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Gm Tech (Cam)
Gm Tech (Cam), GMC Mechanic
Category: GMC
Satisfied Customers: 1667
Experience:  GM Grand Master Technician 2007. 14 year experience.
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I have a 2007 Yukon Denali with a 6.2..AWD... Is has 115k

Customer Question

I have a 2007 Yukon Denali with a 6.2..AWD... Is has 115k miles... First it seems to run fine no codes and same gas mileage... But has developed a shaky motor and a ticking noise... The shaky or rough idling is only noticeable in the seat of your pants.. and by tach... It will jump slightly... This has grown worse over time... But seems fine... The ticking noise comes and goes.. some times very pronounced from inside vehicle sometimes can barely hear it...is not there at idle...
JA: Is the rough idle intermittent or consistent?
Customer: Consistent, but you can tell it shakes very very little
JA: Are you fixing your Yukon Denali yourself? What have you tried so far?
Customer: Not fixing myself... But took to dealer... Told exhaust leak... Had missing/broken header bolts... They replaced on one side and put on new gasket... But after 2 weeks the ticking came back
JA: Anything else you want the mechanic to know before I connect you?
Customer: That is all I got
Submitted: 2 months ago.
Category: GMC
Expert:  xsvectOR replied 2 months ago.

is it a exhaust tick?

Customer: replied 2 months ago.
I guess...
Expert:  xsvectOR replied 2 months ago.

is the engine light on?

Customer: replied 2 months ago.
No lights, seems to run fine... Just a ticking that will be louder than radio sometimes and then almost non existent other times
Expert:  xsvectOR replied 2 months ago.

is the tick on the right side again?

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