Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Fastener Tightening Specifications

Use a reliable torque wrench to tighten the parts listed to make sure the parts are properly tightened without straining or distorting parts. These specifications are for clean and lightly-lubricated threads only.
Differential Bearing Cap Bolt/Screw 55 Foot Pound-Force (ft.lb)
Differential Drive Pinion Gear Setting Gage Nut 20 Inch Pound-Force (in.lb)
Differential Pinion Gear Shaft Lock Bolt/Screw
Threads must be coated with Loctite 242 (GM P/N 12345382) or equivalent.
20 Foot Pound-Force (ft.lb)
Differential Ring Gear Bolt/Screw (Left-Hand Thread) 89 Foot Pound-Force (ft.lb)
Propeller Shaft Bolt/Screw 16 Foot Pound-Force (ft.lb)
Rear Axle Housing Cover Bolt/Screw 22 Foot Pound-Force (ft.lb)
Fill Plug 26 Foot Pound-Force (ft.lb)
Rear Brake Hose Fitting to Housing Bolt/Screw 20 Foot Pound-Force (ft.lb)
Rear Brake Rear Pipe-to-Rear Brake Hose Fitting 18 Foot Pound-Force (ft.lb)
Wheel Nut 100 Foot Pound-Force (ft.lb)