Question about 2004 GMC Envoy

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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 noticed a loud ticking sound coming from the engine. I thought it might have been the lifter not having enough oil around it but it wasn't the case. It usually happened around morning when the engine was cold but now it ticks all the time. It has gotten to the point that people think I have the Disel engine. Took it to GM and they said it is either clutch fan or blown valve. Took it to an oil change place and they connected a code reader to the computer which came up with the code P0014 "b" Camshaft Position - Timing Over Advanced or System performance.. Also the engine light is now on. Do you have any suggestion or previous experience with this particular issue? Thanks Joseph

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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.

Posted on May 27, 2011

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Posted on Jan 02, 2017

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