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Chevrolet Silverado / GMC Sierra. Manual - part 2193
Fig. 29: View Of Cylinder Head Gasket & Locating Pins
Courtesy of GENERAL MOTORS CORP.
CAUTION: Refer to Safety Glasses Caution .
NOTE:
Clean all dirt, debris, and coolant from the engine block
cylinder head bolt holes. Failure to remove all foreign material
may result in damaged threads, improperly tightened fasteners
or damage to components.
IMPORTANT:
Do not use the cylinder head bolts again. Install NEW
cylinder head bolts during assembly.
Do not use any type of sealant on the cylinder head
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
1. Clean the engine block cylinder head bolt holes, if required.
Thread repair tool J 42385-107 may be used to clean the threads of old threadlocking
material.
2. Spray cleaner GM P/N 12346139 (Canadian P/N 10953463), GM P/N 12377981
(Canadian P/N 10953463), or equivalent, into the hole.
3. Clean the cylinder head bolt holes with compressed air.
4. Install the cylinder head locating pins (230).
gasket, unless specified.
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
Fig. 30: Identifying Cylinder Head Locating Pins Installation Position
Courtesy of GENERAL MOTORS CORP.
5. Inspect the locating pins for proper installation.
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
Fig. 31: View Of Displacement Markings On Gasket
Courtesy of GENERAL MOTORS CORP.
6. Inspect the displacement markings (1, 2) on the gasket, for proper usage.
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
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