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04 gmc envory magor vacume line leak - 2004 GMC Envoy

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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

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  • 3289 Answers

SOURCE: gmc envory gauges goes off while driving and cuts

If you are under warranty, these will be covered for repair. Otherwise:

The mechanical gauges for the tach, speedo, fuel, etc. are all controlled by small stepper motors soldered in place on the circuit board of the dashboard cluster. They can become stuck in an arbitrary position, or indicate values significantly above or below actual levels when driving, parked and with the key on or off. If these sound like your symptoms, read on. Otherwise, you may have a different problem.

Your dealer will tell you it's $300+ to replace the cluster, plus labor to install and program it. If you can use a socket wrench (or simple nut driver) and a low wattage (20 to 30 watt) soldering iron, you can save yourself literally hundreds of dollars.

The parts you need are available on eBay. Search "X25168" (the part number of the stepper motor). They're under $3 each. I replaced a single motor in a little over an hour - from dash removal and repair to re-installation. You might want to replace the dashboard cluster lamps, while you're at it. When I completed this job, I found that 3 lamps no longer lit up. They're on all the time and as a result, the filament is pretty brittle. Try as you might, you'll probably not be able to prevent one or two from failing. The people that offer the stepper motors on eBay also sell the lamps - check their "store". You can combine them with the motors in the order to save a few bucks on the shipping. I'm waiting for my lamps to arrive.

You can learn how to make the repairs (complete with photos) on this page (visible after free registration):

http://forums.trailvoy.com/showthread.php?t=48886

This site has tons of information that is very helpful to owners of the GMC Envoy and Chevy Trailblazer and I highly recommend it.

I hope this was helpful!

Posted on Nov 12, 2009

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kirkx
  • 2019 Answers

SOURCE: 1998 gmc sonoma 4 wheel drive not working. Front

Watch what clinks?
You should see the vacuum servo move the linkage. The servo could have a leak. You can connect your own hose to the servo temporarily, and simply **** on it, then plug it with your tongue. After about 15 seconds, if it holds that vacuum, then no leaks.
The linkage could also be binding. Transfer case could also be binding. Try helping the servo by hand. Careful when under the vehicle. Chock wheels and make sure in neutral while underneath.

Posted on Mar 04, 2010

Testimonial: "Would like to say hit my problem on the money checked actuator diaphram was torn so fifty dollars and 40 min later problem fixed . Thanks ."

  • 975 Answers

SOURCE: i have a 99 gmc

Have an assistant blow cigarette smoke in the end of the line and look for the leak under the dash,
Thinking that goes either to the brake light switch or the heater control

Posted on Sep 18, 2011

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1 Answer

Pulled tbi cleaned carbon build up from pvc port replaced base plate gasket now engine wants to idle extremly high


Sounds like u may of forgot a vacume line a good way to find a vacume leak is to start car take a can of carb cleaner and spray it around intake and vacume lines if there's a leak motor will race as long as u keep spraing

Feb 22, 2014 | 1992 GMC Jimmy

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Plugs and wires? Possibly another vacuum leak? don-ohio

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I have a 99 gmc sanoma there is a vacume leak some wears there is a vacume line running throu the driver side finder well and i dont know wear it goes


Have an assistant blow cigarette smoke in the end of the line and look for the leak under the dash,
Thinking that goes either to the brake light switch or the heater control

Sep 16, 2011 | 1999 GMC Sonoma

2 Answers

My heater will only blow out of the dash vents and won't move to floor or defrosters. Many have said to change the vacuum hoses. Can anybody tell me where to find them? Do I need to take apart the dash?


Heater flap works on vacum lines. My jimmy had same problem. Found out flap broke inside heater core. Gmc had a default. If something breaks it goes to defrost as safety precaution. Or a vacum leak in a hose to heater.

Nov 22, 2010 | 2001 GMC Jimmy

1 Answer

1998 gmc sonoma 4 wheel drive not working. Front axles clink when button pushed. Transfer drive shaft not turning when jacked up . Don't see any vacume leaks on switch and vacume lines not filled with...


Watch what clinks?
You should see the vacuum servo move the linkage. The servo could have a leak. You can connect your own hose to the servo temporarily, and simply **** on it, then plug it with your tongue. After about 15 seconds, if it holds that vacuum, then no leaks.
The linkage could also be binding. Transfer case could also be binding. Try helping the servo by hand. Careful when under the vehicle. Chock wheels and make sure in neutral while underneath.

Mar 04, 2010 | 1999 GMC Sonoma

2 Answers

My 99 suburban idles at 1000 rpm in park with a new TPS at operating temp. What is the factory idle setting? how do I adjust rpm?


There no adjustment for idle, control by computer, TPS reading should be .50 volt's, you could have a vacum leak, check vacum line and check for vacum leak at base of intake manifold.

Jan 21, 2010 | 1999 GMC Suburban

1 Answer

Idle problem when brakes applied


Sounds like you have a vacume leak on your brake booster ....with engine running have someone press the brake while you listen on the driver side by the master cylinder the large vacume line going to the booster behind the master cylinder is most likely the vacume leak...and if so you can get what you need at your local parts store ...

Nov 20, 2009 | 2004 GMC Sierra 1500 Crew Cab

1 Answer

Having a 4 low problem


A common problem for the Jimmys and the Blazers with electironic 4 wheel drive is for their to be a vacume leak in one of the lines. Try replaceing all vacume lines to any component on the 4 wheel drive. this should fix ya.

Please contact me if your problem presists.

Thanks, Charlie

Jan 29, 2009 | 2000 GMC Jimmy

1 Answer

Running rich and lean


the codes ur getting will be thrown by a vacume leak make sure u dont have a vacume line leaking or split also check ur pcv valve for clogging

Jun 18, 2008 | 1995 GMC Safari

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