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Vans & Minivans Chrysler/Plymouth Voyager, Dodge Caravan Caravan/Voyager Engine Problems
92 messages, Last post on Nov 21, 2009 at 7:42 AM
You are in the Chrysler/Plymouth Voyager, Dodge Caravan Forum. Your Host is Karens
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Hi Shipo, Long time no talk, hope all goes well. I got a question for you about that remanufactured transmission for Caravan we talked few months ago. After I got it replaced two months ago, I found a noise when driving between 35 to 45 miles, bring my car back to dealer, they diagnosed this problem and replaced another transmission for me under Chrysler's warranty. However, I got the same noise again. The answer from Chrysler is that this is a normal noise and will not cover it any more. I was wondering if you got the same noise when you got your transmission replaced last year? Any ideas? Thanks!
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Replying to: lovecd (Oct 13, 2007 11:06 pm) As far as I know, all Gen 3 and Gen 4 minivans with 3.3 and 3.8 liter engines go into torque converter lock between 35 and 45 mph (warmed up and under light throttle load), and when that happens it isn't unusual to hear some resonance from the exhaust system. In the case of both of our vans, assuming a light application of the accelerator pedal when on a level road, the engine RPMs will drop from ~2000 to ~1500 when in the 38 to 45 mph range. Occasionally, depending upon loading and such I'll hear some engine and exhaust resonance. A good way to rule this out is to take a test drive and manually select "3" with the gear selector for all speeds under 50. If you do this and you hear your "noise" then it's a fair assumption that the problem is simple resonance. Best Regards, Shipo
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Replying to: shipo (Oct 14, 2007 6:41 am)
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Replying to: lovecd (Oct 14, 2007 7:45 am) Typically resonance isn't a problem, however, if the exhaust system has been damaged at some time in the past, and/or one or more of the exhaust hangers is missing/damaged, the problem can manifest itself as a noise or even an amplified vibration. Keep us posted.  Best Regards, Shipo |
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Replying to: goldrench (Aug 18, 2007 3:29 am) I sure could use some help here.
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Replying to: goldrench (Oct 15, 2007 4:46 am) Grasping at straws here, you might want to consider buying a premium belt from Napa/Gates, Mopar or Dayco (and by "premium" I mean the best of whatever they sell, usually costing somewhere north of $40 for the belt), as cheap belts have a tendency to slip a bit causing a ringing or chirping sound. Best Regards, Shipo |
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Thanks...we've changed the belts to premium with no change. Only happens when warm, and it's definately a metal rattle.
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Replying to: goldrench (Oct 15, 2007 5:38 am) Best Regards, Shipo
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| Ok...thanks again...we'll do further testing and I'll let you know. | |
My '06 Grand Caravan makes a whirring kind of whining noise. It changes pitch when gears shift and I can hear it on the highway, around town as well as when idling. It happens when engine is warm but outside temp is cool. Dealer said he has 2 that do this and it has something to do with battery re-charging. My reliable mechanic has agreed. No one has offered a solution to this very annoying situation. This is my 3rd Caravan and I am ready to drive it into a tree to get the noise to quit. Any suggestions?
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