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re: Houston Mechanic Reccommendation? - 2017 Chevy 5.3 ticking

Posted on 3/13/24 at 5:09 pm to
Posted by The Levee
Bat Country
Member since Feb 2006
10989 posts
Posted on 3/13/24 at 5:09 pm to
Mine did this at 100k miles. Like 105,000

Barely out of warranty.

I was quoted around $4k in 2020 because they have to fix them all or you damage cam shaft and it’s basically totaled.

I sold it.

Literally the same truck as you. And I’ve warned others.

PS: a mechanic told me to sell it because he had seen it with almost every 5.3L Chevy from that year. I straight up told the dealership salesman that sold it to me…that he sold me a lemon. He just put his head down.

Also, when I sold it, I traded it Toyota Slidell for full carmax value without the lifter cost. Tells you how much it would cost them to fix it in house.
This post was edited on 3/13/24 at 5:20 pm
Posted by KemoSabe65
70605
Member since Mar 2018
5466 posts
Posted on 3/13/24 at 6:12 pm to
That’s why the gmc &. Chevy dealers are offering lifetime power train warranties.
Posted by bapple
Capital City
Member since Oct 2010
12014 posts
Posted on 3/13/24 at 10:17 pm to
I actually just got my 2018 Yukon Denali back from getting a full AFM/DOD delete last week. I plan to do a larger writeup about it but if it's a simple tick, it could be one of your standard lifters. However, if the tick becomes a tap and you get a cylinder misfire warning light, you have a collapsed AFM/DOD lifter that will remain collapsed until you have someone pull the heads and get it out. Here's comparison to a normal hydraulic roller lifter versus a AFM/DOD:



I bought that Yukon with 97k miles on it (in fantastic shape) and knew those lifters are just ticking timebombs and a question of when they will actually collapse and not come back. So, I bought an AFM/DOD delete kit from AMS Racing and it included a Brian Tooley Racing camshaft and lifters of your choice. The truck runs great and the engine should go the long haul like I plan to use it.

https://www.amsracing.net/collections/gm-afm-dod-kits/products/2014-current-gm-chevy-gen-v-l83-5-3l-complete-active-fuel-management-afm-dod-delete-kit-1
This post was edited on 3/13/24 at 10:19 pm
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