Fastener Tightening Specifications. Cadillac STS 2008

For 1990-2009 cars only

Makes 🢒 Cadillac 🢒 2008 🢒 STS 🢒 Preface 🢒 Cautions and Notices 🢒 Fastener Tightening Specifications

Application	Specification
Application	Metric	English
A/C Compressor Bolt	50 N·m	37 lb ft
A/C Compressor and Power Steering Bracket Bolt	50 N·m	37 lb ft
A/C Drive Belt Tensioner Bolt	25 N·m	18 lb ft
Block Coolant Drain Hole Plug	20 N·m	15 lb ft
Camshaft Bearing Cap Bolt	12 N·m	106 lb in
Camshaft Cover Bolt	10 N·m	89 lb in
Camshaft Cover Ground Strap	25 N·m	18 lb ft
Camshaft Cover Bolt	10 N·m	89 lb in
Cylinder Head Bolt	25 N·m	18 lb ft
Camshaft Intermediate Drive Shaft
Bolt	15 N·m	11 lb ft
Sprocket Bolt	60 N·m	44 lb ft
Camshaft Position Actuator Bolt	120 N·m	89 lb ft
Camshaft Position Actuator Housing Bolt	10 N·m	89 lb in
Camshaft Position Actuator Magnet Bolt	8 N·m	71 lb in
Camshaft Position Sensor Bolt	10 N·m	89 lb in
Connecting Rod Bolt
First Pass	30 N·m	22 lb ft
Second Pass	Back off to zero
Third Pass	25 N·m	18 lb ft
Final Pass	100 degrees
Crankshaft Balancer Bolt
First Pass	50 N·m	37 lb ft
Final Pass	150 degrees
Crankshaft Position Sensor and Knock Sensor Wiring Harness Bracket Bolt	10 N·m	89 lb in
Crankshaft Position Sensor Bolt	10 N·m	89 lb in
Cylinder Head Bolt
M11
First Pass - In Sequence	30 N·m	22 lb ft
Second Pass - In Sequence	60 degrees
Third Pass - In Sequence	60 degrees
Final Pass - In Sequence	60 degrees, total 180 degrees
M6	12 N·m	106 lb in
Cylinder Head Core Hole Threaded Plug	80 N·m	60 lb ft
Cylinder Head Oil Gallery Threaded Plug	60 N·m	44 lb ft
Drive Belt
Idler Bolt	50 N·m	37 lb ft
Idler Nut	50 N·m	37 lb ft
Tensioner Bolt	50 N·m	37 lb ft
ECT Sensor	20 N·m	15 lb ft
Engine Flywheel Bolt
First Pass	30 N·m	22 lb ft
Final Pass	50 degrees
Engine Front Cover Bolt	15 N·m	11 lb ft
Engine Mount Bracket Bolt	60 N·m	44 lb ft
Engine Mount Nut	80 N·m	59 lb ft
Engine Wiring Harness
Front Clip Nut to Left Side Engine Mount Bracket Stud	35 N·m	26 lb ft
Rear Clip Bolt to Left Side of Block	30 N·m	22 lb ft
Bolt to Right Side of Block	35 N·m	26 lb ft
Left Side Ground Bolt	12 N·m	106 lb in
Right Side Ground to Intake Manifold Nut	8 N·m	71 lb in
EVAP Emission Canister Purge Valve Bolt	10 N·m	89 lb in
Exhaust Manifold
Bolt	25 N·m	18 lb ft
Nut	25 N·m	18 lb ft
Pipe Hanger Bolt	50 N·m	37 lb ft
Exhaust Manifold Heat Shield Bolt	10 N·m	89 lb in
Exhaust Manifold Stud	6 N·m	53 lb in
Fuel Rail Bolt	10 N·m	89 lb in
Generator Bolt	50 N·m	37 lb ft
Generator Rear Brace Bolt	50 N·m	37 lb ft
Generator Stud	12 N·m	106 lb in
Ignition Coil Assembly Bolt	10 N·m	89 lb in
Intake Manifold
Mounting Bolt	10 N·m	89 lb in
Brake Booster Hose Fitting	2 N·m	18 lb in
Knock Sensor Bolt	25 N·m	18 lb ft
Lower Crankcase
Bearing Bolt
M10 x 1.5 First Pass - In Sequence	20 N·m	15 lb ft
M10 x 1.5 Final Pass - In Sequence	65 degrees
Perimeter Bolt
M8 x 1.25 - In Sequence	30 N·m	22 lb ft
Oil Filter	30 N·m	22 lb ft
Oil Filter Adapter
Oil Filter Bypass Hole Plug	30 N·m	22 lb ft
Oil Filter Fitting	29 N·m	21 lb ft
Mounting Bolt	25 N·m	18 lb ft
Oil Level Indicator Tube Bolt	50 N·m	37 lb ft
Oil Level Sensor	20 N·m	15 lb ft
Oil Manifold Plate Bolt	10 N·m	89 lb in
Oil Outlet Tube Bolt	10 N·m	89 lb in
Oil Pan Bolt
First Pass	15 N·m	11 lb ft
Final Pass	25 N·m	18 lb ft
Oil Pan Baffle Bolt	12 N·m	106 lb in
Oil Pan Drain Plug	25 N·m	18 lb ft
Oil Pressure Switch	20 N·m	15 lb ft
Oil Pump
Cover Bolt	12 N·m	106 lb in
Mounting Bolt
First Pass	10 N·m	89 lb in
Final Pass	35 degrees
Oil Suction Tube
Bolt	10 N·m	89 lb in
Nut	24 N·m	18 lb ft
Oxygen Sensor	42 N·m	31 lb ft
Plenum Duct Clamp	2.25 N·m	20 lb in
Power Steering Pump Bolt	25 N·m	18 lb ft
Power Steering Pump Reservoir Bracket Nut	10 N·m	89 lb in
Primary Camshaft Drive Chain
Guide Bolt	25 N·m	18 lb ft
Tensioner Bolt	25 N·m	18 lb ft
Secondary Camshaft Drive Chain
Guide Bolt	25 N·m	18 lb ft
Shoe Bolt	25 N·m	18 lb ft
Tensioner Bolt	25 N·m	18 lb ft
Sight Shield
Bracket Nut	10 N·m	89 lb in
Retainer	7 N·m	62 lb in
Spark Plug	15 N·m	11 lb ft
Starter Motor Bolt	30 N·m	22 lb ft
Starter Motor Wiring Harness
Generator Nut	20 N·m	15 lb ft
Starter Nut - Large	10 N·m	89 lb in
Starter Nut - Small	4 N·m	35 lb in
Thermostat Housing Bolt	10 N·m	89 lb in
Throttle Body Bolt	10 N·m	89 lb in
Water Outlet Housing Bolt	25 N·m	18 lb ft
Water Pump Bolt	10 N·m	89 lb in
Water Pump Pulley Bolt	10 N·m	89 lb in