Quote:
Originally Posted by Wilson01S
How much should the chain tensioner (nearest the oil pump) be able to collapse? It barely moves 1/4" and becomes rock hard. Doesn't appear to be any cracks on the contact pad inside the engine case, and the wear pattern is central on the end of the tensioner.
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Is this the tensioner with the spring preload plunger? You should be able to compress it 1/2" - 3/4". To properly test it, place in hot clean engine oil 2" deep & pump the plunger. You should see dirty oil coming out making room for clean oil to go in.
Easiest to do this in a electric cooking pan @ 250 degrees.