Chevrolet Silverado / GMC Sierra. Manual - part 223
Engine Preluber
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.3L - Sierra & Silverado
2008 ENGINE
Engine Mechanical - 6.2L - H2
SPECIFICATIONS
FASTENER TIGHTENING SPECIFICATIONS
Application
Specification
Metric
English
Accessory Drive Belt Idler Pulley Bolt
50 N.m
37 lb ft
Accessory Drive Belt Tensioner Bolts
50 N.m
37 lb ft
Active Fuel Management Oil Pressure Relief Valve
27 N.m
20 lb ft
Air Conditioning Drive Belt Tensioner Bolts
50 N.m
37 lb ft
Automatic Transmission Flex Plate Bolts - First Pass
20 N.m
15 lb ft
Automatic Transmission Flex Plate Bolts - Second
Pass
50 N.m
37 lb ft
Automatic Transmission Flex Plate Bolts - Final
Pass
100 N.m
74 lb ft
Battery Cable Channel Bolt
12 N.m
106 lb in
Camshaft Position (CMP) Actuator Magnet Bolts
12 N.m
106 lb in
Camshaft Position (CMP) Actuator Solenoid Valve
- First Pass
65 N.m
48 lb ft
Camshaft Position (CMP) Actuator Solenoid Valve
- Final Pass
90 degrees
Camshaft Position (CMP) Sensor Bolt
12 N.m
106 lb in
Camshaft Position (CMP) Sensor Wire Harness Bolt
12 N.m
106 lb ft
Camshaft Retainer Bolts - Hex Head Bolts
25 N.m
18 lb ft
Camshaft Retainer Bolts - TORX Head Bolts
15 N.m
11 lb ft
Camshaft Sprocket Bolt - First Pass
75 N.m
55 lb ft
Camshaft Sprocket Bolt - Final Pass
50 degrees
Connecting Rod Bolts - First Pass
20 N.m
15 lb ft
Connecting Rod Bolts - Final Pass
85 degrees
Coolant Air Bleed Pipe and Cover Bolts
12 N.m
106 lb in
Coolant Temperature Sensor
20 N.m
15 lb ft
Crankshaft Balancer Bolt - Installation Pass - to
Ensure the Balancer is Completely Installed
330 N.m
240 lb ft
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Crankshaft Balancer Bolt - First Pass - Install a
NEW Bolt After the Installation Pass and Tighten as
Described in the First and Final Passes
50 N.m
37 lb ft
Crankshaft Balancer Bolt - Final Pass
140 degrees
Crankshaft Bearing Cap M8 Bolts
25 N.m
18 lb ft
Crankshaft Bearing Cap M10 Bolts - First Pass in
Sequence
20 N.m
15 lb ft
Crankshaft Bearing Cap M10 Bolts - Final Pass in
Sequence
80 degrees
Crankshaft Bearing Cap M10 Studs - First Pass in
Sequence
20 N.m
15 lb ft
Crankshaft Bearing Cap M10 Studs - Final Pass in
Sequence
51 degrees
Crankshaft Oil Deflector Nuts
25 N.m
18 lb ft
Crankshaft Position (CKP) Sensor Bolt
25 N.m
18 lb ft
Crankshaft Rear Oil Seal Housing Bolts
30 N.m
22 lb ft
Cylinder Head M8 Bolts - in Sequence
30 N.m
22 lb ft
Cylinder Head M11 Bolts - First Pass in Sequence
30 N.m
22 lb ft
Cylinder Head M11 Bolts - Second Pass in
Sequence
90 degrees
Cylinder Head M11 Bolts - Final Pass in Sequence
70 degrees
Cylinder Head Plug
20 N.m
15 lb ft
Engine Block Coolant Drain Hole Plug
60 N.m
44 lb ft
Engine Block Coolant Heater
50 N.m
37 lb ft
Engine Block Oil Gallery Plugs
60 N.m
44 lb ft
Exhaust Manifold Bolts - First Pass
15 N.m
11 lb ft
Exhaust Manifold Bolts - Final Pass
20 N.m
15 lb ft
Exhaust Manifold Heat Shield Bolts
9 N.m
80 lb in
Exhaust Manifold Studs
20 N.m
15 lb ft
Front Cover Bolts
25 N.m
18 lb ft
Fuel Injection Fuel Rail Bolts
10 N.m
89 lb in
Fuel Injection Fuel Rail Crossover Tube Bolts
3.8 N.m
34 lb in
Fuel Rail Stop Bracket Bolt
50 N.m
37 lb ft
Generator Bracket Bolts
50 N.m
37 lb ft
Ignition Coil Bracket-to-Valve Rocker Arm Cover
Studs
12 N.m
106 lb in
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2
Ignition Coil-to-Bracket Bolts
10 N.m
89 lb in
Intake Manifold Bolts - First Pass in Sequence
5 N.m
44 lb in
Intake Manifold Bolts - Final Pass in Sequence
10 N.m
89 lb in
Intake Manifold Sight Shield Retainer Bolts
5 N.m
44 lb in
J 41798 M8 Bolt
25 N.m
18 lb ft
J 41798 M10 Bolts
50 N.m
37 lb ft
Knock Sensor Bolts
25 N.m
18 lb ft
Oil Filter
30 N.m
22 lb ft
Oil Filter Fitting
55 N.m
40 lb ft
Oil Level Indicator Switch
20 N.m
15 lb ft
Oil Level Indicator Tube Bolt
25 N.m
18 lb ft
Oil Pan Baffle Bolts
9 N.m
80 lb in
Oil Pan Closeout Cover Bolt - Left Side
9 N.m
80 lb in
Oil Pan Closeout Cover Bolt - Right Side
9 N.m
80 lb in
Oil Pan Cover Bolts
9 N.m
80 lb in
Oil Pan Drain Plug
25 N.m
18 lb ft
Oil Pan M6 Bolts - Oil Pan-to-Rear Housing
12 N.m
106 lb in
Oil Pan M8 Bolts - Oil Pan-to-Engine Block and
Oil Pan-to-Front Cover
25 N.m
18 lb ft
Oil Pressure Sensor
35 N.m
26 lb ft
Oil Pump Cover Bolts
12 N.m
106 lb in
Oil Pump Relief Valve Plug
12 N.m
106 lb in
Oil Pump Screen Nuts
25 N.m
18 lb ft
Oil Pump Screen-to-Oil Pump Bolts
12 N.m
106 lb in
Oil Pump-to-Engine Block Bolts
25 N.m
18 lb ft
Power Steering Pump-to-Engine Block Bolts
50 N.m
37 lb ft
Spark Plugs
15 N.m
11 lb ft
Throttle Body Bolts
10 N.m
89 lb in
Throttle Body Nuts
10 N.m
89 lb in
Throttle Body Studs
6 N.m
53 lb in
Timing Chain Tensioner Bolts
25 N.m
18 lb ft
Valley Cover Bolts
25 N.m
18 lb ft
Valve Lifter Guide Bolts
12 N.m
106 lb in
Valve Rocker Arm Bolts
30 N.m
22 lb ft
Valve Rocker Arm Cover Bolts
12 N.m
106 lb in
2008 Hummer H2
2008 ENGINE Engine Mechanical - 6.2L - H2