Oil cooler
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Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
Oil cooler
I only have my phone to navigate the site and have no idea how to search. Anyone have a link or pointers on removing the oil cooler? I need to replace the orings on my high mileage 97 this weekend. Ive got oil and antifreeze, orings should be here today. Never done this on one in the truck. Looking for access tips. Looks like a pain in the you know what. I power washed the area as good
as I could last night.
as I could last night.
Lead Driver
Joined: Mar 2006
Posts: 5,105
Likes: 1,523
From: western SD
It is pretty straight forward IF the truck is a 4X4. Remove the oil filter, then the 2 front and 3 rear bolts that hold the cooler to the block, and get ready for an antifreeze shower. The whole assembly should slide out the rear of the engine.
Cargo Master
Joined: Jul 2010
Posts: 3,014
Likes: 115
My truck is a 4x4 and I found it to be extremely frustrating to remove and reinstall the oil cooler. My advice would be to make sure that you’ve got plenty of patience and surround yourself with whatever relaxes you.
Butt-Head
Joined: Apr 2004
Posts: 9,448
Likes: 2,934
From: Reed Point, MT
I know people here have done it without lifting the LH side of the engine - and I have too.....ONCE.
The frustration it saves by giving myself just one extra inch makes it worth it to me to spend the couple extra minutes taking the nuts off of the engine mount. I do a lot of these as I own/operate a general repair shop and (by reputation good or bad) specialize in the 7.3L.
The frustration it saves by giving myself just one extra inch makes it worth it to me to spend the couple extra minutes taking the nuts off of the engine mount. I do a lot of these as I own/operate a general repair shop and (by reputation good or bad) specialize in the 7.3L.
Lead Driver
Joined: Apr 2016
Posts: 7,205
Likes: 1,340
From: Bahstun
https://www.ford-trucks.com/forums/1...r-rebuild.html
is what i did to do it
Sometimes you have to lift drivers side engine up a lil, i didnt have to
is what i did to do it
Sometimes you have to lift drivers side engine up a lil, i didnt have to
Fleet Mechanic
Joined: Aug 2014
Posts: 1,821
Likes: 238
From: piedmont mo
I usually just drain coolant at the block drain on driver side. And pull oil filter and then unbolt and wiggle it out definitely can be a little bit frustrating. Never thought about raising motor up little on that side probably definitely helps a little.
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Hotshot
Joined: Dec 2012
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From: Las Cruces New Mexico
Never done one on a 4x4 OBS, but since they share close to the same design in frames like the stupid duty's it's doable and not that hard. The only hard part is keeping the gasket in place while trying to start threading the bolts, start with the rear ones and leave them loose then go to the front ones.
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Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
Well, didn't get motivated til after lunch. Went to move it in my shop and it's dumping diesel now too. So I got it in and tore the fuel pump off first along with taking out the bowl and cleaning the inside. Lots of crap in there. I got the oil cooler out and cleaned up ready to put back in. Then just quit for today and placed another riffraff order. I'll put the cooler in tomorrow along with taking the psom out. I'll probably just send that in for repair.
Turning out more money than I wanted to spend but gotta have something to drive. Wifes jeeps on its last leg. Can't afford anything else with 2 kids, and won't drive my good 97 once salt hits the roads. I drive my ranger mostly, but the wife loves this pickup.
Turning out more money than I wanted to spend but gotta have something to drive. Wifes jeeps on its last leg. Can't afford anything else with 2 kids, and won't drive my good 97 once salt hits the roads. I drive my ranger mostly, but the wife loves this pickup.
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Joined: Feb 2009
Posts: 10,408
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From: Plankinton, SD
I will. Took a few days off for a long weekend coming up so I haven't tackled putting it back together yet. I did one before on my other truck but it was easier as the motor was on the stand.
Lead Driver
Joined: Sep 2002
Posts: 9,540
Likes: 2,032
From: North Texas
Did mine forever ago and I recall using some scrap wood to bonk it back together as trying to hold it square in the hyd press was a pain.
Seems I installed it from the rear by the trans. Water pump was out at the time.
PSOM, never found the data specs for the consumables. If you have a spare, just match the voltage and uF of the caps.
Seems I installed it from the rear by the trans. Water pump was out at the time.
PSOM, never found the data specs for the consumables. If you have a spare, just match the voltage and uF of the caps.
More Turbo
Joined: Dec 2002
Posts: 664
Likes: 129
From: Columbia, MD
A cautionary tale... learn from my mistakes. I did not pull the engine mount and tip the engine. My oil cooler would not come out or go in in one piece. Oh, for an extra inch of clearance. I re-assembled my cooler in place, cut or pinched an O-ring without knowing it, and ended up with oil pushing into the cooling system. Mocha milkshake erupting from the overflow tank and injectors shut down from lack of oil pressure on the test drive. Luckily, I popped the overflow tank before pressurized coolant could backflow into the oil system so no engine damage, but still a several-thousand-dollar bill to flush the oil system and re-install the cooler correctly. And the tow...
If you can't get the cooler out or in in one piece without pulling the left engine mount and raising the engine, either pull the mount and raise the engine, or pay someone else to do it. Don't risk a cut or pinched O-ring.
If you can't get the cooler out or in in one piece without pulling the left engine mount and raising the engine, either pull the mount and raise the engine, or pay someone else to do it. Don't risk a cut or pinched O-ring.
Lead Driver
Joined: Apr 2016
Posts: 7,205
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From: Bahstun
oil cooler has to be turned like 90 to slide back in
I used no oil when putting them on the tube
lubed the ends only so o ring would not roll/pinch
can use duct tape to keep ends from popping off during install
I used no oil when putting them on the tube
lubed the ends only so o ring would not roll/pinch
can use duct tape to keep ends from popping off during install
Thread Starter
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Hotshot
Joined: Feb 2009
Posts: 10,408
Likes: 75
From: Plankinton, SD
Oil cooler went pretty well. I also did a fuel pump like mentioned above. That banjo bolt can kiss my a$$. It's done though, and think I got most all the leaks taken care of. I put an end to the psom thread too but I'll mention it here also. That repair was well worth it. Shifts much better, consistent shifts instead of different every time you drive it.
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