Oil cooler upgrade or replace? - Diesel Forum - TheDieselStop.com
6.0L Power Stroke Engine and Drivetrain Discussion of the 6.0L Power Stroke diesel engine and drivetrain in the 2003-Up Super Duties and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 6.0L Power Stroke engine.

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post #1 of 19 (permalink) Old 09-22-2011, 02:55 PM Thread Starter
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Oil cooler upgrade or replace?

I am installing an EGR Delete kit. I decided to do something about the oil cooler since I would be in the general area. I ordered a oil upgrade kit from the Ford guys in Minnesota per their suggestion. They said they sell a bunch of the upgrades but very few of the oil coolers. So, after time has gone by waiting for the parts, I got to thinking. If I have not had an EGR cooler failure, the coolant flush did not produce much sediment and my degas bottle had very minor sediment; what is the possibility that the oil cooler needs to be replaced rather than upgraded? For all I know, Ford may have already done it. I had issuses in the past where they replaced the turbo and I had an oil leak that required extensive labor to fix. Curious what you guys think. FYI, I have no mods, 70K and the only owner.

2004 6.0 Liter F350 4x4 stock.
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post #2 of 19 (permalink) Old 09-22-2011, 03:25 PM
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Upgrading the oil cooler(with stock parts) is replacing it. The upgraded oil cooler is just a more recent version with heavier fins. If the oil cooler is original I'd replace it

2004 F250 4x4 Lariat Supercab longbox, blue spring, coolant filter, Cat ec-1, 75k miles.
1996 F-350 4X4 reg cab PSD, BTS trans, 3.55, Bills Chip, Tymar, DPP downpipe, urethane bushings, Bilsteins, 203 thermostat - gone
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post #3 of 19 (permalink) Old 09-22-2011, 04:22 PM Thread Starter
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Well the parts kit cost 213.00 from the Ford dealer in Minnesota. Is this the typical cost on the upgrade?

2004 6.0 Liter F350 4x4 stock.
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post #4 of 19 (permalink) Old 09-22-2011, 04:55 PM
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Yes that's the oil cooler rebuild kit from Tousley, I just ordered the same one. Comes with oil cooler, gaskets, o-rings and screen. Re-use the old housing.

2004 F250 4x4 Lariat Supercab longbox, blue spring, coolant filter, Cat ec-1, 75k miles.
1996 F-350 4X4 reg cab PSD, BTS trans, 3.55, Bills Chip, Tymar, DPP downpipe, urethane bushings, Bilsteins, 203 thermostat - gone
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post #5 of 19 (permalink) Old 09-22-2011, 05:42 PM
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If it hasn't been replaced it's probably at least close to being ready and since you're in there it would be a good time. What you need to know is how much difference there is in your coolant temp and your oil temp when the truck is warmed up. Mine didn't show any signs of problems at 99,000 when I bought it but I put an Edge Insight monitor on it and found that my oil temps were 20 degrees hotter than coolant temps. Ford recommends replacing the oil cooler if the oil temp is 14 degrees or more higher than the coolant. I replaced mine and now it runs about 7 degrees difference. The only way to know is with something like the Edge Insight or a scanner hooked up to it while driving down the road. In my opinion the couple hundred bucks I paid for the Edge Insight was the best investment I could have made.

2004 F250 XLT 6.0 L
Crew Cab
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1995 Chevy K1500
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post #6 of 19 (permalink) Old 09-22-2011, 10:39 PM Thread Starter
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Well, I was going through my receipts and found that Ford had replaced my antifreeze about 4 years ago. THey had to pull the engine because of an oil leak. Anyway, I have to wonder if that helped me not have any problems with the oil cooler and egr cooler........

2004 6.0 Liter F350 4x4 stock.
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post #7 of 19 (permalink) Old 09-23-2011, 07:37 AM
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If it hasn't been replaced it's only a matter of time, if they did a coolant flush it would go toward your favor. Mine had 100,000 on it and when I pulled off the EGR cooler it was starting to leak and the oil cooler was clogged, but it probably hadn't been flushed. Myself if I was that deep I would replace it for $200 and then you know you're good. Then I would put another $200 toward an Edge Insight to keep an eye on it for the next time.

2004 F250 XLT 6.0 L
Crew Cab
119,000 Miles

1995 Chevy K1500
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post #8 of 19 (permalink) Old 09-23-2011, 08:25 AM
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I got a quote from my mechanic for $1500, included was the egr delete, replacement oil cooler and coolant flush. He told me he had previous problems with the housing on the oil cooler failing and that he refused to use a rebuild kit, but would replace the entire oil cooler. Does this sound like a fair price? I had another quote for $1200 just for the egr delete....any input would be appreciated

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post #9 of 19 (permalink) Old 09-23-2011, 05:03 PM
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Quote:
Originally Posted by JBU1211 View Post
I got a quote from my mechanic for $1500, included was the egr delete, replacement oil cooler and coolant flush. He told me he had previous problems with the housing on the oil cooler failing and that he refused to use a rebuild kit, but would replace the entire oil cooler. Does this sound like a fair price? I had another quote for $1200 just for the egr delete....any input would be appreciated
Sounds like a great deal if he does a good job on it.
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post #10 of 19 (permalink) Old 09-25-2011, 07:51 PM
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sounds like a good price. i was quoted $1650 for egr delete, new cooler and sct tuner from reputable shop. havent done it yet but it will be soon

2005 F350 King Ranch 4x4
-Dieselsite coolant filter
-Edge Insight CTS with EGT
-Fuel pressure gauge installed
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post #11 of 19 (permalink) Old 09-25-2011, 08:15 PM
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Count yourself as lucky, I just had my oil cooler replaced and an egr delete done and where I am in Canada the bill was $3200 plus tax.
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post #12 of 19 (permalink) Old 09-25-2011, 08:21 PM
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If I couldn't work on my own cars and trucks, I couldn't afford them!!!
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post #13 of 19 (permalink) Old 10-16-2016, 10:11 AM
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It appears Sinister Diesel makes a stock oil cooler upgrade for around $350. They claim it has larger passages to avoid the dirty coolant blockage problem. Replacing the coolant often and regularly helps a ton. Installing a coolant filter upgrade can't hurt either.

Bulletproof Diesel makes a oil-cooler bypass with an air-cooled external oil cooler and extrrnal oil filter that totally eliminates the oil cooler issues. The kit is pricey ($2K), but totally fixes that issue. They also make a reasonable EGR cooler upgrade if yours is getting clogged by carbon...it goes for around $350.

If you install an EGR Cooler delete, it can cause significant emissions issues which are not legal in all states in the US...a problem I'd you live somewhere where smog check is required!

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post #14 of 19 (permalink) Old 10-16-2016, 01:23 PM
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Do NOT buy the Sinister oil cooler.
Stick with OEM.
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post #15 of 19 (permalink) Old 10-16-2016, 09:03 PM
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Quote:
Originally Posted by T diesel View Post
Do NOT buy the Sinister oil cooler.
Stick with OEM.
Are they junk? I noticed the Bullet Proof Diesel does not offer a stock-style upgrade...they only offer their bypass system for external cooler or stock Ford part.

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