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Chevrolet Silverado / GMC Sierra. Manual - part 2144
Fig. 105: Locating Coolant Temperature Sensor
Courtesy of GENERAL MOTORS CORP.
10. Install sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the threads
of the coolant temperature sensor (725).
11. Install the coolant temperature sensor into the left cylinder head.
Tighten: Tighten the coolant temperature sensor to 20 N.m (15 lb ft).
NOTE:
Refer to Fastener Notice .
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. 106: Locating Coolant Plug
Courtesy of GENERAL MOTORS CORP.
12. Install sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent, to the threads
of the cylinder head plug (229).
13. Install the cylinder head plug to the right cylinder head.
Tighten: Tighten the cylinder head plug to 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
Fig. 107: Locating Cylinder Head Core Hole Plug
Courtesy of GENERAL MOTORS CORP.
14. Apply threadlock GM P/N 12345382 (Canadian P/N 10953489), or equivalent, to the sides
of the cylinder head plugs (216).
15. Install the cylinder head plugs into the cylinder head.
A properly installed plug should be installed 2.5 mm (0.1 in) below the end face of the
head.
OIL PUMP DISASSEMBLE
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. 108: Exploded View Of Oil Pump
Courtesy of GENERAL MOTORS CORP.
1. Remove the oil pump cover bolts (408).
2. Remove the oil pump cover (409).
3. Remove the drive gear (410).
4. Remove the driven gear (412).
5. Remove the pressure relief valve plug (416).
IMPORTANT: The internal parts of the oil pump assembly are not serviced
separately, excluding the spring. If the oil pump components
are worn or damaged, replace the oil pump as an assembly.
IMPORTANT: Mark or identify the gears for assembly. Refer to Separating
Parts .
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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