worn timing belt
Fleet Mechanic
Joined: Aug 2002
Posts: 1,344
Likes: 12
From: Sioux Falls SD
They are cheap. Best to just replace it, the rad hoses and serp. belt. You can buy just the belt or a kit that comes with new tensioner. If waterpump is origanal you may want to change that too while it is apart.
Logistics Pro
Joined: Jan 2002
Posts: 4,907
Likes: 39
From: suburban atlanta
The symptoms of a worn timing belt are that the engine doesn't run any more. In most failures that I've seen, the belt ends up loosing a few teeth, and the valve and sometimes the ignition timing get too far off to run. The tensioner will keep the crank, distributor if equipped, and cam in good time as it will take up any slack on the 'undriven' or unloaded travel of the belt. One portion is in tension pulling dist & cam, the other side is along for the ride. Most times the crankshaft will eat a few teeth, and that's that. It won't hurt the valves, and generally happens when one goes to restart, and it just won't.
Some belts had rounded teeth from the factory and some had square cornered teeth. Vintage dependent and I have no clue why.
tom
Some belts had rounded teeth from the factory and some had square cornered teeth. Vintage dependent and I have no clue why.
tom
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4x4man514
1983 - 2012 Ranger & B-Series
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Dec 15, 2018 09:02 AM
