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Join Date: May 2012
Location: Littleton, CO
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Main items for oil leaks in the valley.
1a) HPOP Itself (already covered.)
1b) Check the HPOP lines (possible O-ring failure.)
1c) HPOP Non-Serviceable plug (needs the non-serviceable plug fix!)
2) CCV Dog-house O-Rings. Rings could be swelled, and not properly sealing - allowing oil to drain down on to the cover and valley.
3a) Turbo Pedestal O-Rings
3b) Turbo EBPV actuator O-Rings (if you have one)
Did I miss anything that could be added to this list for oil in the top valley area?
Edit, didn't the IPR and/or ICP Sensors have O-rings?
2003 EX, 7.3L 4inch Lift, Nitto Trail Grappler's, KMC XD Spy's
k Miles, Currently 605tq, 312hp