Question about Chevrolet Silverado 2500HD

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2003 silverado 2500hd 4l80E TCM location

4l80E trans w/electronic tow, Magnuson Supercharger, 3" high flow cats, shorty headers

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

SOURCE: 2005 2500hd silverado 4x4 factory

you have to put the fuse in to make it hot

Posted on Aug 12, 2008

  • 341 Answers

SOURCE: 1991 CHEVROLET SILVERADO 2500HD 7.4 Litre 4x4 tow capacity

you can pull the boat no problem. as putting in a 6.2 for the 454 you will need to change wire harness inside and out..im the brake booster...... the gear ratio in the rear ends ..fuel pump ..im guessing you have a truck you will be using for parts.. if you are doing for fuel mileage you will be disappointed you will only gain a couple of mpg .. hopes this helps

Posted on Dec 08, 2008

  • 508 Answers

SOURCE: locate the oil sending unit on a 2003 6.0 2500HD silverado

You will find it down by the oil filter.

Posted on Feb 07, 2009

  • 104 Answers

SOURCE: I have a 2003 Chevy Silverado 2500HD. When I

heated seat eliment needs replaced. or unplog

Posted on Apr 01, 2010

c17hydro
  • 2984 Answers

SOURCE: 2003 CHEVROLET SILVERADO 2500HD 6.0

4.8L, 5.3L & 6.0L Engines

  1. Remove the air inlet duct.
  2. Drain the cooling system.
  3. Remove the radiator outlet hose.
  4. Remove the thermostat housing bolts.
  5. Remove the thermostat from the water pump housing.

The O-ring seal is integral to the thermostat housing



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Thermostat housing-4.8L, 5.3L and 6.0L engines


To install:

  1. Install the thermostat to the water pump housing making sure the spring side is inserted into the engine.
  2. Install the bolts.
    • Tighten the bolts to 11 ft. lbs. (15 Nm).
  3. Install the radiator outlet hose.
  4. Fill the cooling system.
  5. Install the air inlet duct.
  6. Test the system for leaks.
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Posted on Nov 13, 2010

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1 Answer

What is the best programmer for towing with my 05 silverado 6.0 2500hd


ppe makes the best tuner for a duramax, just dont push it too high unless you are ready to rebuild the trans and make sure you install at least a hundred gph lift pump along with it, a must for towing.

Mar 13, 2011 | 2005 Chevrolet Silverado 2500HD 2WD

2 Answers

4l80e trans.had no overdrive,replaced unit with reman. same problem


The shifting, including that of the overdrive is computer controlled. It's even possible that the tow/haul feature has been activated through short, or such. The tow/haul function deactivates the overdrive, and raises the pump pressure in the transmission, causing it to shift harder and at different points. You might want to look into these.

Feb 21, 2010 | 2001 Chevrolet Silverado 2500HD

1 Answer

2003 silvrerado 2500hd speedometer stay wide open when it no key


Fortinf7, this is unfortunately a known issue GM vehicles. I do want to let you know that we at The Electronics Guru LLC., offer a solution to repair your gauge/gauges for a QUARTER of the dealer's price! If you or anyone else you know has a defective gauge, I highly recommend looking at our website. www.UrGaugeRepairGuy.com Please don't hesitate to ask if you have anymore questions.
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Kevin
The Electronics Guru
www.UrGaugeRepairGuy.com

Feb 08, 2010 | 2003 Chevrolet Silverado 2500HD

3 Answers

Rpm gauge, speedometer, & other gauges completely erratic. 2003 Chevrolet 2500HD, Duramax engine, Allison Transmission. 4WD Crew Cab, Long Bed


This model always this problem, usually after about 90,000 miles and the other instruments will eventually follow. There are companies that will repair this for you just use google (instrumentclusters.com) to find them. I was charged 185.00 for the repair... GM wanted over 500.00!

Jan 22, 2010 | 2003 Chevrolet Silverado 2500HD

2 Answers

Have 2001 chevy 2500hd with a code 0700 bad tcm. can you tell me where it is and how much do they run.


P0700=Transmission Control System (MIL Request)
Does not mean bad TCM,=transmission control modual,
all that happen here was the computer did not like the responce it got from a sensor,and requested the check engine light be turned on.
You need to have it scanned by a shop if it reappears

Dec 25, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

Chevrolet hd 2500 4wd with 4l80E transmission will shift hard and sometimes on cold start it will not move . Also one time on start up the brake light and abs light stayed on and after shutting off the key...


has the fluid and trans filter been changed? this is due every 60,000 miles or sooner if used for towing, many times worn out friction modifiers in the fluid can cause this harsh shift problem.

Aug 05, 2009 | 2003 Chevrolet Silverado 2500HD

1 Answer

2003 silverado chevvy 2500 HD


Automatic trans? Sounds to me like the trans is either busted up or damaged in such a way that the gearing won't rotate or things are binding internally. With the drive shaft off, transfercase in 2WD, and trans in anything but PARK, the driveshaft should be able to turn by hand. Of, course, a drop of the pan can also give a indication. When gears bust up in a 4L80E, there is evidence.

Apr 07, 2009 | 2003 Chevrolet Silverado 2500HD

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