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How to repair leaking oil cooler

Discussion in 'How-To' started by Yellow_rag, May 10, 2011.

  1. SilverNotch

    SilverNotch Member Established Member

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    Is the car running? If so, is it running normal?
     
  2. 03 svt

    03 svt Member Established Member

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    Yes sounds fine. I hope it's not a head gasket. But it is in fact pouring oil and coolant from the weep hole
     
  3. 03 svt

    03 svt Member Established Member

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    Took the I'll cooler off tonight. The entire assembly was already loose and floppy. There was a tear on the orange o ring on the shaft that the filter threads on to. I think that's the whole issue. It ran way to good to be anything worse
     
  4. SilverNotch

    SilverNotch Member Established Member

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    Wow shocking do you have the kit to rebuild it?
     
  5. 03 svt

    03 svt Member Established Member

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    Yea. I ordered it a while back. Just now getting around to doing It haven't been driving it since I noticed the oil leak though
     
  6. 03 svt

    03 svt Member Established Member

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    Anyone know the size of the o ring for the center shaft? Mine tore during the install. It really looked to big
     
  7. SilverNotch

    SilverNotch Member Established Member

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    I honestly have no idea
     
  8. pdube1

    pdube1 Member Established Member

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    Hi,

    First of all, thanks for this thread! :)

    My car has been stored in a cold place all winter long, it was freaking cold this winter here. So yesterday it was time for the oil change, I started the engine to warm up the oil before to proceed to the oil change.
    I jacked up my car, drained the oil and removed the oil filter. At this time, no sign of water leak at all.

    It was now time to put the new filter back in. So I took the new filter, screwed it in with hands and all of a sudden, the water started to drip around the oil filter. At this time I started to panic thinking that the metal around the filter cracked while screwing the filter back in.

    After some reflexion, I decided to put new oil in the engine anyway and started it to see if it would be worst or not, to see if at least I could get to the nearest garage for a fix.
    At my surprise, as soon as I started the car, the leak stopped, no water drip anymore! So I parked the car, stopped the engine and let it sit for a while. Go back under the car to see if it started to leak again, and nothing.
    At this time, I understood something was wrong, but I was not able to understand why there was a leak when engine was stopped and no leak when engine was running, that makes no sense to me??!!

    This morning I started to read about this issue and found this thread. Happy to see that at least, the metal is not cracked, it is a "common" issue and it is possible to service this oil cooler. :) But still I have some question, I'm not sure I understand everything written in this write up.

    So here are my questions:
    - Could it be possible that the leak happened because the filter stud came loose somehow? If the o-rings in the oil cooler are "sandwinch" and everything is old together with the filter stud, could it be possible that tightening this filter stud a little bit more would just compress the o-ring and then get the o-ring does his job? [I read elsewhere that some fixed the leak by tightening the filter stud]
    - It's not clear to me if the filter stud has normal thread or not, to unscrew it, do I have to go counterclockwise (normal thread) or clockwise?
    - Once the oil cooler is removed, how hard it is to separate all parts apart? I'm not sure I understand the procedure using "rubber stopper" with air to blow the heat exchanger out.

    I will most like have to repair it and order that O-ring kit. Hopefully I will be able to do it by myself.

    Thanks
     
    Last edited: Mar 26, 2015
  9. SilverNotch

    SilverNotch Member Established Member

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    Send me a pm I'll walk you through it all.
     
  10. SilverNotch

    SilverNotch Member Established Member

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    Maybe send your cell# probably be faster to talk or text
     
  11. pdube1

    pdube1 Member Established Member

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    Hi SilverNotch,

    I ordered the o-ring kit from SpeedConcepts yesterday and Ken provided me very clear instructions. I understand now how this cooler is built and how to disassemble it.

    The only thing I'm not quite sure yet is about draining the coolant (from the t-stat housing only? What is the petcock, a radiator draining plug?) and how to fill it back. For this, I will do my homework before asking for any help. :)

    Thank you.
     
  12. SilverNotch

    SilverNotch Member Established Member

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    There is a pet **** drain on the passenger side of the radiator as well as a drain plug near the driver header on the engine block to drain.
     
  13. Yellow_rag

    Yellow_rag Few SVT Poster Established Member

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    hey man, just saw this. Dont know if you're still on!

    I'm not sure if its a Steeda sway bar or not, but i hate it. Its a dark blue, close to Sonic Blue. Was not only hitting my oil cooler but hitting my struts, and my inner wheel rims. I had to cut the ends shorter with a hacksaw.

    I put 1/4 in spacers under the sway bar mounts to fix the oil cooler clearance problem. If i run across a stock sway bar locally I'll swap it out.
     
  14. SilverNotch

    SilverNotch Member Established Member

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    Any questions?
     
  15. dpj99cobra

    dpj99cobra NC Mustanger Established Member

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    Any tips on getting the oil cooler off? Mine is getting hung up on the top fitting. It will wiggle and move like crazy but will not come free from the top. I'm open to ideas...

    FYI: I have the Speed Concepts kit ready to go on just struggling to get the cooler off so I can disassemble it.
     
  16. SilverNotch

    SilverNotch Member Established Member

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    OK, what kind of cobra are you doing the rebuild on? My 01 did have any issues coming off. Did you already remove the shaft?
     
  17. pdube1

    pdube1 Member Established Member

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    I had to use a pry bar to get mine off and lots of force.
     
  18. dpj99cobra

    dpj99cobra NC Mustanger Established Member

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    2004. I got the shaft out without a problem.

    That's what I'm thinking is going to have to happen. Did you pry from underneath or get at it from up top?
     
  19. pdube1

    pdube1 Member Established Member

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    Has much as I can remember, I had to pry from top and wiggle it a lot for the seal to pop out, it is more accessible from bottom for hands. I remember that it was also hard to put back in with the new seal.
     
  20. dpj99cobra

    dpj99cobra NC Mustanger Established Member

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    After much effort I finally got my oil cooler off to do the O-ring job. It would appear that part of the flange had broken and probably was also causing much of my struggle to remove the cooler itself.

    Anyway, now I need a replacement adapter flange. I believe this is the most current part number for it but it is shown as N/A from the Ford parts search sites. F8ZZ-6881-AA

    If you have an leads on where to locate this part I'd appreciate the help.

    Thanks.

    View attachment 57224
     

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