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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 | If your wiper stopped working, you might have a vacuum leak in that line/system.
Disconnect and plug (or, clamp-off) the vacuum line fitting/hose at the intake manifold.
What procedure did you follow to adjust the valves?
Did you check the valve stem mating surface on the rocker arms? They get worn and then getting a good setting for valve-lash is affected.
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