Holyman Posted March 12, 2004 Report Share Posted March 12, 2004 I recently bought a Dodge van with a 3.9 engine and after a few minutes, it starts to clank like the old cars used to when the exhaust flapper would break. Any help or websites would be GREAT!!! THANKS Quote Link to comment Share on other sites More sharing options...
zilladude Posted March 12, 2004 Report Share Posted March 12, 2004 3.9's are notorious for timing chain clatter( i think the tensioner spring breaks causing the chain to hit the tensioner) Is the noise mainly at idle or all the time? Quote Link to comment Share on other sites More sharing options...
boonman Posted March 12, 2004 Report Share Posted March 12, 2004 The timing chain was one thing I was gonna mention. There are some folks over at www.ramchargercentral.com who may be able to help if this is not the case.... Quote Link to comment Share on other sites More sharing options...
ledofthezep Posted March 12, 2004 Report Share Posted March 12, 2004 Haven't had any problems with my 3.9, but I only have 27k on it too. Has been a great little truck & good gas mileage. Runs better than my old Chevy1500 w/the 4.3 v6. The only thing I've noticed is a lot of condensation whenever I start it up in the mornings. Quote Link to comment Share on other sites More sharing options...
Holyman Posted March 13, 2004 Author Report Share Posted March 13, 2004 It doesn't do it when I first start it up and then it gradually starts and won't stop unless it cools down for a VERY long time. I don't think it's a timing chain thing. It's a tinny sound that is consistant but random. It makes the same noise but not like a lifter that clicks every time it is bumped. It sounds like some sort of in and out shaft play. It doesn't really seem to get worse or faster when I accelerate. Someone told me that on the smaller v6's there is some sort of thermostatically controlled intake flap that may be loose. I'll check out the ramcharger site. Quote Link to comment Share on other sites More sharing options...
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