Question about 2004 Chevrolet Silverado 2500HD

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Why is allison transmission on my 2004 duramax getting hot

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  • Chevrolet Master
  • 14,585 Answers

Cooler lines may need flushed out. Also check to make sure the radiator is clean on the front. If you have an extra cooler for the transmission make sure that is clean also. If you don't have the extra cooler, it would be a good time to add one.

Posted on Jun 08, 2014

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6ya6ya
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Posted on Jan 02, 2017

inkedsgt
  • 359 Answers

SOURCE: 2005 Duramax with Allison. Torque Converter stays

there is a solenoid that turns it on and off, it (the lock up part) works by pressure. There is not a magic switch or valve that will turn it off. Most of the time a new torque converter is the only fix, but not always. Allison is a different bird than the GM trans. GM let us fix that at the dealer Allison would have us pull it and replace it.

Posted on Jul 31, 2009

  • 52 Answers

SOURCE: 01 duramax allison changed fluid and filters now in limp mode

Make sure you have the proper amount of tranny fluild in it and get that Valvoline fluid out of it. Allison transmissons have there own type of tranny fluid and you want to use it. You can buy the right stuff from a Allison dealer. Most Detroit Diesel dealers are also Allison dealers. Look them up in your phone book and they will tell you the quanity and sell you five gallon pails of the fluid. Just get the serial number off of the side of the transmisson before you call. Change the fliters again too. Believe me, this is important. My company has Yard horses with Allison transmissions and you don't want to screw with the small stuff. Service them right and they work as hard as you want.

Posted on Aug 09, 2009

  • 142 Answers

SOURCE: Transmission Slippage

check the transfer case, the chain maybe slipping i had this problem and it only got worse

Posted on Sep 23, 2009

wilsodfarm
  • 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

  • 400 Answers

SOURCE: 2004 silverado, duramax and allison transmission,

What kinda batteries do you got? Are the cables any good? Sounds to me like a power/ground issuse. Either that or you have to small of batteries to crank over a high compession enigne when it's cold, with the glow plugs, and heater grid pulling all of the power from the batteries.
And check the trans fluid level for your problem with the trans.
And you're gonna need to be a little more specific on the thunping noise.

Posted on Dec 10, 2009

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What kinda batteries do you got? Are the cables any good? Sounds to me like a power/ground issuse. Either that or you have to small of batteries to crank over a high compession enigne when it's cold, with the glow plugs, and heater grid pulling all of the power from the batteries.
And check the trans fluid level for your problem with the trans.
And you're gonna need to be a little more specific on the thunping noise.

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01 duramax allison changed fluid and filters now in limp mode


Make sure you have the proper amount of tranny fluild in it and get that Valvoline fluid out of it. Allison transmissons have there own type of tranny fluid and you want to use it. You can buy the right stuff from a Allison dealer. Most Detroit Diesel dealers are also Allison dealers. Look them up in your phone book and they will tell you the quanity and sell you five gallon pails of the fluid. Just get the serial number off of the side of the transmisson before you call. Change the fliters again too. Believe me, this is important. My company has Yard horses with Allison transmissions and you don't want to screw with the small stuff. Service them right and they work as hard as you want.

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Where are the computer's on a 2004 2500hd duramax


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