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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
Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about 2008 Cadillac STS car and truck
repair procedures including Cadillac 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 Cadillac STS automobile. Try the Automotix DIY solution today!
BRAKE SERVICE PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Anti-Lock Brakes -> TRW 440 -> Diagnosis & Testing -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> EBCM Connector Pin Identification -> Intermittent Fault Conditions
Vehicle: 2008 Cadillac STS Platinum 4.6 V8 GAS
Accessing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to the Data Link Connector (DLC), and follow manufacturer's instructions.
Diagnostic Trouble Code Interpretation
Refer to the "Diagnostic Tests" for DTC identification and description.
EBCM Connector Pin Identification
Refer to Figs. through for EBCM connector pin identification.
Diagnostic Tests
[[table data]]Clearing Diagnostic Trouble Codes
Connect a suitably programmed scan tool to Data Link Connector (DLC), and follow manufacturer's instruction.
Intermittent Fault Conditions
Intermittent faults are a common source of mi...
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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 Platinum 3.6 V6 GAS
Front
- Raise and support vehicle.
- Remove propeller shaft heat shield.
- Remove propeller shaft CV joint-to-differential flange bolts. Reference mark location of propeller shaft constant velocity (CV) joint to transfer case flange.
- Install a flat-bladed tool into notch on differential flange.
- Using a flat-bladed tool, carefully move propeller shaft toward rear of vehicle in order to release propeller shaft CV joint from differential pinion flange.
- Remove propeller shaft CV joint-to-transfer case flange bolts.
- Install a flat-bladed tool into notch on transfer case flange.
- Using a flat-bl...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Component Locations
Vehicle: 2008 Cadillac STS V 4.4 V8 GAS
Refer to F...
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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 V 4.4 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 -> Active Handling System Warning Lamp ->
Vehicle: 2008 Cadillac STS 4.6 V8 GAS
This lamp should light for a approximately 6-8 seconds when the ignition is turned on as a bulb check. The lamp will also come on as the system is...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2008 Cadillac STS AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2008 Cadillac STS V 4.4 V8 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 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+.
 Instrument Panel and Console Diagram for 2008 Cadillac STS Platinum 3.6 V6 GASComponents on diagram: |
 Rear Body Components Diagram for 2008 Cadillac STS Platinum 3.6 V6 GASComponents 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 4.6 V8 GAS Wiring DiagramComponents on diagram: |
 2008 Cadillac STS Platinum 3.6 V6 GAS Wiring DiagramComponents 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+.
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Document: Revised General Motors New Vehicle Tire Warranty Program Vehicle: 2008 Cadillac STS 4.6 V8 GAS Auto Systems: |
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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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