Question about 2002 GMC Envoy

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Is there a place to check the differential fluid in the front end of a 2002 gmc envoy

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$wheel Drive If so there is a 3/8 ratchet dive just put the ratchet no sockety into it and turn

Posted on Jun 21, 2009


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Can a bad deferential cause steering issue on 2002 envoy

I am assuming your mechanic was refering to the front differential and your vehicle is 4x4. If the vehicle is in 4x4 all the time you may notice a " hopping " feeling on corners from the front wheels. Otherwise, the differential should not cause steering issues. What type of problem is the vehicle experiencing that concerns you and would lead your mechanic to assess a bad diff?

Jan 20, 2016 | 2002 GMC Envoy


How To Install Differential Cover Fluid Chevy Trailblazer GMC Envoy 02-09...

<a href="">How To Install Replace Rear Differential Cover Fluid Chevy Trailblazer GMC Envoy 02-09</a><br /><br /><utube src="NktjOhKMhJ8"><br />

on Jun 09, 2011 | Chevrolet TrailBlazer Cars & Trucks

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When I switch my 2002 envoy into 4wd it does not engage and 4wd service light comes on? How can I fix this problem as it worked fine before

This problem could be the Transfer Case actuator/motor or the spline disconnect assembly at the front differential, or a bad Transfer Case Control Module. The other important maintenance action that needs to happen every 50K miles is the transfer case fluid needs to be changed.
Repair of these item is probably not for a unintiated DIY'r.

Jan 21, 2013 | 2002 GMC Envoy

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This requires you nearly overhaul the entire differential minus the ring and pinion, all bearing must be replaced as the metal from the failed one has damaged the others three bearings and they will fail shortly. This job requires many special tools including a hydraulic press, remove the entire unit and have a shop rebuilt it to save money.

Jul 25, 2012 | 2004 GMC Envoy

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What do you think about replace the differential gear grease in a 2004 GMC Envoy?

The front and rear differential fluid should be changed somewhere around the 75K to 100K mile area. Use a good quality synthetic gear lube fluid, 95W.

Nov 14, 2010 | 2004 GMC Envoy

1 Answer

I am looking for a front end schematic for the differential for my 2004 GMC Envoy on line.

Go to, they have parts breakdown diagrams and part numbers.

Sep 27, 2010 | 2004 GMC Envoy

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How do I remove the pin from the rear differential in my 2002 GMC Envoy SLT. It seems to be welded in!

on the end of the center pin there should be a screw coming in from the passenger side of the diff. that needs to come out first.

Feb 05, 2010 | 2002 GMC Envoy

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I have a 2002 GMC envoy, when I come to a stop about 2 ft. from dead stop my front end thunks.

my envoy was doing this too, i went all through my brakes and it still did it, i noticed a bad tie rod end and after i changed it and had an alignment done i dont hear it anymore, so check tie rod ends for play and also check the sway bar end links

Nov 08, 2009 | 2002 GMC Envoy

2 Answers

What does it mean when the Service 4 wheel drive light come on?

What does it mean when the Service 4 wheel drive light come on?

Nov 05, 2009 | 2003 GMC Envoy

1 Answer

My 2002 GMC Envoy transmission slips into neutral

try adding fluid and if still slipping neeed to have it checked could just need a fluid change

Oct 15, 2009 | 2002 GMC Envoy

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