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2008 Cadillac STS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac 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
- Cabin Air Filter Locations & Replacement
- Maintenance Lamp Reset
- Radiator & Hose Replacement
- Serpentine Belt Service
BRAKE SERVICE PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Disc Brakes -> AC-Delco Dual Piston Front Disc Brake -> Brake Pad Service
Vehicle: 2008 Cadillac STS Platinum 4.6 V8 GAS
- Drain master cylinder fluid level to 1/3 full.
- Raise and support vehicle, then remove front tire and wheel assemblies.
- Mark wheel to hub and bearing relationship for installation alignment.
- Push pistons back together into caliper bores using suitable C-clamp and block of wood.
- Do not disconnect brake line fitting from caliper.
- Remove two mounting bolts and caliper, then suspend caliper from chassis. Do not allow caliper to ha...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear (AWD) -> Rear (RWD)
Vehicle: 2008 Cadillac STS 4.6 V8 GAS
Front
- Raise and support vehicle.
- Remove the propeller shaft heat shield.
- Remove the propeller shaft CV joint-to-differential flange bolts. Reference mark the location of the propeller shaft constant velocity (CV) joint to the transfer case flange.
- Install a flat-bladed tool into the notch on the differential flange.
- Using a flat-bladed tool, carefully move the propeller shaft toward the rear of the vehicle in order to release the propeller shaft CV joint from the differential pinion flange.
- Remove the propeller shaft CV joint-to-transfer case flange bolts.
- Install a flat-bladed too...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Cadillac STS 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 Cadillac STS V 4.4 V8 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 Cadillac STS AUTOMOBILES
Starter, Replace
Vehicle: 2008 Cadillac STS 4.6 V8 GAS
- Disconnect battery ground cable.
- Remove intake manifold assembly.
- Disconnect starter S terminal wire and battery cable.
- Remove mounting bolts and starter.
- Remove solenoid and battery...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2005-09 STS
Vehicle: 2008 Cadillac STS 4.6 V8 GAS
On 2005-07 models, 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.
On 2008-09 models, under normal operating conditions the cabin air filter should be replaced every 25,000 miles. In dusty areas change the cabin air fi...
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MAINTENANCE LAMP RESET PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
General Motors Corp./Saturn Cars -> Traction Control System (TCS) Warning Lamp ->
Vehicle: 2008 Cadillac STS 3.6 V6 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. If the warni...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Cadillac STS Platinum 3.6 V6 GAS
Lower
- Drain cooling system into a suitable container.
- Remove radiator inlet hose.
- Reposition hose clamp from thermostat housing using hose clamp pliers J 38185 or equivalent.
- Remove radiator outlet hose from thermostat housing.
- Disconnect radiator outlet hose from engine support bracket.
- Remove air cleaner intake duct.
- Reposition hose clamp from radiator using hose clamp pliers J 38185 or equivalent.
- Remove radiator outl...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Serpentine Drive Belt, Replace -> Alternator -> Water Pump, Air Conditioning Compressor and Power Steering Pump
Vehicle: 2008 Cadillac STS Platinum 4.6 V8 GAS
Water Pump, Air Conditioning Compressor and Power Steering Pump
- Remove fuel injector sight shield.
- Remove air cleaner outlet duct.
- On models with crankshaft driven cooling fan, remove cooling fan bracket.
- On all models, rotate drive belt tensioner clockwise to release drive belt tension.
- Slide drive belt from water pump pulley.
- Slide drive belt out from behind drive belt tensioner. Access belt from side of tensioner pulley in location of lower res...
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COMPONENT LOCATION DIAGRAMS FOR 2008 Cadillac STS AUTOMOBILES
Component location diagrams for most 2008 Cadillac STS cars and light trucks sold in the U.S. from 1990+.
Seat Components Diagram for 2008 Cadillac STS 3.6 V6 GAS Components on diagram: |
Steering Column Diagram for 2008 Cadillac STS Platinum 3.6 V6 GAS Components on diagram: |
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WIRING DIAGRAMS FOR 2008 Cadillac STS AUTOMOBILES
OEM drawn wiring diagrams for most 2008 Cadillac STS cars and light trucks sold in the U.S.
2008 Cadillac STS 3.6 V6 GAS Wiring Diagram Components on diagram: |
2008 Cadillac STS 3.6 V6 GAS Wiring Diagram Components on diagram: |
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TECHNICAL SERVICE BULLETINS FOR 2008 Cadillac STS AUTOMOBILES
OEM TSB listings for most 2008 Cadillac STS cars and light trucks sold in the U.S. from 1985+.
Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 Cadillac STS 4.6 V8 GAS Auto Systems: |
Document: GM of Canada New Vehicle Limited Warranty Tire Program Vehicle: 2008 Cadillac STS 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2008 Cadillac STS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2008 Cadillac STS 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 Cadillac STS 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 Cadillac STS 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 Cadillac STS 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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