Question about 2002 Hummer H1

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Where is glow plug relay in 2002 hummer h1 located

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: replacing rear brakes on a hummer h1 2000

ase labor chart shows 3.6 hours normal time for these repairs. avg actual time is 3.5 to 4 hrs and this includes pressure bleeding system.

Posted on May 09, 2009

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  • 474 Answers

SOURCE: TRYING TO LOCATE THE OBD2 CONNECTOR IN A 95 HUMMER

by law all obd2 connecters are to be under the dash on the drivers side about center. maybe a a little left or right of the steering column

Posted on Nov 28, 2009

iambanshee74
  • 3489 Answers

SOURCE: location of fuel water seperator

The fuel/water seperator is located under the hood, driver's side, against the firewall. Black cap and 2 wires going to the bottom. The pump uses an optical sensor so yes, if there was fuel, it would really screw with the system. However, the PMD on these were problematic. This is the control module that is mounted to the side of the injector pump. They have a kit you can purchase to get it away from high heat and will comew with the harness and all to extend it. Would you like a 2003 shop manual for this?

Posted on May 09, 2011

  • 14 Answers

SOURCE: 1998 hummer h1 fuse block location

im no guru on h1s, not yet anyways but there should be two of them. one should be under dash on driver side(look for small door compartment) the second one should be under the hood, most likely driver side. it will also be enclosed. it could possibly have a bolt of electricity emblem on it.
let me know how you come out on this. if im wrong i would be greatful to have the correct info on this topic

Posted on Nov 26, 2011

  • 1 Answer

SOURCE: I have a h1 hummer that will not start i have

Check your PMD (pump mounted driver ). Stanadyne builded million with problems. Have it changed or check the encoder.trust me.

Posted on Jan 02, 2012

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1 Answer

Where is the 2004 Hummer H1 fuel pump relay located?


Most fuel-pump relay units are located under the dashboard near the steering column. In some cases, the unit is located in the area where the steering column is mounted or near the engine's firewall. The end of the fuel pump relay is typically located near the center of the floorboard, under the carpet in the front section of the passenger's or driver's side footwell.----------------------------------------------------------------------------------
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Dec 13, 2012 | 1993 Jaguar XJ6

1 Answer

Location of fuel water seperator on a 2002 h1 hummer / vehical dies out./ cranks but will not run long, idles in park no problem till you drive it around time varies when it cuts out. milage 33,000 thanks...


The fuel/water seperator is located under the hood, driver's side, against the firewall. Black cap and 2 wires going to the bottom. The pump uses an optical sensor so yes, if there was fuel, it would really screw with the system. However, the PMD on these were problematic. This is the control module that is mounted to the side of the injector pump. They have a kit you can purchase to get it away from high heat and will comew with the harness and all to extend it. Would you like a 2003 shop manual for this?

May 07, 2011 | 2002 Hummer H1

1 Answer

TRUCK STARTS BUT THEN DIES


The only fuel filter is in the fuel/water heater/sperator. If it is dying, the glow plug circuit should be checked first. The glow plug light should illuminate for around 10 seconds. The next thing I would check would be the fuel pressure going to the fuel/water seperator. Let me know what you find and if you need diagrams let me know.

Apr 09, 2010 | 2002 Hummer H1

2 Answers

I have a h1 hummer that will not start i have changed the glow plugs and the controler also the box on the injecter pump. I am geting fuel and the glow plugs are working. The hummer has set for a year....


Diesel fuel doesn't go bad like gasoline, at least not as fast. I've been around diesels in construction equipment and sometime a machine will sit for a couple years and still start right up. You have other problems. I don't know that much about the Hummer diesels but, Ford uses a high pressure oil pump to fire the injectors. The main oil pump supplies oil to the high pressure oil pump reservoir and then the high pressure pump supplies oil to the injectors. If Hummer uses a similar system the reservoir may have drained down and there is no oil for the high pressure pump to pump. Ford has plug where a person can fill that reservoir manualy if necessary. Maybe try cranking it some more, don't crank it more than 10-15 seconds at a time. Walk away from it for 10 minutes or so, then try again, make sure you let the glow plugs cycle. If it don't start after a half dozen tries, you may have to have a mechanic look at it. I'm sorry I can't be more help.

Feb 11, 2010 | 2002 Hummer H1

1 Answer

My 2002 H1, bogs out going up hills. What is wrong?


I never had a Hummer but I can tell you a couple of things to check. Make sure your fuel(every 30000 miles) and air filter are new. The other thing,my 2001 monte carlo needed a new catalitic converter at 44000 miles.It was acting like your Hummer. I had a high-flow type installed. Yours and mine are both GM,maybe they use the same type cat. Have someone push down on the gas petal while you feel the exhaust flow coming out of the tail pipe. The flow should increase as the gas petal goes down.
I hope this helps you.

Sep 10, 2009 | 2002 Hummer H1

1 Answer

What is the adverage time to replace H1 brakes 1998 hummer


Depends on your driving habits. One of the best indicaters if you have never added brake fluid is the level in your master cyclinder. Rotors: if you feel a pulsation in the brake pedal under normal breaking.

Sep 06, 2009 | 2002 Hummer H1

1 Answer

Cant figure out which plug leads go where on the coil pack


the hummer h1 have an diesel engine , i think about you never find the spark plugs

Mar 23, 2009 | 2005 Hummer H1

1 Answer

Charging system problem.


go to www.humvee.net or www.flashoffroad.com Both have an extensive data base of tech info

Feb 10, 2009 | 2002 Hummer H1

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