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talljordan
Samba Member
Joined: January 10, 2012
Posts: 968
Location: San Francisco, CA
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 Posted: Tue Jul 29, 2014 2:50 pm Post subject: Oil cooler, replace? |
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Hey All,
I rebuilt my engine 3000m ago but at the time I did not know that the oil cooler should be replaced during a rebuild. It is currently missing the foam and has a few dents and dings on the fins.
Should I replace my oil cooler with a new one from CIP? Or just add on the foam. What kind of foam would I use?
If I should buy new, which one should I get.
http://www.cip1.ca/ProductDetails.asp?ProductCode=VWC-021-117-021-B
or http://www.cip1.ca/ProductDetails.asp?ProductCode=VWC-113-117-021-NEW
Thanks!
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1972 Super Beetle, Parked until adequate restoration funding is acquired in restoration!
Wanted: Male computer diagnostic plug end |
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Randy in Maine
Samba Member
Joined: August 03, 2003
Posts: 34890
Location: The Beach
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| Posted: Tue Jul 29, 2014 2:52 pm Post subject: |
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Did the last engine likely leave shrapnel in the cooler?
I used foam from Home Depot. |
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VWCOOL
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Joined: June 02, 2006
Posts: 1821
Location: Down under
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| Posted: Tue Jul 29, 2014 2:54 pm Post subject: |
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Who told you that?
re-using an oil cooler is fine... as long as it came from a running/known-good motor and is not full of metal shavings |
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talljordan
Samba Member
Joined: January 10, 2012
Posts: 968
Location: San Francisco, CA
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| Posted: Tue Jul 29, 2014 3:02 pm Post subject: |
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Last engine was rebuilt due to low compression and general wear and tear. No idea if there are metal shavings but it did look like it had been hit by something so the metal fins were bent.
When I did the first oil change after 300 miles there was a bit of metal powder stuck to the drain nut (magnetic).
Home depot foam wont melt under the heat?
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1972 Super Beetle, Parked until adequate restoration funding is acquired in restoration!
Wanted: Male computer diagnostic plug end |
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Cusser
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Joined: October 02, 2006
Posts: 31379
Location: Hot Arizona
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crvc
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Joined: April 28, 2004
Posts: 1308
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| Posted: Tue Jul 29, 2014 10:27 pm Post subject: |
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| VWCOOL wrote: |
Who told you that?
re-using an oil cooler is fine... as long as it came from a running/known-good motor and is not full of metal shavings |
You may have read that in one of my posts. I read it from Hoover's website. He said when rebuilding an engine the cooler should be replaced. He said they can't be cleaned thoroughly enough for re-use. I spent two years dealing with vapor lock. Didn't solve the problem til I put in a new cooler and hoover bit. I paid $50 for a new cooler and hoover bit.
crvc |
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Multi69s
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Joined: January 24, 2006
Posts: 5364
Location: Lefty, CA
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talljordan
Samba Member
Joined: January 10, 2012
Posts: 968
Location: San Francisco, CA
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| Posted: Wed Jul 30, 2014 5:42 pm Post subject: |
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Thanks for the advice guys!
How much should I worry about not having the foam? I do have the hoover bit now.
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torsionbar
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Joined: December 11, 2010
Posts: 2215
Location: earf
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| Posted: Wed Jul 30, 2014 6:45 pm Post subject: |
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| Multi69s wrote: |
| There is absolutely no reason to change an oil cooler, unless, you are dealing with one that came from a blown motor. |
many would disagree with this sentiment. a brand new german oil cooler is cheap, 75 bucks or so last time i checked, plus the special stepped rubber gaskets. and if you already have the engine out and torn down to a long block, it's an easy couple of bolts to r&r the oil cooler. once it's all reassembled and back in the car, it's many hours of labor to get to it.
these cars are all old enough and have had so many different owners, you have no idea what kind of prior engine troubles have occurred. that old cooler could be full of metal shavings, baked in sludge, and who knows what else. not to mention that the fins could be packed full of dust and dirt, hindering the airflow through the cooler. plus those rubber o-ring gaskets can and do leak when they get old. replacing is cheap insurance if you're already in there.
if on the other hand, the engine is fully assembled and already back in the car, and you're experiencing neither leakage nor overheating, i would leave it alone.
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| Max Welton wrote: |
[air cooled vw's] are no longer suitable for the general public. The owner has to be be able to maintain the car. And that is after fixing all the deferred maintenance items and ill-conceived modifications. If you can't do those things you are pretty much screwed. |
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Multi69s
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Joined: January 24, 2006
Posts: 5364
Location: Lefty, CA
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| Posted: Thu Jul 31, 2014 7:57 pm Post subject: |
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if you can get a genuine OEM German cooler for that price, then it is cheap insurance. However, your statement about sludge build up in an oil cooler is not quite accurate. Sludge tends to form where the oil is moving slow and the heat is lower as well (breather stand, sump, valve covers). These conditions do not happen in the cooler where the oil is under pressure and at a high temp.
So unless you suspect that the engine has seen a catastrophic failure or was even out of a sand buggy, the majority of stock coolers are still in pretty good shape.
Just a side note - I have seen too many Chinese coolers blown by people that install larger oil pumps or have just changed their relief springs
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lemke
Samba Troll
Joined: February 24, 2004
Posts: 1249
Location: Seattle
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| Posted: Wed Aug 13, 2014 6:53 pm Post subject: |
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| torsionbar wrote: |
| Multi69s wrote: |
| There is absolutely no reason to change an oil cooler, unless, you are dealing with one that came from a blown motor. |
many would disagree with this sentiment. a brand new german oil cooler is cheap, 75 bucks or so last time i checked, plus the special stepped rubber gaskets. |
Could you please let me know where you found a brand new German oil cooler for 75 bucks? I would buy 2!
Seriously, if you know where - let me know.
The ONLY new German oil cooler I could find is $283!! Here is the link:
http://www.airheadparts.com/vintage-vw-parts/vanag...17021-b-oe |
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Tim Donahoe
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Joined: December 08, 2012
Posts: 11740
Location: Redding, CA
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| Posted: Wed Aug 13, 2014 7:04 pm Post subject: |
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Jornda, use the foam from Home Depot (or similar). It will not melt. But it's silly to have a Hoover Bit for the bottom of the cooler and no foam dam at the top.
I use just regular sponge weatherstrip--at least one-half inch thick, and it never melts.
Tim |
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