Skylark L4-138 2.3L DOHC VIN D MFI QUAD 4 (1989)
Camshaft: Service and Repair
Manual Transmission
INSTALL OR CONNECT
Camshaft Housing, Cover And Gaskets
1. Camshaft housing to cylinder head with a new gasket (no sealer needed).
2. Loosely install one camshaft housing to cylinder head bolt to hold the housing in place.
3. Lifters into lifter bores.
-
Used lifters must be returned to their original position in the camshaft housing.
-
If the camshaft is being replaced, the lifters must also be replaced.
WARNING: The camshaft lobes and journals must be adequately lubricated or serious engine damage will occur upon start up. Coat the lifter
with Camshaft and Lifter Prelube GM P/N 12345501 or equivalent. If new lifters are installed, add Engine Oil Supplement GM P/N 1052367 or
equivalent to the engine oil.
4. Camshaft in same position as when removed.
-
The timing chain sprocket dowel pin should be straight up and line up with the centerline of the lifter bores.
