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Caravan/Voyager Engine Problems

90 messages,  Last post on Nov 01, 2009 at 6:47 PM

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What is this discussion about? Dodge Caravan, Chrysler Voyager, Plymouth Voyager, Engine, Van

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#18 of 90 Re: To Shipo about the transmission rebuilt. [lovecd] by shipo Aug 13, 2007 (3:01 pm)
Replying to: lovecd (Aug 13, 2007 2:21 pm) My new transmission did indeed come home with the pan from the old transmission, and as such it makes total sense that the fluid needs to be added after installation. That said, I don't think I paid extra for the fluid.   Did they warn you that your new transmission was going to shift rough for a couple of thousand miles while the fuzzy logic control unit "learns" your driving style? FWIW, I was actually kind of alarmed at how the new transmission shifted for the first month or so, but can report that it did eventually get itself sorted and its shifted perfectly well ever since.   Best Regards, Shipo
#19 of 90 engine rattle by goldrench Aug 18, 2007 (3:29 am)
I have a Chrysler Town and Country 3.3 and a Dodge Caravan 3.3. Both are 2005 and 70,000 miles. After driving I noticed a slight rattle from the front of the engine. Replaced tensioners and the noise is still there. Any common problems with Timing chain in these cars? Replies to this message: goldrench (Oct 15, 2007 4:46 am) shipo (Oct 15, 2007 5:25 am) toadrn (Nov 05, 2007 8:01 am)
#20 of 90 2005 dodge caravan running rough by abuchholz Sep 07, 2007 (4:32 pm)
2005 grand caravan with 3.8 ltr. 55,000 miles on it. Any speed when you push down on the pedal 1 to 2 mph. it runs rough or shakes. Replaced plugs already. And ideas? Replies to this message: masterpaul1 (Sep 07, 2007 9:34 pm) abuchholz (Sep 07, 2007 9:44 pm)
#21 of 90 Re: 2005 dodge caravan running rough [abuchholz] by masterpaul1 Sep 07, 2007 (9:34 pm)
Replying to: abuchholz (Sep 07, 2007 4:32 pm) Was it doing this before you replaced the plugs? If not, then the plugs might be crossed. Replies to this message: abuchholz (Sep 07, 2007 9:44 pm)
#22 of 90 Re: 2005 dodge caravan running rough [masterpaul1] by abuchholz Sep 07, 2007 (9:44 pm)
Replying to: masterpaul1 (Sep 07, 2007 9:34 pm) yes. That's why I replaced them.
#23 of 90 To Shipo. About remanufactured transmission from Chrysler by lovecd Oct 13, 2007 (11:06 pm)
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! Replies to this message: shipo (Oct 14, 2007 6:41 am) lovecd (Oct 14, 2007 7:45 am) shipo (Oct 14, 2007 8:58 am)
#24 of 90 Re: To Shipo. About remanufactured transmission from Chrysler [lovecd] by shipo Oct 14, 2007 (6:41 am)
Replying to: lovecd (Oct 13, 2007 11:06 pm) One, question. Does the noise coincide with a drop in RPMs on the tachometer?   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 Replies to this message: lovecd (Oct 14, 2007 7:45 am) shipo (Oct 14, 2007 8:58 am)
#25 of 90 Re: To Shipo. About remanufactured transmission from Chrysler [shipo] by lovecd Oct 14, 2007 (7:45 am)
Replying to: shipo (Oct 14, 2007 6:41 am) Thanks for your advise! I will do this test later on. By the way, if it is resonance, will that goes away after driving few thousands mile (break-in period) or will stay forever? It is kind of annoying to me. Replies to this message: shipo (Oct 14, 2007 8:58 am)
#26 of 90 Re: To Shipo. About remanufactured transmission from Chrysler [lovecd] by shipo Oct 14, 2007 (8:58 am)
Replying to: lovecd (Oct 14, 2007 7:45 am) If it's resonance, then it probably won't go away as the problem isn't the transmission. What is happening is that when the torque converter locks up, the engine RPMs drop to a point where the engine is almost lugging, and that in turn sets up a vibration through the exhaust system and other components attached to the engine.   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
#27 of 90 Re: engine rattle [goldrench] by goldrench Oct 15, 2007 (4:46 am)
Replying to: goldrench (Aug 18, 2007 3:29 am) Has anyone else seen/heard this problem? I sure could use some help here. Replies to this message: shipo (Oct 15, 2007 5:25 am) toadrn (Nov 05, 2007 8:01 am)

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