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MultiAudis
11-15-2006, 01:36 PM
Hey guys I have a slow leak in my oil cooler, and need to replace it... I tried searching but I would really appreciate anyone who can chime in on a few points. Should I get an aftermarket cooler or oem? Best place to buy? How hard is the install (can I do it myself?). Any general thoughts are always more than welcome as well. Thanks in advance guys!!

Sal R.
11-15-2006, 01:39 PM
OEM vs. upgrade is ~$80 vs. $200+

There's a tech article around here somewhere about upgraded oil coolers.

ModifiedA4
11-15-2006, 01:47 PM
you could do a pseudo upgrade and get an OEM S4 oil cooler.
http://www.modifieda4.com/web/tech/oil-cooler.html

MultiAudis
11-15-2006, 01:53 PM
ok I like the idea of the s4 oil cooler, except I have no desire to grind in order to make it work, and the cost is still close to the $200 marker, so are there aftermarket ones in the same price range that don't require grinding/are a direct fit replacement? I guess I will need new coolant lines and clamps too it seems from that write-up.

mike-2ptzero
11-15-2006, 02:06 PM
The aftermarket oil coolers just add a sandwich, lines and a cooler that gets mounted at the front of the car. They work along with the stock cooler since the stock cooler is really a heat exchanger between the coolant and oil. If you remove the stock cooler you will end up with oil that takes much longer to get up to running temps, doing it is good for a track car but bad for a daily driver.

MultiAudis
11-15-2006, 02:11 PM
I was hoping you would chime in mike... so the aftermarkets are in addition to, not a replacement for the oil cooler? So then if I went aftermarket I would need both, since mine needs replaced to start with? Long and short just go oem it seems then?

NUISANCE
11-15-2006, 02:56 PM
Here you go, I have since dropped the stock oil cooler.

http://www.passatworld.com/forums/showthread.php?t=215363

mike-2ptzero
11-15-2006, 03:50 PM
Originally posted by NUISANCE
Here you go, I have since dropped the stock oil cooler.

http://www.passatworld.com/forums/showthread.php?t=215363


How long does it take your oil to get to normal running temps?

MultiAudis
11-15-2006, 05:22 PM
wow nice writeup! I live in northern VA so would I still be able to go without the stock oil cooler?

klintman
11-15-2006, 05:29 PM
http://pic1.picturetrail.com/VOL1123/3938540/13610408/205237833.jpg

just put in an earls oil cooler(jc whitney). mocal oilfilter sandwich bypass(purems). fittings and hose from (pegasus auto racing supply).
oilcooler:$130
sandwich:$100
fittings/hose:$55

the oil coolers are like $59 to $250 depending on size. honesty mine is overkill. the $59 would most likely have been adequate.
the sandwich plate has a valve that is thermostat controlled. does not start to open until 150deg and is fully open @ 180deg. this is so warm up time is not effected and winter temps do completely prevent ideal operating temp. i still have to mess with the bumper fit so i think i will paint it black. looks like a small intercooler that is not centered. kind of do not like that.
would be of more use on a turbo for sure.
the mocal and earls type oil coolers are sandwich type not the tube/fin. much more efficient for their size. much lower pressure drop then tube/fin. ideal if you had a massive intercooler and needed a compact one.

http://www.PictureTrail.com/gid13610408

SilverA4Fun
11-15-2006, 05:36 PM
MultiAudis, you got PM. And I just realized your local to me. I can deliver the OEM oil cooler to you.

NUISANCE
11-15-2006, 05:36 PM
Originally posted by mike-2ptzero
How long does it take your oil to get to normal running temps?

1-2 minutes more. The adapter has a thermostat that only lets the oil flow to the cooler when it's above 180.

MultiAudis
11-15-2006, 05:53 PM
SilverA4Fun, YGPM

3 bar
11-16-2006, 02:19 AM
My stock oil cooler is corroded and starting to leak at the hose connections. I was able to source a mocal sandwich plate with thermostat new for $79 found an oil cooler off of a HD Ford van for $10 and am going to get free stanless steel lines and fittings at my Guard unit. im just going to remove my POS stock cooler