

| Subject: | Re: AT Fluid Burping out of ATF Dip Stick Tube? Causes Trans Malfunction, 88 Auto |
| From: | Mike Collum |
| Date: | Thu, 20 Jul 2006 23:21:09 -0400 |
Thanks, Dennis. It's been about 14 years since I looked at the dipstick with the engine off. Mike Dennis Haynes wrote: > Actually, > With the engine off, fluid will drain from the torque converter and give > a really high reading on the stick. Then the fluid level will be too low > possible causing the trans to slip along with aerating the fluid and > making a lot of heat and possibly causing the fluid to boil out, but > that last part is a stretch. > > Dennis > > > -----Original Message----- > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf > Of Mike Collum > Sent: Thursday, July 20, 2006 10:55 PM > To: vanagon@GERRY.VANAGON.COM > Subject: Re: AT Fluid Burping out of ATF Dip Stick Tube? Causes Trans > Malfunction, 88 Auto > > Proper checking is done on a level plane, while hot, engine running, and > with the shifter in park or neutral. > > If you were seeing what looked like the proper level on the dipstick > with the engine off, I'd say your first problem was the transmission was > grossly overfilled. > > I don't know how to advise you at this point. Maybe someone with > "Experience" with this particular problem will chime in. (Experience is > what we get when we were expecting something else). > > Mike > > > robertmstewart wrote: > >>I checked in Park with engine off. 5-10 min after running. >> >> >>on 7/20/06 10:31 PM, Mike Collum at collum@VERIZON.NET wrote: >> >> >> >>>Were you checking the ATF level with the engine running and while in >>>park or neutral? >>> >>>Mike >>> >>> >>>robertmstewart wrote: >>> >>> >>>>Hello everyone, >>>> >>>>I have a question for you, my 88 Auto with a used good condition > > Tranny all > >>>>of a sudden today started to fail and I am at a loss and need your >>>>feedback... >>>> >>>>(The short version is this: ATF burping and how does a perfectly > > working AT > >>>>go to a non-functioning AT?) >>>> >>>>Here�s the background: >>>> >>>>The van�s past owner before the person I purchased it from was a VW > > Mechanic > >>>>and the prior owner and he installed another auto trans from another > > good > >>>>working van�s tranny several years ago. >>>> >>>>I have had the van since January 06. Since then the transmission has > > been > >>>>shifting normally, and for the last month I have been traveling 3-4 > > hour > >>>>trips from Long Island to Upstate NY and doing some serious highway > > driving > >>>>and mountain driving. Usually I put in at least 8 hours of solid > > driving per > >>>>weekend for 4 weekends. All in all the van has performed great.. >>>> >>>>Here�s where the story starts.. Just before my first long trip (4 > > weeks ago) > >>>>I check all fluids, stupidly I did it when the van was cold, and in > > doing so > >>>>thought the ATF was low so I added just a little bit to what was in > > there, > >>>>now after about 3hrs of driving, I pull into the driveway at my > > destination > >>>>and park the van, well I see ATF fluid burping out of the Dip Stick > > tube! > >>>>Not much just a little 1/4 cup. I figure it�s just the overflow > > kicking out. > >>>>I check it in 10 minutes and the level is fine. >>>> >>>>Well 4 weeks pass and I drive it pretty hard to and from the LI to > > Upstate > >>>>NY, 8 hrs per weekend (3x) all is good. Today I start the van up and > > drive 1 > >>>>mile away from the house in Long Island to the grocery, on the way I > > can see > >>>>smoke from the back of the van, it smells like the ATF burping and > > leaking > >>>>onto the exhaust. I park at the grocery and see it burping out, about > > 1/4 � > >>>>1/2 cup. I do some shopping come back 15 min. later, and drive the 1 > > mile > >>>>home, all seems fine. No smoke. After it cools down a bit I check the > > ATF > >>>>fluid and it appears a bit low, so I top it off with Dexron III and >>>>accidentally over fill it but not by much. >>>> >>>>About 4 hours later I get in the van and drive back the same > > direction about > >>>>1 mile to go to the post office and immediately I can detect > > something is > >>>>not right. >>>>At the stop light with the brake on I can see the rpm�s go from about > > 875 > >>>>and revs to about 1,000, then levels off again, normally at idle it > > stays > >>>>right at 875. I thought the surging was strange. I then continue to > > drive > >>>>and again I see the smoke occurring again from the back of the van, > > smells > >>>>again like ATF on the exhaust, now I decide to head right to me local >>>>standard mechanic not my VW guy cause he was closed. >>>> >>>>The local guy tells me the burping is normal if there is to much ATF > > in the > >>>>case. So he checks the fluid and he says the level is good. He tells > > me to > >>>>bring it by in the morning as I wanted them to check the brakes since > > I just > >>>>had all the brakes replaced (the original ones were too rusty). I > > then > >>>>decide to take a little drive just a mile down the road along beach > > to let > >>>>the fluid cycle through and burn off the stuff was sitting on the > > exhaust > >>>>and I thought that maybe taking it up to highway speed would be good, > > to get > >>>>the fluid really circulating. Bad idea... >>>> >>>>As I drive this simple little straight route I notice the > > transmission is > >>>>not engaging right, when I take my foot off the brake it usually goes >>>>forward on its own, this time nothing.. I have to gas it. Then it > > gets > >>>>progressively worse. It goes into 1st, then second, then it rev�s and > > then > >>>>goes to 3rd, and then I thought, oh crap! I have problems. Time to > > get it > >>>>back to the mechanic! >>>> >>>>Well To late, I turn it around to go back the mile I came and now at > > the > >>>>stop light I give it gas and it goes now where! >>>> >>>>I am stuck during rush hour and everyone is honking, my flasher are > > on, but > >>>>people don�t pay attention. I signal for them to go around me. People > > are > >>>>screaming, others understand.. >>>> >>>>I call the mechanic and see if they can come by and push me the 4 > > blocks to > >>>>the garage, he says he can�t. I then call AAA to haul my van back, > > but > >>>>right after I decide to start the van and try... Well it starts to > > move, > >>>>each time I stop it�s a crap shoot to whether it will move. It never > > gets > >>>>past 1st gear. I have to literally move my body a little forward to > > try and > >>>>coax the van to get in gear and move, but somehow I get to the > > garage. While > >>>>the engine is still hot I check the ATF level, I see a hair on the > > end, but > >>>>it was pretty try. >>>> >>>>So what is going on with all the burping and how does a perfectly > > working AT > >>>>go to a non-functioning AT? The mechanic suspected that the AT is >>>>overheating.. What does this mean? I just hope this does turn into a > > massive > >>>>money pit now..... >>>> >>>>I hope someone here can shed some light on the burping issue, and why > > all of > >>>>a sudden the transmission would not engage... >>>> >>>>Thanks in advance, >>>>Robert >>>> >> >> >> >> > >
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