LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2009 >> STS V >> Repair and Diagnosis >> Quick Lookups >> Common Specs & Procedures >> Specifications Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Specifications Index

STS SPECIFICATIONS INDEX

System Specification/Procedure
Air Conditioning
Service REFRIGERANT SYSTEM CAPACITIES
Torque FASTENER TIGHTENING SPECIFICATIONS
Axle Nut/Hub Nut
Front 159 ft. lbs. (215 N.m)
Rear 170 ft. lbs. (230 N.m)
Battery BATTERY USAGE
Brakes
Bleeding Sequence RR-LF-LR-RF
See HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL)
Disc Brakes
Service Specifications DISC BRAKE COMPONENT SPECIFICATIONS (JE5, JL9)
DISC BRAKE COMPONENT SPECIFICATIONS (J56)
Torque FASTENER TIGHTENING SPECIFICATIONS
Charging
Generator GENERATOR USAGE
Torque FASTENER TIGHTENING SPECIFICATIONS
Drive Belts
Adjustment Serpentine drive belts are not adjustable
Drive Belt Routing
3.6L See WATER PUMP AND GENERATOR BELT REPLACEMENT
AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT
4.4L See GENERATOR DRIVE BELT REPLACEMENT
WATER PUMP AND AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT
SUPERCHARGER BELT REPLACEMENT
4.6L See GENERATOR DRIVE BELT REPLACEMENT
WATER PUMP AND AIR CONDITIONING COMPRESSOR AND POWER STEERING PUMP BELT REPLACEMENT
Engine Cooling
General Service Specifications NA
Radiator Cap Pressure Specification is stamped on pressure cap
Thermostat R & I
3.6L ENGINE COOLANT THERMOSTAT REPLACEMENT (LY7)
4.4L ENGINE COOLANT THERMOSTAT REPLACEMENT (LC3)
4.6L ENGINE COOLANT THERMOSTAT REPLACEMENT (LH2)
Water Pump R & I
3.6L WATER PUMP REPLACEMENT (V6)
AUXILIARY WATER PUMP REPLACEMENT (LLT)
4.4L WATER PUMP REPLACEMENT (LC3)
4.6L WATER PUMP REPLACEMENT (LH2)AUXILIARY WATER PUMP REPLACEMENT (4.6L (LH2) W/RPOS V03/V92)
Engine Mechanical
3.6L
Compression No cylinder reading should be less than 965 kPa (140 psi)
The lowest reading should not be less than 70 percent of the highest reading
See ENGINE COMPRESSION TEST
Oil Pressure Minimum @ Idle 10 psi (69 kPa)
Minimum @ 2,000 RPM 20 psi (138 kPa)
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
4.4L
Compression No cylinder reading should be less than 965 kPa (140 psi)
The lowest reading should not be less than 70 percent of the highest reading
See ENGINE COMPRESSION TEST
Oil pressure Minimum @ Idle 5 psi (35 kPa)
Minimum @ 2,000 RPM 35 psi (250 kPa)
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
4.6L
Compression No cylinder reading should be less than 965 kPa (140 psi)
The lowest reading should not be less than 70 percent of the highest reading
See ENGINE COMPRESSION TEST
Oil pressure Minimum @ Idle 5 psi (35 kPa)
Minimum @ 2,000 RPM 35 psi (250 kPa)
Overhaul ENGINE MECHANICAL SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Fluid Specifications See FLUIDS under MAINTENANCE tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive PlateTorque
3.6L First Pass 22 ft. lbs. (30 N.m)
Final Pass Plus An Additional 45 Degrees
4.4L & 4.6L First Pass 22 ft. lbs. (30 N.m)
Final Pass Plus An Additional 50 Degrees
Fuel System
Pressure Specification 3.6L 55-60 psi (380-410 kPa)
4.4L & 4.6L 55-62 psi (384-425 kPa)
Fuel Pressure Test Procedure 3.6L See FUEL SYSTEM DIAGNOSIS
4.4L See FUEL SYSTEM DIAGNOSIS
4.6L See FUEL SYSTEM DIAGNOSIS
Fuel Filter Location 3.6L fuel filter is located on the fuel feed pipe, between the fuel pump and the fuel rail
4.4L fuel filter is contained in the fuel sender assembly inside the fuel tank
4.6L fuel filter is contained in the fuel sender assembly inside the fuel tank
Fuel Filter R & I 3.6L See FUEL FILTER REPLACEMENT
4.4L See PRIMARY FUEL TANK MODULE REPLACEMENT
4.6L See PRIMARY FUEL TANK MODULE REPLACEMENT
Ignition
Firing Order & Cylinder Identification
All Engines FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) 3.6L Coil On Plug
4.4L Coil On Plug
4.6L Coil On Plug
Ignition Wires (Routing)
3.6L Coil On Plug
4.4L Coil On Plug
4.6L Coil On Plug
Spark Plug
3.6L (Type AC 41-990)
Gap 0.044 in (1.10 mm)
Torque 15 ft. lbs. (20 N.m)
4.4L (Type GM 12592619)
Gap 0.040 in (1.02 mm)
Torque 11 ft. lbs. (15 N.m)
4.6L (Type GM 12571535)
Gap 0.050 in (1.27 mm)
Torque 1 ft. lbs. (15 N.m)
Starting
Starter NA
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel Alignment
Adjustment Specifications WHEEL ALIGNMENT SPECIFICATIONS
Torque FASTENER TIGHTENING SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque 100