gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Valve Stem Oil Seal and Valve Spring Replacement - Left Side|Page 4446 > < Valve Stem Oil Seal and Valve Spring Replacement - Left Side|Page 4444
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4. Install the EN 46110 above the applicable valve spring as shown.

Tighten the EN 46110 valve spring compressor nut (2).

5. Install the valve spring keepers.
6. Remove the EN 46110.
7. Disconnect the J 39313 from the compressed air source.
8. Remove the J 39313.
9. Install the spark plugs. 

10. Install the rocker arms and camshafts.
11. Remove the EN 46106 in order to prevent crankshaft rotation.
12. Install the starter motor. 

Valve Stem Oil Seal and Valve Spring Replacement - Left Side|Page 4446 > < Valve Stem Oil Seal and Valve Spring Replacement - Left Side|Page 4444