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2009 Cadillac STS CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Cadillac REPAIR SHOPS DON'T WANT YOU TO KNOW
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- 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 2009 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 2009 Cadillac STS AUTOMOBILES
Hydraulic Brake Systems -> Description -> Brake Distribution Valve & Switch -> Brake Warning Lamp Switches -> Combination Valve -> Components -> Diagonally Split System -> Failure Warning Switch -> Fluid Level Sensor -> Front & Rear Split System -> Metering Valve -> Proportioning Or Pressure Control Valve -> Warning Lamp
Vehicle: 2009 Cadillac STS Platinum 4.6 V8 GAS
Front & Rear Split System
When the brake pedal is depressed, both the primary (front brake) and the secondary (rear brake) master cylinder pistons are moved simultaneously to exert hydraulic fluid pressure on their respective systems.
If the rear brake system fails, initial brake pedal movement will cause the unrestricted secondary piston to bottom in the master cylinder bore. Primary piston movement will displace hydraulic fluid in the primary section of the master cylinder to actuate the front brake system.
If the front brake system fails, initial brake pedal movement will cause the ...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR 2009 Cadillac STS AUTOMOBILES
DRIVESHAFT, Replace -> Front -> Rear (AWD) -> Rear (RWD)
Vehicle: 2009 Cadillac STS Platinum 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 2009 Cadillac STS AUTOMOBILES
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2009 Cadillac STS V 4.4 V8 GAS
Refer to Fig. for wir...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR 2009 Cadillac STS AUTOMOBILES
Alternator, Replace
Vehicle: 2009 Cadillac STS 4.6 V8 GAS
- Disconnect battery ground cable from battery.
- Remove accessory drive belt.
- Raise and support vehicle.
- Disconnect electrical connector from alternator.
- Reposition protective boot from alternator output BAT terminal for access.
- Remove alternator output BAT terminal nut and disconnect batte...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR 2009 Cadillac STS AUTOMOBILES
Cabin Air Filter Service -> General Motors Corp./Saturn -> 2005-09 STS
Vehicle: 2009 Cadillac STS 3.6 V6 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 2009 Cadillac STS AUTOMOBILES
General Motors Corp./Saturn Cars -> Check Fuel Cap Lamp ->
Vehicle: 2009 Cadillac STS Platinum 4.6 V8 GAS
The Check Fuel Cap Lamp will illuminate momentarily when the ignition switch is placed in the on position as a bulb check. If...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR 2009 Cadillac STS AUTOMOBILES
Coolant Hose, Replace -> Lower -> Upper
Vehicle: 2009 Cadillac STS 4.6 V8 GAS
Lower
- Drain coolant into a suitable container.
- Loosen hose clamp connecting hose to radiator.
- Loosen hose clamp connecting hose to engine.
- Remove hose from vehicle.
- Reverse procedure ...
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SERPENTINE BELT SERVICE PROCEDURES FOR 2009 Cadillac STS AUTOMOBILES
Serpentine Drive Belt, Replace -> Alternator -> Water Pump, Air Conditioning Compressor and Power Steering Pump
Vehicle: 2009 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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TECHNICAL SERVICE BULLETINS FOR 2009 Cadillac STS AUTOMOBILES
OEM TSB listings for most 2009 Cadillac STS cars and light trucks sold in the U.S. from 1985+.
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Document: BluetoothA® Option Availability Vehicle: 2009 Cadillac STS 4.6 V8 GAS Auto Systems: |
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Document: Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE Vehicle: 2009 Cadillac STS 4.6 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR 2009 Cadillac STS AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most 2009 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 2009 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 2009 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 2009 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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