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Date:         Mon, 30 Apr 2007 10:01:32 -0400
Reply-To:     Daniel O Stevens <dosteven@SYR.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Daniel O Stevens <dosteven@SYR.EDU>
Subject:      Automatic trans won't stay in 3rd
In-Reply-To:  <1177799541.16446@GERRY.VANAGON.COM>
Content-Type: text/plain; charset="US-ASCII"

So this new to us van has a receipt for autotrans rebuild about 25k ago.

We picked it up and drove it the ~200 miles home.. Acted a tad odd that didn't want to kick from 3rd to 2nd on a big hill.. But chalked that up to driver interference and only happened once. Consequent down shifts were on demand and predictable.

Drove it a few hundred miles around town, lend it to my father to get a safety inspection and on the highway drops outta 3rd into 2nd.. @ ~60mph... Revved like hell and slowed down, took 2ndary roads rest of way home..

So it'll shift into 3rd.. But only with no that's ZERO throttle action.. Touch the throttle and kicks into 2nd..

I've the Bently and reading thru the adjustment procedures, but this doesn't appear to be for a won't stay in 3rd scenario, but for a kick down setting.. I've hypothesized that it's related, but the linkages all appear to be in order..

Here's the PO story, he only had it for short time.. Wasn't into camping as much as he'd thought.. He'd replaced the Throttle cable, and corrected an adjustment in the linkages for 3rd to kick down better.. He'd ordered a screen & gasket kit.. (I have it now) just hadn't gotten around to servicing the trans fluid.. There's A LOT of talk on Thesamba about type'F' as a corrective/aggressive fluid change.. It DOES NOT SLIP in gears, and only on cold occasion takes a moment to build up and lock in the Torque converter on a 1st morning go.

So in hind sight the Pos story makes it appear he had ideas the trans was flakey.. And I do have a spare Autotrans here in the garage I can swap in a day or two.. But I prefer not to take knee jerk reactions..

I plan on dropping the AT pan, inspecting the insides, changing the screen and adding new ~75K valvoline ATF dexron fluid.. I suspect I may find bits of RTV from a pan gasket that would really gum up the werks.

Dan in NY


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