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Chevrolet Silverado / GMC Sierra. Service manual - part 1856
Ensure the Balancer is Completely Installed
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
Crossbar Bolts/Nuts - 1500 Series
100 N.m
74 lb ft
Crossbar Bolts/Nuts - 2500 Series
120 N.m
89 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
Differential Carrier-to-Crossbar Nuts
100 N.m
74 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
Engine Harness Ground Strap Bolt/Stud
16 N.m
12 lb ft
Engine Harness-to-Generator Bracket Bolt
9 N.m
80 lb in
Engine Harness Retainer-to-Intake Manifold Nut
5 N.m
44 lb in
Engine Mount Bracket Through Bolt
100 N.m
74 lb ft
Engine Mount-to-Engine Block Bolts
50 N.m
37 lb ft
Engine Mount-to-Frame Bolts
65 N.m
48 lb ft
Engine Shield-to-Crossbar Bolts
20 N.m
15 lb ft
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado