Question about 2003 GMC Envoy

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

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  • GMC Master
  • 531 Answers

<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

Posted on Apr 01, 2015

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Posted on Jan 02, 2017

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  • 83 Answers

SOURCE: ticking noise coming from my 2004 envoy

like ticking while idling try unplugging eletric fan clutch harness to see if it goes away if it does replace fan clutch and its called a viscuss clutch fan.

Posted on Jan 03, 2009

cbcs2008
  • 46 Answers

SOURCE: FAN WOBBLES AND MAKES NOISE?

Water pump is going out and that is the first thing that happens

Posted on Jan 20, 2009

  • 56 Answers

SOURCE: Ticking sound

Gm will tell you this is normal lifter noise if it from the top of the motor. It could be from the exhaust but you would hear it from under the car more. I do not care for the responce from GM but they say it is ok.

Posted on Mar 01, 2009

wyno62
  • 364 Answers

SOURCE: 454 vortec has ticking noise from what seems to be

this may also be a result of clogged injectors, buy a $8 bottle of injector cleaner and try that, its the cheapest fix to start with. Good luck

Posted on Nov 20, 2009

  • 432 Answers

SOURCE: when cranked: ticking noise, low oil pressure

I have a 2002 with 130,000 and it ticks,but goes away after 2 min,if yours continues to tick you may have a rocker arm that is getting lose or a lifter that is not pumping up.

Posted on Jan 22, 2010

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1 Answer

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Assuming the engine oil level is normal, knocking would be lack of oil on the bearings and ticking would be lack of oil for the lifters and valves. I would be checking oil pressure next.

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I have a 2004 GMC Envoy XUV with 127000 on it. The vehicle has been maintained and services better than any of my previous vehicles so this specific issue is just driving me crazy. About a week ago I...


These engines are known for ticking fan clutches. If the ticking doesnt significantly increase with the engine revving, it may be the fan clutch. The clicking usually happens momentarily and dissipates, and increases only to a certain engine speed. If its an internal mechanical issue, ticking will increase simultaneously with the engine speed increase.

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The engine is probably making a knocking sound because the oil needs to be changed or replaced. The check engine light is indicating that you will need regular dealership servicing soon, however you can still drive the vehicle but depending on mileage it will determine what services are required.

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1 Answer

Ticking sound


Gm will tell you this is normal lifter noise if it from the top of the motor. It could be from the exhaust but you would hear it from under the car more. I do not care for the responce from GM but they say it is ok.

Mar 01, 2009 | 2003 GMC Envoy Xl

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Loud Ticking/knocking Noise From motor; What is it?????


could be yur water pump going do you leak anti freeze or oil? also if a older model could be ot of timeing check your distributor cap and see if its loose
good luck

Jan 21, 2009 | 1996 GMC Jimmy

1 Answer

1992 side kick


problem here is a ticking to one is a knock or a tap or a thud ect to others so of my experiance with engines if its a ticking that gets louder with the engine getting warmer its got to be the tappets its the only thing that would get louder if it gets louder when accelerating it could be ignition timming causes pinking most other things on engines that cause ticking sounds could be something catching fuel pumps cause a ticking noise but are not normally affected by engine temp yates210456

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