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Yukon XL 2015 SLT 5.3 RWD 92,000 miles - Engine shutters at…

Yukon XL 2015 SLT 5.3...
Yukon XL 2015 SLT 5.3 RWD 92,000 miles - Engine shutters at idle. Shutters in park or in gear. No Codes, No Pending codes, so change in fuel mileage. Has been to Dealer twice fro this issue. Last visit motor mounts were replaced. Has done this since new purchase, original shuttered every once in awhile. Now - pretty much al the time. Any suggestions?
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Answered in 10 minutes by:
3/23/2018
Todd Audette
Todd Audette, A.S.E Certified Master Technician
Category: GMC
Satisfied Customers: 427
Experience: GMC Technician
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Hello, my name is***** to Just Answer! I will be assisting you with all of your vehicle questions today. Give me a few minutes to review your question and i will be back with your answer or a few questions

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When was the last time the mounts were replaced

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The reason i ask about when the mounts were last changed is because new design mounts were released in June 2017

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Customer reply replied 3 months ago
They were replaced December 2017

Do you have a receipt with the part numbers so i can see if they installed the updated mounts

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Customer reply replied 3 months ago
I will locate and forward. Thanks!

Okay

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These are the Part numbers they should be......Right mount # 84175582.....Left # 84175583

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What Happened I never heard back from you

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Customer reply replied 3 months ago
Could not locate the paperwork. Dealership will forward to me today and I will get back to you sir. Thanks,

I may be able to get that info on my own if you can give me your VIN

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Customer reply replied 3 months ago
1GKS1HKC0FR618665

They did put the updated mounts in it...Keep in mind that due to the firing pulses of these engines, it may not feel as smooth as what you are used to which is normal

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Customer reply replied 3 months ago
it is Normal? Caused from Variable Displacement? Truck will be out of W tended warranty soon, wanted to make sure there is nothing else to look for... Thanks

Yes it is normal....your bumper to bumper warranty runs out in May.....but your Powertrain coverage is good until 2020....This is your vehicle inquiry. Look at the Highlighted areas

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If you need more help please use the reply tab to continue. Please take a moment to rate my answers by clicking on the stars at the top of the page, and leave a 5 Star rating. That's how I get compensated here at Just Answer. If you need more help, just let me know, I am happy to follow up.

Todd Audette
Todd Audette, A.S.E Certified Master Technician
Category: GMC
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Experience: GMC Technician
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Customer reply replied 3 months ago
But I have extended bumper to bumper warranty thru selling dealer. Appreciate all your help.

Thanks for the 5 Star and the Bonus....Greatly appreciated

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