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I have a 2002 GMC 4.3 vortec envoy just changed the seal on the front of motor to stop leaking oil what else could it be

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  • GMC Master
  • 3,828 Answers

IS the leak at the front

was the area all cleaned down after the work
looking at the youtube teardown
sump gasket , rocker cover gaskets
or rear engine seal
if its burning oil the valve stem seals and or piston rings
https://www.youtube.com/watch?v=-gkxF7wKIdk

Posted on May 06, 2016

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6 Suggested Answers

6ya6ya

6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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Patrick Dennehy

  • 104 Answers

SOURCE: Need firing order diagram for 2002 gmc envoy

one, five, three, six, two, four

The plastic intake should have this sequence molded into it somewhere, and even the corresponding cylinder numbers in front of their respective holes. Have fun, and thanks for posting on Fixya.com

Posted on Mar 20, 2009

Anonymous

  • 1077 Answers

SOURCE: I need to know how

It would be to hard to tell and show you over the computer.
The best and easiest way for you is to buy a Chilton manual for your car at the autoparts store. The book runs about $20
This book is a do-it-yourself bible. It will show you everything you need to know on how to do maintenance and repair on your vehicle.

Posted on Apr 13, 2009

Anonymous

  • 95 Answers

SOURCE: My 2002 Gmc Envoy is stuck in 4wheel low. I

Try disconnecting the battery for a few minutes, that might get you out of trouble for now. There are some common problems with these 4wd systems. Most common is the mode position sensor on the encoder motor. Sometimes it can be the switch on the dash. Fact of the matter is I can't tell you what is wrong without using a scantool to retrieve the fault codes from the computer controlling the 4wd.

Posted on Oct 16, 2009

emissionwiz

Marvin

  • 85206 Answers

SOURCE: what is the best type of motor oil for 2004 GMC

this engine calls for any major brand 5W20W (I prefer Valvoline), in very hot climates u can use 10W30W, but no heavier.

Posted on Jun 04, 2010

nampaboat

nampaboat

  • 150 Answers

SOURCE: how to reset change oil

On a 2002 Envoy you turn the key to run but don't start it. Then push and release the gas pedal 3 times within 5 seconds. The change engine oil light should blink for 5 seconds meaning you have reset the system. If it doesn't blink for you do the procedure again.


Posted on Feb 08, 2011

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Where is the oil pump located on a 2002 GMC Envoy?


Inside the oil pan. It is driven from the cam gear.

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Keith the seals will need replaced, take into a shop and have a tech give estimate for repair. Check the attached links,instruction and guides, Good luck
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2002 gmc envoy leaking out back by rear tire on passenger side


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Apr 11, 2016 | GMC Cars & Trucks

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Engine is ticking/knocking 2003gmc envoy inline 6 vortec any known problems,or just normal vortec tick?


<shrugs> yes and no, maybe

put up a youtube video on it

main thing is your check engine light on or any trouble codes?

oil changes and keep en eye on the level; too low and / or dirtly oil may exhibit more noise than normal

Apr 01, 2015 | 2003 GMC Envoy

1 Answer

I have 2002 gmc envoy, oil pressure low, stop engine warning only comes on when i stop on a hill?


The pressure regulator in the oil pump may not be working, the idle speed may be too low and there may be a lot of wear on internal engine parts lowering oil pressure

May 30, 2014 | 2002 GMC Envoy

1 Answer

Get this message on my 2002 GMC envoy "low oil pressure stop engine" turn truck off and restart and everything is fine. this started after my oil change.


try to reset the computer by cycleing the key on an off 3 times, if this light continues to come on check the oil level could have simply not added enough oil

Feb 09, 2011 | 2002 GMC Envoy

1 Answer

Vortec 4.3 engine v6 oil leaking about one quart a week. could it only be the oil pan leaking?


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Feb 07, 2011 | GMC Jimmy Cars & Trucks

1 Answer

Location of coolant temperature sensor on 2003 GMC Envoy, Vortec 4.2?


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Feb 24, 2010 | 2002 GMC Envoy XL

1 Answer

Gmc envoy 2002 recomennded oil type?


The overwhelming response on GM Envoy forums is Mobil 1 Synthetic motor oil.

The recommend includes using Mobil 1 0W-40 all year. It will give you outstanding protection at low ambient temperatures as well as at high operating temperatures.

Envoy enthusiasts also recommend K&N or Mobil 1 Extended Performan oil filters.

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