Question about 2007 GMC Yukon Denali

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Transmission temp running 160 degrees in my 2007 Yukon Denali

We changed the transmission fluid in my 2007 Yukon Denali and now the transmission temp is running at about 160 degrees when driving on the highway. Is that running too hot? What could cause it to do this? Is there a restriction in the transmission coolant line? Is it going to be hard to fix or should I take it to the dealer. Will the dealer cover it under warranty? Thanks.

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I you did it by yourself is better to tell the dealer that you truck has that problem dont tell them that you did that because you may have voided the warranty.

Posted on Jul 18, 2009

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Posted on Jan 02, 2017

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Gear Shift or Transmission


Check fluid level, if fine tranny bad

May 06, 2014 | 2007 GMC Yukon Denali

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'03 Yukon Denali XL. Rpms go up to 3K at around


when you had the transmission filter and gasket changed. do you know if they back flushed the fluild. there is 5 to 7 shift soleniods in the transmission. when garages back flush transmission it causes the solenoids to close. are there any codes. sounds like your 1st and 2nd shift solenoid is stuck closed

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Want to change transmission fluid and filter


I took mine to a shop for a flush and filter change. Costed me about $240 all said and done give or take. the '03 (and other) denali's have a big transmission reserve and i believe they take approximately 16 quarts of fluid in the system. the trans fluid is around 7 a quart i believe, and I recommend a flush to replace all the fluid with new fluid before changing the filter so that when you change the filter out, you are running new fluid through it. I don't know how to flush the system without their special tool that straight swaps the fluid as the ****** is running, so that will have to be done by a shop anyways. As for the filter swap, I believe the filter is about $29 and you'll need approx 7-8 quarts of fluid to replace when you drop the transmission pan.

All in all, in fluid alone you will be spending approximately $175. $29 for a filter. let the shop make a few bucks and have it done by pros. I know they get discount on the fluids, but I figure I still spent $35 more than doing it myself for an hour or two of work. Not a horrific deal to be honest.

Aug 06, 2011 | 2003 GMC Yukon Denali

1 Answer

I have a gmc Yukon Denali xl and needed to know how many quarts of ATF transmission oil do I need to flush my trans


if the transmission fluid is brown or it hasn't been changed then I would flush it
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Here is what I have listed, more than likely you have the 4L60E which is 5qts.
CAPACITIES
Engine, with filter..........6.0 quarts[1]
Cooling System, Initial Fill..........17.0 quarts
AMSOIL Antifreeze and Engine Coolant
Cooling System, W/ Rear Heat Initial Fill..........19.0 quarts
AMSOIL Antifreeze and Engine Coolant
Automatic Transmission, 4L80E Initial Fill..........7.7 quarts[2]
Automatic Transmission, 4L85E Initial Fill..........7.7 quarts[2]
Automatic Transmission, 4L60E Initial Fill..........5.0 quarts[2]
Automatic Transmission, Total Fill
4 speed 4L60E..........11.0 quarts
4 speed 4L80E..........14.0 quarts

Dexron VI is the way to go. As for a filter the choice is yours..Hope this helps Tim

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What is the capacity(volum)of transmission and engin oil in denali 2007?


{: ) Engine Oil with Filter - All Engines 5.7 L (6.0 qt)
Transmission fluid:
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1 Answer

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Check your fluid level. The Transmission Control Solenoid may be failing or the transmission filter could be clogged.

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How do you change the transmission fluid in a 2004 GMC Yukon Denali?


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In some cases the rear transmission mount may need to be undone and the rear of the trans lifted to allow clearance for the pan to be slid past the crossmember.
Replace the trans filter too!

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TRANSMISSION FLUID NORMAL TEMPERATURE IS 200 DEGREES.

Sep 28, 2009 | 2007 GMC Yukon Denali

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