Chevrolet Silverado / GMC Sierra. Manual — part 414
Tighten the fasteners in sequence (if specified) and to the proper torque specifications. DO
NOT overtighten the fasteners.
Anaerobic Type Pipe Sealant
Anaerobic type pipe sealant cures in the absence of air and remains pliable when cured. This type
of sealant is used where 2 parts are assembled together and require a leak proof joint.
Use the following information when using pipe sealant:
Do not use pipe sealant in areas where extreme temperatures are expected. These areas
include:
The exhaust manifold
The head gasket
Surfaces where a different sealant is specified
Always follow all the safety recommendations and the directions that are on the pipe sealant
container.
The surfaces to be sealed must be clean and dry.
Use a pipe sealant bead of the size or quantity as specified in the service procedure.
Apply the pipe sealant bead to the inside of any bolt hole areas.
Apply a continuous bead of pipe sealant to 1 sealing surface.
Tighten the fasteners in sequence (if specified) and to the proper torque specifications. DO
NOT overtighten the fasteners.
TOOLS AND EQUIPMENT
Special tools are listed and illustrated throughout this section with a complete listing at the
end of the section. These tools or their equivalents, are specially designed to quickly and
safely accomplish the operations for which they are intended. The use of these special tools
IMPORTANT: Fasteners that are partially torqued and then the threadlock
sealant allowed to cure more than five minutes, may result in
incorrect clamp load of assembled components.
IMPORTANT: Do not allow the pipe sealant to enter any of the blind
threaded holes, as the pipe sealant may prevent the fastener
from clamping properly, or cause component damage when
the fastener is tightened.
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
will also minimize possible damage to engine components. Some precision measuring tools
are required for inspection of certain critical components. Torque wrenches and a torque
angle meter are necessary for the proper tightening of various fasteners.
To properly service the engine assembly, the following items should be readily available:
Approved eye protection and safety gloves
A clean, well-lit, work area
A suitable parts cleaning tank
A compressed air supply
Trays or storage containers to keep parts and fasteners organized
An adequate set of hand tools
Approved engine repair stand
An approved engine lifting device that will adequately support the weight of the
components
SPECIAL TOOLS AND EQUIPMENT
SPECIAL TOOLS
Special Tools
Illustration
Tool Number/Description
EN 47603
Compression Gage Adapter
EN 47909
Injector Bore and Sleeve Cleaning Kit
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
J 7872
Dial Indicator Set
J 8037
Piston Ring Compressor
J 8062
Valve Spring Compressor
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
J 9666
Valve Spring Tester
J 24270
Cylinder Bore Ridge Reamer
J 26900-12
Dial Indicator
J 26900-13
Magnetic Indicator Base
2008 Chevrolet Silverado 1500
2008 ENGINE Engine Mechanical - 6.6L - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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