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'06 Caravan shifting 1 to 2 is clunky
03-03-2018, 03:36 PM
Post: #1
'06 Caravan shifting 1 to 2 is clunky
158k on an '06 Caravan, big 6....... . When shifting from 1st to 2nd with a bit of throttle, it sort of clunks in. the more acceleration the more the clunk, also when turning it seems to clunk a bit more as well. The higher the Rs the more disturbing the clunk. If you're ultra easy on the peddle at lower Rs, it hardly clunks. Is it worn gears, differential, loose something or other or what?
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03-03-2018, 09:43 PM
Post: #2
RE: '06 Caravan shifting 1 to 2 is clunky
Despite many reports of trany issues I would be looking at wheel bearings and CV joints before jumping the gun. The key seems to be "when turning" and that usually points to a problem on one side due to load shifting. More throttle and higher RPM adds more load as well. Also might be worth a gander at engine mounts. If the rubber is worn in the mount then there's extra movement, which may cause various things to hit under the car. (exhaust, heat shields, etc) Sometimes you can simulate this loading while the vehicle is stationary by "power braking" in drive and reverse for a few seconds each. Have the hood open and a helper watching / listening from the side for anything unusual. Only do this for maybe 5 seconds at a time to reduce the possibility of overheating the trany.

If you come up empty in this arena you can go to most major trany chains to see if they will offer an opinion. A quick test drive is usually a freebie.

Let us know how you make out and we can chat more.
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03-03-2018, 10:20 PM
Post: #3
RE: '06 Caravan shifting 1 to 2 is clunky
(03-03-2018 09:43 PM)Rupe Wrote:  Despite many reports of trany issues I would be looking at wheel bearings and CV joints before jumping the gun. The key seems to be "when turning" and that usually points to a problem on one side due to load shifting. More throttle and higher RPM adds more load as well. Also might be worth a gander at engine mounts. If the rubber is worn in the mount then there's extra movement, which may cause various things to hit under the car. (exhaust, heat shields, etc) Sometimes you can simulate this loading while the vehicle is stationary by "power braking" in drive and reverse for a few seconds each. Have the hood open and a helper watching / listening from the side for anything unusual. Only do this for maybe 5 seconds at a time to reduce the possibility of overheating the trany.

If you come up empty in this arena you can go to most major trany chains to see if they will offer an opinion. A quick test drive is usually a freebie.

Let us know how you make out and we can chat more.
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I recently had a plugged catalytic converter and related piping replaced, an egr, tps, oxygen sensor, and replaced tranny fluid as well. I'm going to take it back to the shop if the problem persists. I have no codes either. I may have over emphasized the 'turning' noise a bit, but maybe not. I'll check again.
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03-03-2018, 10:37 PM
Post: #4
RE: '06 Caravan shifting 1 to 2 is clunky
As a side note, aftermarket exhaust doesn't always have the same fit & finish as OEM parts, and the reason is because they are half the price. Another thing I should mention is if they used something less than the latest synthetic ATF that can change the shift feel. Newer transmissions (last 20 years or so) are much more fussy than in the old days.

BTW, our other moderator is the trans expert so maybe he's got a few pointers? He's been working double overtime at his day job lately so might be delayed responding to this post.
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03-03-2018, 11:54 PM (This post was last modified: 03-04-2018 10:57 AM by Garner.)
Post: #5
RE: '06 Caravan shifting 1 to 2 is clunky
I would have to agree that I would be looking for something other than a transmission problem here. That should be a 604, fully computerized transaxle. They will usually kick a code if there is a problem. Just be sure that the scanner is a "Full Function" model. A lot of "Code Readers" won't read transmission codes. If you do find any codes, post the numbers here for review.

My suspect would be much the same as Rupe's. I would guess that new exhaust is bumping up against something on the shift. And; also as Rupe suggested, I would suspect it to be because it wasn't placed properly or the motor/transmission mounts are worn and allowing to much movement.

Please let us know what you find.

Thanks for using the forum,
Garner

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