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BigDogYJ replied to the thread My 2013 Yukon XL 1500.And Just for the record it had a bunch of little things that needed attention that I've taken care of: - Rear defroster glass tab broken... -
BigDogYJ replied to the thread My 2013 Yukon XL 1500.Good news! It passed with the Evap monitoring test still pending. apparently as long as all the others have passed with no DTC's and...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Unfortunately the way those AFM disablers work is to cause an interference with the monitoring tests and when a code appears in the...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.haha. Needless to say it runs a LOT better now.
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Forgot to include I replaced the spark plugs. 3 different brands and likely 3 different ages. Some worse than others.
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Ok got it tore all apart again. Lifter only too two small taps to pop free. Got it all back together. Took about 4 hours from start...
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The main reason that the lifters collapse is because the VLOM solenoids get out of time. It is SOP to replace the VLOM whenever an AFM...
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Nice work on the lifter!! Way beyond my skill set under the hood! I’m impressed! Hopefully you can get it to pass smog! That stuff is so...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Yeah I'd prefer to just delete the AFM parts altogether. But I'm afraid while an emissions test normally won't detect a tune, CA...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Yup. I'd love to get it disabled but I need to get it to pass CA smog first. Unfortunately this bit me in the butt today. So I...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.Alright so we got it all back together tonight and... Got it all buttoned up and ready to fire with fresh oil, filter and Amsoil...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.ohh yeah and when we pulled the air filter, found a squirrels jackpot. I bet he's pissed.
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.For a fun comparison..... The Left image is the passenger valve cover from this 2013 5.3L AFM w/ 94k miles. Appears to be ~10k mi OCI...
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BigDogYJ replied to the thread My 2013 Yukon XL 1500.So got the intake manifold, passenger valve cover and valley cover off last night. After confirming the intake lifter on #6 was...
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