 Six oil cooler |
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| 914itis |
 May 23 2015, 10:57 AM
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#1
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Advanced Member  Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States  |
I have a leak that seems to be coming from my oil cooler seals on the six . The oil cooler is stock.
I don't remember how many bolts are on top . Can someone post a picture showing all the bolts locations . It seems like I can replace the seal without dropping the motor, can I ? Attached thumbnail(s) 
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| McMark |
May 23 2015, 12:08 PM
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#2
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914 Freak! Group: Retired Admin Posts: 20,179 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
Two nuts at the bottom. Two nuts at the top. Basically a rectangle. The top nuts are only accessible by removing the shroud, unless you have the version it's the removable cooler duct (3.2). The cooler will clear the body though, so yes I can be removed with the engine in the car.
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| mskala |
May 23 2015, 01:04 PM
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#3
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None 
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A couple days ago I could have shown that, my car is back together now though.
There are 2 13mm nuts on the top and 2 on the bottom. There are 2 small seals near the top and one large seal on the bottom for the through-pipe. With the normal 914-6 engine setup, it is possible to remove while the engine is still in the car, but not worth it as it takes so much more effort for several things. Also,with the engine in the car you will need to remove the heat exchanger on the left side (unless you go crazy and remove everything up top to get the whole shroud off). So, instead of replacing 2 cheap CV joint gaskets and dropping the engine, you need 3 expensive exhaust gaskets and have to attack a lot of the top pieces through the engine lid and do some things blind. |
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| 914itis |
May 23 2015, 02:51 PM
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#4
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Thanks , that will be a winter project .
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| 914itis |
May 23 2015, 02:53 PM
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#5
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
QUOTE(914itis @ May 23 2015, 04:51 PM)  Thanks , that will be a winter project its kind of odd, I had brand new seals when I did this a year and a half ago. Only 2000 miles garage kept. |
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| mskala |
May 23 2015, 06:51 PM
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#6
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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One other thing; it may not be the cooler or seals leaking. There is a pipe in
many versions of the case that you can see, half behind the cooler and half to the left of the cooler. Much later the factory had a bulletin about epoxying over this. Just clean it good with brake cleaner and emery cloth and put some JB Weld on it. |
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| 914itis |
May 23 2015, 07:53 PM
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#7
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
I am looking at the cooler now and you are right , it may not be the cooler but I can't seem to find the nipple you are referring to. Any pics ?
Thanks |
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| mskala |
May 23 2015, 08:58 PM
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#8
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R Group: Members Posts: 1,925 Joined: 2-January 03 From: Massachusetts Member No.: 79 Region Association: None
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QUOTE(914itis @ May 23 2015, 09:53 PM) I am looking at the cooler now and you are right , it may not be the cooler but I can't seem to find the nipple you are referring to. Any pics ? Thanks Found a pic on pelican. You can't see it because it was already epoxied, but it is exposed under the cooler and also on the left of it.  |
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| 914itis |
May 23 2015, 09:16 PM
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#9
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Thanks .
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| Jake Raby |
May 23 2015, 10:00 PM
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#10
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Engine Surgeon Group: Members Posts: 9,394 Joined: 31-August 03 From: Lost Member No.: 1,095 Region Association: South East States |
It could also be the case through bolt leaking. These have O rings and they are a leakage point for sure.
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| 914itis |
May 25 2015, 08:20 PM
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#11
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Jake, you may be right.
after slightly tighten the case bolt right above the leak, It seems like Its gone ( Keeping my fingers crossed) I drove the car for an hour with no signs of the leak. I will update the thread if it resurfaces. |
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| 914itis |
May 31 2015, 08:36 PM
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#12
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Advanced Member Group: Members Posts: 2,892 Joined: 9-October 10 From: New York City Member No.: 12,256 Region Association: North East States |
Update :
Drive the car over 100 miles, no leak. Thanks to all. |
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| Cairo94507 |
Jun 1 2015, 06:40 AM
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#13
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Michael Group: Members Posts: 9,714 Joined: 1-November 08 From: Auburn, CA Member No.: 9,712 Region Association: Northern California
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That is great! Rarely get that lucky when it comes to oil leaks.
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