Got oasis results Good or Bad? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 08-23-2011, 05:25 PM Thread Starter
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Got oasis results Good or Bad?

Lookin at a 05 crew Seems that many repairs have been done to the truck with the major being new head gaskets and egr replacements in aug of 08. Also had new turbo in 06 i believe. This truck only has 80k on it and seems to be in decent shape. All other hits on the report seem to be minor programing and steering issues. Is this truck worth the time or should I just forget it? Thanks
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post #2 of 7 Old 08-23-2011, 05:44 PM
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Depends on who did the work on the head gaskets, which gaskets were used, and what else was done when the motor was torn apart. With HG's on the Oasis, I'd be asking to see documents of the work performed. No papers, and I'd walk away. There's plenty of ways a HG job can come back and haunt you if it wasn't done right.
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post #3 of 7 Old 08-23-2011, 05:50 PM Thread Starter
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these repairs were all done under warranty through the dealership.

Tech Comments: INLINE PRESS TEST DEGAS BOTTLE AND CAP, OK, VAC WONT HOLD, REMOVE EGR COOLER, BENCH TEST, BUBBLES, TEST OIL COOLER, NO MOVEMENT ON GUAGE, NO RESTRICTION, REPLACE EGR COOLER, OIL COOLER OK, 20 PSI ON HARD ACCEL, HEAD GASKET FAILURE, REMOVE HEADS AND CLEAN, MEASURE, REPLACE HEAD GASKETS ANS REASSY ENGINE, RECAL PCM WITH LATEST, CHANGE OIL AND FILTER, TURBO BOOST TEST PASS
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post #4 of 7 Old 08-23-2011, 06:02 PM
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Done under warranty through the dealership, you're sitting at 50/50.

"20 PSI ON HARD ACCEL" not sure it that is coolant pressure, or turbo pressure. Most likely coolant, which is close to what I had when my gaskets went.

There is Zero chance the oil cooler was ok. Absolute 0%. The oil cooler is the reason the EGR cooler fails on these trucks. If the oil cooler wasn't rebuilt at a minimum, it must have been replaced by now (still see about documented rebuild/replacement of the oil cooler).

Most of the time, the dealerships flush the coolant when they do these jobs. See if you have a record if the flush was done before or after the engine was reassembled. Failure to flush the coolant before rebuilding the oil cooler will result in clogging the fresh oil cooler. Perhaps not to the point of failure, but you'll be on your way there.

With it being from the dealership, you know with some confidence that OEM gaskets were used. The aftermarket Onyx's are proveing a higher failure rate. The heads are listed as measured, but not machined or pressure tested (typical of the dealership doing the work). The heads really need to be taken to a machine shop when this type of work is done. You most likely still have a fuctioning EGR cooler.

Big thing you need to go out and look at is this, did they use OEM head bolts or ARP head studs when they reassembled the engine. If it ain't studded, I'd walk away.

It does sound like the standard dealership job for headgaskets, see if you can come up with anything else for documentation for the work. Last thing I recommend, get the Edge Insight CS/CTS before you go look at it again if you can. The numbers won't lie about weather that oil cooler is a ticking clock, waiting to fail on you.
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post #5 of 7 Old 08-23-2011, 06:21 PM
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Keep in mind that it is standard procedure to flush the cooling system using their VC-9 product AFTER replacing the oil cooler.
What strikes me as strange is that they say the tested the oil cooler for restriction?? How the heck did they pull that off? The TSB for head gasket failure plainly states that the oil cooler must be replaced along with the EGR cooler. (google ford tsb for coolant loss, right around step 6 or so).

Last edited by NYC F-350; 08-23-2011 at 06:24 PM.
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post #6 of 7 Old 08-24-2011, 02:12 AM Thread Starter
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Thanks for all the info guys. This truck is at auction and I am gonna pass on it. I know that it can be bought for a decent price but I really dont think I want to gamble with this gonna be my daily driver. I will move on to the next one.
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post #7 of 7 Old 08-24-2011, 11:53 AM
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Depending on how good of a deal you get with the money saved you can bulletproof it with studs, egr delete, and new oil cooler?

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