intercooler boot - Diesel Truck Forum -
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post #1 of 3 (permalink) Old 08-05-2009, 09:51 AM Thread Starter
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intercooler boot

I just spent some time changing out the HPOP fittings on the drivers side because I noticed an oil leak. I've checked on a daily basis and now I see a small puddle of oil in the valley. I thought the HPOP o-rings/fititngs were leaking, but they were not. It looks like I'm getting the oil from the bottom side of the intercooler boot. Why is there so much oil there in those pipes? The clamps are definitely tight. I guess I need to get a new boot. I took a look at the other boots and I'm wondering if I should change those. The longer ones in the front are a bit greased up, but that may be from years of grime. Where should I look to get the one replacement boot or would you guys recommend changing out the four intercooler boots and the ones under the spider?

2000 F250 Supercab 2wd, 6spd, DP Tuner, Southbend conFE, MBRP 4" turbo back straight pipe. DIY intake.
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post #2 of 3 (permalink) Old 08-05-2009, 03:27 PM
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I would take them apart and clean them with break cleaner and put them back together and also do a CCV mod so that you are not getting oil into your intake and IC boots.

1999.5 Ford F-250 7.3l 4x4 PSD DI Short block, Ported Heads, Head studs, Over size valve springs, DI Push Rods, DI RR, GTP38R, GSL 392 fuel pump with 3/8 line feeding 238cc Injectors from Nate @ Unlimited Diesel and Tuning from Matt @ Gearhead Automotive

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post #3 of 3 (permalink) Old 08-05-2009, 03:27 PM
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What happens is the CCV re-routes crank-case vapors back into the intake tract. These are oily vapors from the motor. The oil collects on the boots and in the intercooler itself...resulting in the oily boots. You can take the boots off and clean them out, but until you do the CCV mod...they will become oily over time.


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early 99 PSD CC F250, DP Tuner F-5, Stealth Stage I, Casserly 160cc singles, Monsterbox Tranny, MBRP cool duals, ITP Regulated fuel system, Cobalts and Performax gauges, and way to much else to remember right now. **traded**

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