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gr8fl4porsche gr8fl4porsche is online now
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Join Date: Jul 2001
Location: St. Louis, MO
Posts: 3,092
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Cylinder deactivation

2 trucks in our small fleet both had cylinder deactivation lifters fail this month.

These lifters will end up costing me about $10-11k.

'12 GMC 6.2 - 124,000 miles - 2 lifters failed and ruined the engine. New long block required.

'14 Ram 1500 with a 5.7 Hemi 240,000 miles - 2 lifters also failed - luckily no major internal damage. Unluckily, the issue is so prevalent that the lifters are backordered - so we are converting it to non-deactivating lifters which requires an ECU hack on top of the lifters and a cam.
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Randy
'87 911 Targa
'17 Macan GTS
Old 09-07-2018, 11:33 AM
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