Installation Procedure
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
When reusing the valve train components, always install the components to the original location and position.
Valve lash is net build, no valve adjustment is required.
- Lubricate the rocker arms and pushrods with clean engine oil.
- Lubricate the flange of the rocker arm bolts with clean engine oil. Lubricate the flange or washer surface of the bolt that will contact the rocker arm.
- Install the rocker arm pivot support.
- Install the pushrods.
- Install the rocker arms and bolts.
- Rotate the crankshaft until the number one piston is at top dead center (TDC) of the compression stroke. In this position, the number one cylinder rocker arms will be off lobe lift.
- With the engine in the number one firing position, tighten the following rocker arm bolts:
Tighten
- Tighten cylinders 1, 2, 7 and 8 exhaust valve rocker arm bolts to 30 N.m (22 lb ft).
- Tighten cylinders 1, 3, 4 and 5 intake valve rocker arm bolts to 30 N.m (22 lb ft).
- Rotate the crankshaft 360 degrees.
- Tighten the following rocker arm bolts:
Tighten
- Tighten cylinders 3, 4, 5 and 6 exhaust valve rocker arm bolts to 30 N.m (22 lb ft).
- Tighten cylinders 2, 6, 7 and 8 intake valve rocker arm bolts to 30 N.m (22 lb ft).
- Install the number one cylinder spark plug. Refer to Spark Plug Replacement .
- Install the rocker arm cover. Refer to Valve Rocker Arm Cover Replacement - Left Side , or Valve Rocker Arm Cover Replacement - Right Side .
NOTE:
Make sure that the pushrods seat properly to the valve lifter sockets.
NOTE:
Make sure that the pushrods seat properly to the ends of the rocker arms. DO NOT tighten the rocker arm bolts at this time.
NOTE:
The engine firing order is 1, 8, 7, 2, 6, 5, 4, 3. Cylinders 1, 3, 5 and 7 are the left bank. Cylinders 2, 4, 6 and 8 are the right bank.
CAUTION:
Refer to Fastener Caution .