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#61115 05/30/2006 4:10 PM | Joined: Aug 2005 Posts: 157 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2005 Posts: 157 | Tiny has probably called it correctly. A wrist pin usually makes a "clucking" sound, although I suppose you could argue that it is a rear main bearing. in my (limited) experience, rear mains make kind of a "rumbling" sound at idle and just above.
If it were mine: I'd drop the pan before it got worse, and check the rod clearance on the crank. You can probably remove a shim or so if need be. Take a real close look at the oil pickup scoops and the oil pan oil carriers while you're in there. Procedure is described nicely in the shop manual for your truck. | | |
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