Question about 2003 GMC Envoy

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1 have 03 envoy,6cyl,have replaced viscouis fan,fan still runs a lot, dealer has checked twice all ok

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  • GMC Master
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Do you have the check engine light on? If a fault code of P1481 or P1484 is coming up with a scanner, the fan clutch is bad.

Posted on Sep 30, 2010

  • fredmcgowan
    fredmcgowan Jul 24, 2014

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1 Answer

My 03 gmc envoy will not go in reverse it seems fine going forward help


Is the check engine light on ? Usually a solenoid or valve body problem.

Aug 02, 2012 | 2003 GMC Envoy Xl

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2002 gmc envoy is over heating have changed the thermostate and the put new radiator but its still over heating any suggestions


Have the FAN CLUTCH checked. they are a common failure. Get a AC DELCO or the part from the dealer. Why was the radiator replaced? Heater work OK? A/C works OK?

Sep 22, 2011 | 2002 GMC Envoy

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2004 gmc envoy. has a 6cyl and a serp belt. the center pully off set to the left (i think its a water pump) has a bad wobble and making a horrible noise. Not over heating and no leaks. should i just change...


If the fan is attached to it than it is the water pump making the noise and it will need to be replaced. If the fan clutch is not attached to it than it is either the idler pulley or the tensioner pulley. The tensioner is on the passenger side (left) of the front of the motor.

Oct 07, 2010 | 2004 GMC Envoy

1 Answer

I replaced the fan clutch and it was fine for like 3 munths now the light is on again im thinking its the ecu its a 03 gmc evoy inline 6. thanks the code is p1481 thanks


There a lot of aftermarket fan clutches out there that just don't hold up. Purchase either a GM part or a Dorman replacement.

Sep 13, 2010 | 2003 GMC Envoy

2 Answers

2004 envoy 4.2 6cyl. runs rough. had a new


take the breather off and take a 10 mm socket to take the coil off easy to get to then take a 5/8 plug socket to take out plugs easy to get to,

Jan 03, 2010 | 2003 GMC Envoy Xl

1 Answer

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your fuel pressure regulator is bad, replace it!!!

Aug 15, 2009 | 2005 GMC Envoy

3 Answers

Gas gauge problems


Common problem on the 03-06 Envoy instrument clusters for the fuel gauge to go out. It's usually caused by one of two main problems, either the stepper motor on the cluster's circuit board is going out or the sending unit on the fuel pump is going out. Check out this blog post about the problem - Envoy fuel gauge problems

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1 Answer

My 2003 GMC Envoy tachometer is reading 5-7000 rpm at idle and sweeps off the scale when driving.


I see this a lot on the 03-06 Envoy instrument clusters, it's caused by failing stepper motors on the cluster's circuit board. It can be fixed though, check out this page about how to get it fixed - Envoy tachometer not working

Jun 07, 2009 | 2003 GMC Envoy

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