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If put my 07 gmc 3500 HD into park while moving what would fail in the Allison

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Did you not learn how to drive. Park is for when your stopped. If you didnt destroy the internals or break the case. You may have destroyed the parking paw or the locking gear

Posted on Oct 12, 2019

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QUITE POSSIBLY EVERY THING

Posted on Oct 12, 2019

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

SOURCE: 02 gmc allison tran. wont go into tow-haul mode

THERE HAVE BEEN ALOT OF PLOBLEMS WITH THE SHIFTER HANDLE/SWITCH. THE BEST WAY TO VERIFY CONCERN IS USE A DIAG. SCANNER & VIEW TRANSMISSION DATA DISPLAY WHILE ENGINE RUNNING. THE SWITCH IN THE SHIFTER IS FAULTY. IF YOU SEE NO INPUT CHANGE WHILE DEPRESSING SWITCH THIS IS YOUR CONCERN.

Posted on Nov 08, 2008

mcgyver468

Mark L. Roberts Jr.

  • 710 Answers

SOURCE: allison tranny shifts

No, have you changed the spin-on filter om the transmission yet? This may be the only trouble. I hope this helps. Good luck.

Posted on Apr 28, 2009

sodeep

Sudeep Chatterjee

  • 3267 Answers

SOURCE: I NEED A REPAIR MANUAL FOR A 202 GMC SIERRA 2500

Well the tchnical specs are available at
http://www.google.co.in/url?sa=t&source=web&ct=res&cd=9&url=http%3A%2F%2Fmedia.gm.com%2Fdivision%2F2004_prodinfo%2Fgmc%2Fpdf%2F04_GMC_Fleet.pdf&ei=VnjLSuPiNJze6AOg_JH9Ag&usg=AFQjCNFGSInnhC-fLTlqFE7yekGDKtwNCA&sig2=4uWnjikXApamQW-bb26Twg
However 202 I have assumed to be 2002 & if so then download the Users manual and trouble shooting tip from this site:
http://safemanuals.com/user-guide-instructions-owner-manual/GMC/SIERRA%202002. I hope this is what you are looking for...sodeep

Posted on Oct 06, 2009

wilsodfarm

Donnie Wilson

  • 986 Answers

SOURCE: 2006 chevy truck 3500 hd duramax diesel with an

658 is a unknown code on the list,is your active or inactive,iif inactive I would not worry about it

Posted on Nov 03, 2009

mabpest

Mark Brown

  • 1152 Answers

SOURCE: i have a gmc 2500

http://www.makcotransmissionparts.com/Chevrolet-GMC.html
you are stuck with the Allison 1000 tranny.

Posted on Feb 11, 2011

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1989 gmc 2500 hd keeps locking up when put in park have to rock the vehicle and it will shift out of park


The best way to help in this is set the ebrake everytime you stop before letting your foot off the brake. It sounds like the pawl in the transmission that sets when you put the vehicle in park to keep the internals in the transmission from moving, has excess pressure on it. Possibly due to parking on an incline. Make sure your rear brakes are adjusted up properly so when you set the ebrake it will keep the vehicle from rolling and putting excess pressure on the pawl. Good luck and let me know how it goes.

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I have 2001 gmc sierra 3500 with the allison trans.i was out driving in the snow for about 2 hours the truck drove fine the first thing that happen was some of my dashboard lights came on "check...


Yes your only option is to have a OBD 2 scan completed to find the fault codes that are causing your truck to malfunction.Most garages charge $25.00 up to a hundred for this this is your only option now.

Dec 27, 2010 | 2000 GMC Sierra 3500

1 Answer

Allison tranny shifts


No, have you changed the spin-on filter om the transmission yet? This may be the only trouble. I hope this helps. Good luck.

Apr 28, 2009 | 2001 GMC Sierra 2500HD

1 Answer

02 gmc allison tran. wont go into tow-haul mode


THERE HAVE BEEN ALOT OF PLOBLEMS WITH THE SHIFTER HANDLE/SWITCH. THE BEST WAY TO VERIFY CONCERN IS USE A DIAG. SCANNER & VIEW TRANSMISSION DATA DISPLAY WHILE ENGINE RUNNING. THE SWITCH IN THE SHIFTER IS FAULTY. IF YOU SEE NO INPUT CHANGE WHILE DEPRESSING SWITCH THIS IS YOUR CONCERN.

Nov 08, 2008 | 2002 GMC Sierra 2500HD

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