Question about 2004 Chevrolet Avalanche

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2007 chevy avalanche wont engage D 1 or 2

Was driving my 07 avalanche up a hill and it felt like it went into neutral.. no noises no smells. would not go into D 1 or 2 but would go into reverse.. when i press the gas in any gear but reverse it sounds completely normal just no movement..

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  • 108 Answers

Prey its electrical but unfortunately sounds like you, my friend have a blown transmission...get it towed to aamco to be sure but thats the exact same thing that happened to one of my cars. $1000 and 30+ hours of my time (after it shipped) later, i had a used transmission, and personally installed it. its often times cheaper than getting the current one fixed. good luck man.

Posted on Oct 27, 2012

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Posted on Jan 02, 2017

emissionwiz
  • 75822 Answers

SOURCE: Reverse gear on 1988 Chevy C1500 automatic transmission

sounds like the reverse clutch is shot, pull the pan and look for allot of grey material in the pan, some is normal but a big pile is trouble, if it is not to bad change the fluid and filter and use the new DEXRON 6 fluid, it is compatable with all GM automatics, keep your fingers crossed and it should give you a little while longer before u need an overhaul..

Posted on Mar 08, 2009

tripletauto
  • 1450 Answers

SOURCE: while driving truck makes a humming sound in drive now no reverse

If you have no reverse then yes it needs to be rebuilt. as far as the whining it could be in one of the differentials. or in trans? just depends on where you hear it

Posted on Dec 08, 2008

  • 195 Answers

SOURCE: chevy avalanche transmission problems

Hello;
Are you getting the check engine light? If so the electronics may have gone out. You may not need a rebuild but you won't know till you pull the oil pan on the transmission and inspect the contents. You may also have lost the neutral safety switch. It is mounted on the drivers side of the transmission. Check those out first and let me know what codes you get.
For Ponchoboy; the clunking and hissing you hear are teminal root causes. Drop the oil pan and if it has a lot of filings and metal it is time for a rebuild.
Hope this helps; Rate me highly;
Rich
RPM Northwest

Posted on Feb 09, 2009

asetech74
  • 218 Answers

SOURCE: 94 v6 camaro automatic.. no reverse or neutral.

Sounds like you may have burned out the reverse clutch pack inside the transmission by going from drive to reverse. I would recommend seeing a transmission shop for verification. Hope this helps

Posted on Mar 13, 2009

  • 1 Answer

SOURCE: 2005 Chevy Avalanche Transmission Problem

i had the same problem, its the torque converter. I took my 05 c/a in because i was having shifting problem, the long and short of it is there is a breather on the tranmission that sucks in water from the road. the water and the atf dont mix. the dealer put in a torque converter and changed the fluid and installed a redesigned transmission breather.

Posted on May 03, 2009

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Chevy avalanche transmission problems


Hello;
Are you getting the check engine light? If so the electronics may have gone out. You may not need a rebuild but you won't know till you pull the oil pan on the transmission and inspect the contents. You may also have lost the neutral safety switch. It is mounted on the drivers side of the transmission. Check those out first and let me know what codes you get.
For Ponchoboy; the clunking and hissing you hear are teminal root causes. Drop the oil pan and if it has a lot of filings and metal it is time for a rebuild.
Hope this helps; Rate me highly;
Rich
RPM Northwest

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Tranny failed '96 Grand Cherokee Orvis Edition


I just had to replace the gov solenoid and sensor in trans.Would do same thing ,feel like someone shifted to neutral.

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