1988 F250 7.3L IDI Head gasket question??? - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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  • 1 Post By madpogue
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post #1 of 7 (permalink) Old 01-26-2018, 12:51 PM Thread Starter
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1988 F250 7.3L IDI Head gasket question???

So it looks like I have a leaky head gasket. Found oil in the coolant.I use this truck for landscape work and will need to get it going soon. If anyone can share some tips or point me in the direction of more info on the job i would appreciate it. Thanks!
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post #2 of 7 (permalink) Old 01-26-2018, 01:33 PM
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Have you already ruled out the oil cooler?
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post #3 of 7 (permalink) Old 01-26-2018, 02:43 PM
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Quote:
Originally Posted by madpogue View Post
Have you already ruled out the oil cooler?
Bingo. I would make sure the oil cooler O rings arenít bad first. Doing head gaskets isnít hard, but there are some details that need to be followed for proper re assembly.
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post #4 of 7 (permalink) Old 01-26-2018, 06:27 PM Thread Starter
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Thanks, I'll check the oil cooler o rings. Any advice on that job like parts that should be replaced (obviously o rings) but maybe the whole unit? I'll look at the book when I get home to see what i'm getting into. Thanks again!
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post #5 of 7 (permalink) Old 01-26-2018, 09:33 PM
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Youíll need the O rings and the gaskets that mate the cooler to the block. IIRC there are 4 total, sorry I donít have P/Nís.

1994 F-350 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S, LB, Dually
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post #6 of 7 (permalink) Old 01-27-2018, 11:59 AM
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O'Reilly has the Felpro set: Felpro ES72519
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post #7 of 7 (permalink) Old 01-27-2018, 12:27 PM
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There's been a controversy more than once through the years regarding the correct O-ring kit . I'd only buy them from Ford or International. I could be wrong, but I think there's black and brown, one fits and the other is slightly wrong in size. Never had to do mine so I never took note of what's correct, maybe Chuckster57 remembers?
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