4.0 rattle
New User
Joined: Dec 2002
Posts: 14
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From: Yakima USA
4.0 rattle
when cold starting the engine is quiet for about 30 seconds then it rattles like a diesel until it is warm ,then it is quiet again ,I thought maybe lifters ,but if so why are they quiet at first ?
New User
Joined: Jul 2002
Posts: 14
Likes: 0
From: Dallas
4.0 rattle
I have a 2000 Explorer w/a 4.0 OHV that has this problem. I took it in under warranty and they couldn't hear it.
Well time went by and it got worse. Eventually it would do it all the time at idle. I took it in and they de-carbonized the engine and now it only does it slightly when cold at idle. Hard to believe carbon build up would make this sound but it did.
Weard, but might be a place to start.
Let us know, James.
Well time went by and it got worse. Eventually it would do it all the time at idle. I took it in and they de-carbonized the engine and now it only does it slightly when cold at idle. Hard to believe carbon build up would make this sound but it did.
Weard, but might be a place to start.
Let us know, James.
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