
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2008 GMC Savana 1500 4.3 V6 GAS Auto Systems: |
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 GMC Savana 1500 4.3 V6 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 GMC Savana 1500 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 GMC Savana 1500 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 Savana 1500 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 Savana 1500 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 Savana 1500 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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