Question about 2003 GMC Envoy

1 Answer

Transmission problems i can drive the car for 50 miles or so then the trans slips, why. after sitting i can drive again, whats wrong?

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  • GMC Master
  • 5,678 Answers

Could be TPS sensor.

Posted on May 08, 2013

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Posted on Jan 02, 2017

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SOURCE: 1997 JIMMY,DRIVING DOWN THE ROAD,GOES DEAD,SIT A BIT,START'S.

When was the last time the fuel filter was chg. If you can't remember its time for a new one.If it does not help after you chg. filter, best to fuel pressure test, to see if pump is going bad.

Posted on Feb 10, 2009

countrysi248
  • 443 Answers

SOURCE: transmission slipping

there are several solonoids inside this transmission .. did he replace all them ? if not I would suggest he do it .. These are problem starters.. they should always be replaced during a rebuild.. thanks jerry

Posted on Apr 26, 2009

  • 2002 Answers

SOURCE: I have a 1992 GMC Sierra with a 5.7 motor. When

It sounds to me like your transmission is not well. It's working when the fluid is cold but not as it warms up. Pull the dipstick and check your transmission fluid for color and smell. It should be pinkish and smell like oil. My guess is that it will be closer to brown than pink and have a burnt oil smell to it. It the transmission is full, check the level with the trans warm,engine running, in neutral.I'd be shopping for another transmission. If the fluid is below the add mark, you an usually buy yourself some time on the replacement by changing the trans fluid and filter.At the same time add a transmission treatment with the new oil,I've had good luck with Lucas. Hope this helps.








Posted on Jun 18, 2009

MNfisherman
  • 11896 Answers

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

Posted on Jul 10, 2009

  • 43 Answers

SOURCE: transmission slipping on 03 GMC Envoy. what does iy mean when trans fluid measure high on dip stick?

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.

Posted on Jan 15, 2012

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1 Answer

Tansmission slips


When you say the trans fluid is fine, is it a clear reddish color? does it smell burnt? also does your check engine light come on at all? how many miles are on the car? GM usually recommends a trans fluid flush at 100k miles under normal driving conditions and at 60k miles under more severe driving conditions. it sounds like there may be an internal problem with the bands or the pressure may be low. I would recommend taking the car to GM dealer for a better diagnosis as it sounds like it will continue to slip when it gets to normal operating temperature and it will get worse in the future. another option is to add 2 bottles of Lucas trans fix (48 ounces total) to the trans fluid but you will need to pump out that much fluid if the trans fluid is already full so you don't over fill it. the lucas trans fluid additive does work pretty good unless their is serious internal damage already done. Good luck!

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1 Answer

I bought a 2001 honda odessey with 73000 miles the transmission gave up. i have it rebuild now it is 83000 miles transmission starting to slip


No transaxles make 100,000 miles

What your saying, including the rebuild
is common

Asian transaxles & all Van type vehicles,
are something you don't want to own

I used to own a trans shop,so I will leave
you with that

Can't fix slipping,drive a couple of days,
& your pulling the trans out again

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1 Answer

Trans just started slipping 2002 Dodge Stratus with 54000 miles no signs of problems before do you check trans level in park or drive?


You allways check the transmission fluid level in car after the car has a few minutes to worm up. If you have not had the transmission fluid and filter change in a long time then you need to do it. The fluid and filter should be changed every 30,000 miles to keep you from having problems. Hope this will help you.

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I don't know exactly how the nissans work with their "limp" mode for what gear it goes into and such. This sounds like the computer is sensing a problem and going into the "limp" mode. Go get the code pulled to see what is says. If it has anything saying trans slipping or ratio problem then something internal in the the trans is wrong. Also, check the trans fluid and see if its burnt ( dark brown or black).

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1 Answer

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auto trans operates on fluid pressure. if the trans has never been serviced, more than likely the filter is plugged, and or the fluid is bad. no doubht its burned and will smell and look like it. get it towed to a shop and have the fliud and filter changed first, then check the band adjustment.recommend a trans shop do it and not jiffylube.

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1 Answer

Transmission slipping making noise


If u keep it below 25 miles an hour you should make it, but this loud noise worries me, this noise means something is coming apart, if it does it may lock the trans up, so keep the speed down.

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1 Answer

Something slipping in transmission ford contour 1999


it depends on the trans but ford had alot of problems with though years with the overdrive shift kit it is a band in the trans and it pop out and break you need to take to local trans shop and let them look at it and tell them the problem and they will take the trans out and crack it up and replace the part that need to be replace before you have to replace the whole trans the ford dealerships dont have the best trans people hate to say that but it true take to someone who specialize in trans only

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Trans fluid is full right? If it's full, when was the last time trans oil was changed? NEVER go by manufacturers interval they couldn't care less if your trans dies. Change fluid every 25K. It's way cheaper than a new unit. If you read manual, "severe service" is just about anything more than sitting in your garage!!
About slipping...if unit is full and change does not help, you need a rebuild. Only trust a reputable shop to do this. Ask people you know before turning it over to just anyone! It's a machine...sometimes even with the best care they break. If it broke get the best people to fix it.

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3 Answers

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mercedes did nothing wrong your transmission is probably blown up. no way they could put in the wrong parts they wouldn't fit. how many miles are on your trans now? did you ever do a transmission service on the transmission that mercedes says is lifetime fluid? dont do back to the dealer find an independant shop that specializes in mercedes, like the one i work for. the dealer doesnt care about its clients. Us independants honestly do care

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