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Posted on Jan 01, 2012
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Transmission slipping on 03 GMC Envoy. what does iy mean when trans fluid measure high on dip stick?

Transmission started to slip yesterday. I measure Transmission fluid after letting the car warm up. It measured very high

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Mike Coker

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  • Posted on Jan 15, 2012
Mike Coker
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Two things: #1 someone has overfilled it by mistake thinking they were putting oil in the engine. Yes I have seen this.
#2 The transmission cooler in the radiator could be leaking antifreeze into the transmission through the cooling line raising the fluid level. I would look for milk shake foam on the dip stick and make sure you check trans in park and not neutral.

4 Related Answers

Anonymous

  • 6982 Answers
  • Posted on Jun 09, 2009

SOURCE: I have a 2003 GMC Envoy, trans slipping that I have been towing

Low fluid can cause slipping. (depends upon how low) Most manufacturers post "safe" tow speeds. These are generally ignored. (not good). I recommend towing with driveshafts removed and where driveshaft has a "slip yoke" you install a yoke from a scrapyard and wire it to the tailshaft so it stays in place (keeps oil in and dirt out) Although you can't just detach the tow-bar and drive, it eliminates any possibility of trans damage, since the transmission cannot turn. (most use oil from pump to keep gearsets cool...when towing, pump is not pumping and over time and distance it can damage trans internals.)
Hope your problem is just low fluid and not a rebuild...keep in mind what I said though.

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Anonymous

  • 11896 Answers
  • Posted on Jul 10, 2009

SOURCE: Put car in gear trans. Does not engage

tranny may need overhaul. It is possible that the vacuum actuator is leaking and will need to be replaced. Much cheaper then replacing tranny

Anonymous

  • 50 Answers
  • Posted on Oct 16, 2009

SOURCE: My 2002 GMC Envoy transmission slips into neutral

try adding fluid and if still slipping neeed to have it checked could just need a fluid change

Anonymous

  • 672 Answers
  • Posted on Sep 26, 2011

SOURCE: I have a 2004 GMC

Service the transmission immediately, oil and filter must be replaced, and magnets must be cleaned!!

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2002 bmw x5 trans failsafe program message after oil change
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Code p1726
it dont lie, it is slipping.
the TCM sees the input speed and output speeds, (trans)
and knows the slip rate. (TC's do slip naturally) and then if it slips too much. it throws the DTC,
must folks do the full flush service. and pray it fix it. (filter and all new ATF fluid)
is the ATF LEVEL too low or too high?, (the test is in the operators guide. not checked at all like the engine, RTM first)
some newer cars have no A./T dip stick to do this, and needs under car, check.

just take it in for service. and check the trans.

ATF = automatic transmission Fluid, RTM means read the manual.
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Location and access to Transmission Filter to change Trans. oil and Filter
Hi Lb,
My car is RX300 1999 and has the same problem. I changed the fluid 2 years ago after the trans slip and lost the shift. Afterwards it worked for another 2 years. But recently it doesn't work again even I change fluid and put Stop Slip additive to the trans. I was told the trans has to be rebuilt. So changing fluid and filter can help to maintain the trans for sure and can prevent problem. But if the trans has already worn a lot, it can't help at last.
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Feb 15, 2014 • Cars & Trucks
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Tranny slips when warm, runs fine cold, why?
That's a sign of hardened seals. They're stiff and leak when cold and soften and seal better as they warm up When did you change fluid last? You can try a fluid flush and a bottle of Lubeguard supplement. But really, start saving for a transmission rebuild.
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Oct 27, 2017 • 2003 GMC Envoy
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Trans starting slipping after modulator replaced

Transmission gear assembly and transmission needs inspection. Also check the transmission fluid level. Also is the fluid getting leaked or its low.


There are few very helpful links with solutions to troubleshoot these problem.


========

I suggest you to refer these links.


Click the link below:-----


2000 Toyota Camry: Transmission slipping and Stuck up? http://whatisbyme.blogspot.in/2012/05/2000-toyota-camry-transmission-slipping.html

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Transmission Slips out of 2nd gear?

http://repairhelpcenter.blogspot.in/2012/02/transmission-slips-out-of-2nd-gear.html

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Car engine Overheats and transmission starts slipping?

http://schematicsdiagram.blogspot.com/2011/12/car-engine-overheats-and-transmission.html

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2006 Ford Explorer: Engine Vibrates and gears slipping?

http://whatisbyme.blogspot.in/2012/06/2006ford-explorer-engine-vibrates-and.html

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Clutch slipping problem?

http://howtobyme.blogspot.in/2012/03/clutch-slipping-problem.html

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Dodge Anti slip System is not operating?

http://whatisbyme.blogspot.in/2012/07/dodge-anti-slip-system-is-not-operating.html

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OD light flashing and transmission fluid leaking?

http://repairhelpcenter.blogspot.in/2012/02/od-light-flashing-and-transmission.html

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Transmission fluid leaks near radiator on ford windstar?

http://repairhelpcenter.blogspot.in/2012/02/transmission-fluid-leaks-near-radiator.html

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Ford Windstar transmission fluid leaking?

http://technoanswers.blogspot.in/2012/02/ford-windstar-transmission-fluid.html

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These details will help.

Thanks.

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My 2002 GMC Envoy transmission slips into neutral
try adding fluid and if still slipping neeed to have it checked could just need a fluid change
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Oct 15, 2009 • 2002 GMC Envoy
1helpful
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I have a 2003 GMC Envoy, trans slipping that I have been towing
Low fluid can cause slipping. (depends upon how low) Most manufacturers post "safe" tow speeds. These are generally ignored. (not good). I recommend towing with driveshafts removed and where driveshaft has a "slip yoke" you install a yoke from a scrapyard and wire it to the tailshaft so it stays in place (keeps oil in and dirt out) Although you can't just detach the tow-bar and drive, it eliminates any possibility of trans damage, since the transmission cannot turn. (most use oil from pump to keep gearsets cool...when towing, pump is not pumping and over time and distance it can damage trans internals.)
Hope your problem is just low fluid and not a rebuild...keep in mind what I said though.
Read full answer
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