1993 850 GLT Gears slip when car warms up
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Joined: Apr 2008
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1993 850 GLT Gears slip when car warms up
I have a 1993 volvo 850 GLT Estate.
It has just recently had an engine rebuild from a vovlo specialists. However since I have had the car back 2 errors how now appeared on the auto transmission. Error 232 & 114. I changed and flushed the transmission fliud. (4 full Flushes) When the car is cold it runs superbly, but as soon as it gets to tempeture the gears slip causing high revs and it struggles to just simply move.
From stopping at traffic lights and then going the front of the car judders. It has the warning arrow flashing on the dash and on the SEW switch on the centre console. One other note was before the engine rebuild, whenIput the car in drive there was a distinct clonk as the gear engaged, the car no longer does this.
Any help or advice would be most welcome.
Thank you
It has just recently had an engine rebuild from a vovlo specialists. However since I have had the car back 2 errors how now appeared on the auto transmission. Error 232 & 114. I changed and flushed the transmission fliud. (4 full Flushes) When the car is cold it runs superbly, but as soon as it gets to tempeture the gears slip causing high revs and it struggles to just simply move.
From stopping at traffic lights and then going the front of the car judders. It has the warning arrow flashing on the dash and on the SEW switch on the centre console. One other note was before the engine rebuild, whenIput the car in drive there was a distinct clonk as the gear engaged, the car no longer does this.
Any help or advice would be most welcome.
Thank you
Senior Member
Joined: Sep 2006
Posts: 5,340
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From: IPS, MA
RE: 1993 850 GLT Gears slip when car warms up
One wild alternative is to modify the air-conditioning ducting. Add a duct onto the air-conditioning ducting and direct it at the transmission housing to keep it cool at all times. Since the tranny seems shot, you have not much to lose by trying something eccentric. Try synthetic tranny fluid, or different type of fluid. Or find a junked 850 and see if mode selector switch or vehicle speed sensor replacement makes the car drivable. But if Tech says it's shot, then 99% of the time it is shot
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JPN
.JPN
Joined: Mar 2007
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RE: 1993 850 GLT Gears slip when car warms up
It's sad and strange how these transmissions just up and go, but they have been known for doing just that. I'd be more inclined to do several drain and fills of the transmission (instead of trying to flush it), cleaning out the system gently, and then see what happens. I'd stick with the stock Volvo fluid instead of the synthetic, only because synthetic has a tendency to "clean" or "wash" stuff. I'm only thinking that maybe when all that work was being done, and the engine had been re-installed, someone mistakenly put the wrong fluid inside, or something got dumped inside by accident. It really is a "way out there" guess, but it's not a lot of money and just your time and mess in relation to the new transmission itself.
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