Duramax Diesels Forum Truck of the Week
  #1  
Old 06-04-2018, 07:51 PM
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Default AFM junk

On a rant lol. Got another AFM gm junk motor in the shop. Lifter turned sideways EVEN though GM put a plastic holder in place to hold them. WTF
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Old 06-05-2018, 06:23 AM
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Yes, AFM/DOD is crap. Your lifters/cam will fail, it's just a matter of when.

We are in the process of doing an AFM/DOD delete, as well as twin turbos on a buddies Pontiac G8 GT.
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Old 06-05-2018, 06:49 AM
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How many miles before you guys are starting to see failures? Whatís a delete consist of just new lifters? Cost?
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Old 06-05-2018, 07:01 AM
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And what range of years seem to be the most worst for this issue?
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Old 06-05-2018, 07:26 AM
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Quote:
Originally Posted by LBZ View Post
And what range of years seem to be the most worst for this issue?
earlier years will be worse off than the newer stuff but they all eventually do it. have not seen a LT engine do it but then again, i have not looked to see if any have failed.
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Old 06-05-2018, 07:44 AM
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Well hopefully the LT engines are a little bit better. My wifeís 2007 Tahoe is just over 100,000 now and she isnít interested in replacing it with something else.


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Old 06-05-2018, 07:57 AM
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Wonder how bad that new 2.7 I4 is going to be
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