Question about 2003 GMC Sierra 2500HD

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DOES ANYONE KNOW THE FUEL PRESSURE SPECS

FUEL PRESSURE SPEC FOR 2003 SIERRA 2500 DIESEL TRUCK?

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: 94 GMC truck diesel starts,runs and then dies and will not start

I have the same problem and have trouble codes 35 and 36. I found out that there is a computer module that needs replaced as it sits low in a valley and gets hot and seperates. I am reseaching about the a/m fix that installs the new module away from heat.

Posted on Mar 12, 2009

USfalcon
  • 175 Answers

SOURCE: 2003 sierra rear brake rotors

there is many kind of brake system of ur truck here i will send u everything about the brake and i hope its help

Rear Brakes JC3

Rotor Discard Thickness* 18.50 mm/0.728 in Rotor Minimum Allowable Thickness After Refinish 19.0 mm/0.748 in Rotor Thickness (new) 20.0 mm/0.787 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JC4

Rotor Discard Thickness* 28.50 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring1 .50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH2

Rotor Discard Thickness* 28.50 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH6

Rotor Discard Thickness* 27.50 mm/1.082 in Rotor Minimum Allowable Thickness After Refinish 28.0 mm/1.102 in Rotor Thickness (new) 29.0 mm/1.141 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
Rear Brakes JH7

Rotor Discard Thickness* 28.5 mm/1.122 in Rotor Minimum Allowable Thickness After Refinish 29.0 mm/1.142 in Rotor Thickness (new) 30.0 mm/1.181 in Rotor Maximum Allowable Lateral Runout 0.05 mm/0.002 in Rotor Maximum Allowable Scoring 1.50 mm/0.059 in Rotor Maximum Allowable Thickness Variation 0.025 mm/0.001 in
* All brake rotors have a discard dimension cast into them. Replace any rotor that does not meet this Specification. After refinishing the rotor, replace any rotor that does not meet the minimum or discard thickness specifications.

Posted on Mar 15, 2009

  • 1 Answer

SOURCE: We have a 2003 GMC Sierra duramax diesel truck We

i have a 2003 , 2500HD Duramax with 223000km . I was way up in the north country when this started to happen to my truck. I found an old mech. who had to come back into the bush to give a boost because i couldn't start my truck as well. He told me he has seen this before on the 03's. Long story short it was the injectors the dealer replaced all 8 under warrenty. GM sent me a letter later saying they will cover all diesel parts under warrenty for 320,000km and another 6yrs. its your injectors change your oil more often until you get it fixed. To check this park your truck for the day and try starting it if it will not start. Go under the hood and prime the fuel filter (pump until it gets hard) then turn the truck over a little and prime the filter again until hard then start the truck. if this works then get the injectors replaced by GM. This worked for my truck hope it helps. Rick

Posted on Mar 24, 2009

  • 1 Answer

SOURCE: 2003 Dodge Ram 2500 diesel 4x4 wiring diagram

TPIM PROBLEM , MUST HAVE COMPUTER FLASHED AT DEALERSHIP

Posted on Jun 04, 2009

  • 116 Answers

SOURCE: 2003 GMC Sierra Knock sensor and oil pressure??

the knock sensors are located below the intake plenum,or,upper intake manifold as some call it, they screw into the lower intake, the front one is sensor 1, the rear is sensor 2. it is wise to change both if you have some miles.since you are going to be buying a gasket set to do this job.the sensors are cheaper than the gaskets.

Posted on Jun 12, 2009

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