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2005 GMC Envoy rattles when put into gear, transmission fluid maybe over full, not a mechanic but it seems like its misfiring. Any suggestions?

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First suggestion:

Have a professional mechanic take a look at it. Sometimes a free glance at fluid levels can reveal much about why a car is behaving erratically.

Posted on Jan 22, 2013


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SOURCE: 1993 mazda mx6 transmission is not slipping, but will not shift into higher gears. Will run at high RPM's and not shift up. Any suggestions on what it might be.. Mechanical, electrical, fluid change,

sounds like a shift solenoid in the trans.

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SOURCE: my 2005 gmc envoy is getting a p0306 cylinder 6

Change plugs, wires, and cap N rotor if it has distributor or coil packs if it is electronic distribution

Posted on Jul 08, 2009

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passenger side of engine

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SOURCE: The button on our 2004 GMC Envoy gear shift will not depress when

The brake rlease switch for the gearshift might need adjusted-replaced or the shifter itself might need adjusted

Posted on Mar 23, 2010

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Put gmc envoy in reverse and went to put in drive and dash says in drive but won't go into any gear

Check fluid level first. After that, many things inside the transmission could be the problem for no forward gear. Try manually shifting it to first or low. Could be the cable popped off the shifter arm on the transmission.

Aug 13, 2016 | GMC Cars & Trucks

1 Answer

I have a 2004 envoy which wont move when put into gear. Is this a lockdown mode and how to fix it?

if their is a check engine light have the code read ------no such thing as lock down mode you have limp mode which will let you limp vehicle home or to a shop or off road safely sounds like a transmission problem check fluid --look and smell if it looks burnt brownish and or smells burnt try a flush with a fluid and filter change may gey lucky ---look under vehicle and check the selector cable and connections sometimes disconnect or rot away lastely possible internal problem which would need a transmission specialist to look at

Jun 04, 2016 | 2004 GMC Envoy SLT

1 Answer

I have a 2005 gmc envoy slt. I have 4 wheel drive . I put the selector in 4 wheel low and it will not disengage what could be the problem?

It could be an electrical problem or a mechanical problem in transmission or transfer case. does it shift into 4 wheel high okay

Feb 10, 2015 | 2005 GMC Envoy

1 Answer

I have a 2004 GMC Envoy XUV and the 2nd gear seems to be slipping

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

Sep 23, 2011 | 2005 GMC Envoy

1 Answer

My check engine light came on along with the "AT" on my 2005 Mazda 6s automatic. Then the transmission was stuck in 3rd gear. I can only put it into park and reverse. Once i shift to drive, it...

suggest that you check your transmission fluid post haste please. you may only need to add transmission fluid to your car. also,if you have to add the fluid,where did your fluid leak? check for leaks under your car when parked. you may need transmission fluid and filter change,suggest that you do this with new filter and add lucas transmission treatment to the fluid change also. you'll need to purchase this yourself,unless you have a mechanic in the family that can do it for you.if not i suggest you find a mechanic you trust,then tell him,or,her to add this to your tranny fluid change. also suggest while the mechanics there at the transmission to check the modulator valve on the transmission,and the vacum line that operates it. just a hint. thanks for choosing

Mar 04, 2011 | 2005 Mazda 6

1 Answer

I have a 2003 GMC Envoy XL with 150,000+ miles and an automatic transmission. Starting this week, the engin began to rev very high as it transitioned from 1st to 2nd gear. it's very sluggish. Once I get it...

Sure sounds like a slipping transmission to me. When is the last time you changed the transmission fluid? Before you go dumping $2,600 for a new transmission, I'd do a transmission fluid change first. If you do change the fluid, use Dextron 6, it's GM's new transmission fluid, much better than the fluid you have now. Not to scare you, but my transmission went out at about 100k miles, so you're doing good if it hasn't been rebuilt yet.

Jan 21, 2011 | 2003 GMC Envoy Xl

1 Answer

When the transmisson shifts it drags out in the first two gears sometimes.After it shifts into the other gears they are ok.It's just the two lower gears.

check tranny fluid level. Maybe is time for a service, (change of fluid and filter)????

After the above items are OK, add a quart of RISLONE Transmission Stop Slip and Sealant (AutoZone $12) to the transmission fluid. This stuff is great and hopefully it will fix your problem.

Don't forget to rate this post!! Good Luck!!

Jul 22, 2010 | 2002 GMC Envoy

1 Answer

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Apr 07, 2010 | 2005 GMC Envoy Xl

2 Answers

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.

Jun 09, 2009 | 2003 GMC Envoy

1 Answer

2005 GMC Envoy XL left work yesterday and went to pull on to the Highway and it just reved up as if it want in gear. any ideas

low fluid maybe it could be alot of things it has a electric trans so the trans comp could be going out or even the trans it self

Mar 15, 2009 | 2002 GMC Envoy

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