Chevrolet Silverado / GMC Sierra. Manual — part 1963
Installation Procedure
Fig. 227: View Of Oil Pressure Sensor
Courtesy of GENERAL MOTORS CORP.
1. Install a NEW valve lifter oil filter O-ring seal (4) into the valve lifter oil manifold.
2. Install the NEW valve lifter oil filter (3).
3. Apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent to the threads of
the oil pressure sensor.
4. Install the oil pressure sensor washer (2) and sensor (1).
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
Tighten: Tighten the sensor to 35 N.m (26 lb ft).
Fig. 228: View Of Engine Harness Electrical Connectors & Inlet Hose Clamp
Courtesy of GENERAL MOTORS CORP.
5. Connect the engine harness electrical connector (1) to the oil pressure sensor.
6. Install the intake manifold. Refer to Intake Manifold Replacement (L92 - First Design)
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
or Intake Manifold Replacement (L92 - Second Design) or Intake Manifold
Replacement (LY2 and LY6) or Intake Manifold Replacement (LH6, LMG, LY5 and
L76).
VALVE ROCKER ARM COVER REPLACEMENT - LEFT SIDE
Removal Procedure
Fig. 229: View Of CPA Retainer, Electrical Connectors & Engine Harness Clips
Courtesy of GENERAL MOTORS CORP.
1. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield
Replacement.
2. Remove the connector position assurance (CPA) retainer (2).
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
3. Disconnect the engine harness electrical connector (1) from the ignition coil wire harness.
4. Remove the engine harness clip (4) from the ignition coil bracket stud.
5. Reposition the engine harness, as necessary.
Fig. 230: Ignition Coils & Bracket
Courtesy of GENERAL MOTORS CORP.
6. Remove the spark plug wires (724) from the ignition coils.
Twist each plug wire 1/2 turn.
Pull only on the boot in order to remove the wire from the ignition coil.
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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