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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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 Posted: Mon Mar 07, 2011 4:30 am Post subject: Expansion Tank FAIL |
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Anyone had one of these little tanks stop sealing well? I can't really get the lid tight, and it is starting to spit coolant.
Weird thing is, I got it from EBS years ago, and thought at the time it was an OEM part (stamped with 931 part number), but now I'm wondering if it is a knock off. It never really fit that well in the holder. . .
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Mar 08, 2011 12:48 am Post subject: |
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Are you referring to the version with the screw-on 911-style cap? Replaced the cap recently?
FWIW, the holding mechanism for those tanks are really lame. Any chance your bracket is bent? They're made from flimsy sheet metal and I've had to tweak mine to get them to hold the OEM unit securely. Although I've since converted all but one of my 931s over to the 944 style tank...
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erstwhile owner of just about every 924 variant ever made |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Tue Mar 08, 2011 1:38 am Post subject: |
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The cap came with the tank. Looking at the threads on both, it appears that it is the tank threads that are losing their grip.
I thought about ditching it for a 44 setup, but I'm using the bracket as a relay mount. . .
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Tue Mar 08, 2011 1:45 am Post subject: |
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I modified the bracket for my CS project to make room for the '44 tank. Not sure where your relay is, but here's a photo. It was a piece of cake to trim, debur, and repaint...
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erstwhile owner of just about every 924 variant ever made |
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Rasta Monsta
Joined: 12 Jul 2006
Posts: 11733
Location: PacNW
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| Posted: Wed Mar 09, 2011 4:18 am Post subject: |
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Hmm. . .still running a fat and a skinny line to that thing? Was is necessary to cut the bracket, or could you have squeezed it in there with the bracket intact?
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Toofah King Bad
- WeiBe (1987 924S 2.5t) - 931 S3
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ideola
Joined: 01 Oct 2004
Posts: 15550
Location: Spring Lake MI
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| Posted: Wed Mar 09, 2011 4:28 am Post subject: |
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If you want to secure the bottom portion of the '44 tank with a screw thru the inner fender, you will need to modify the bracket, although perhaps not as aggressively as I did. For me, the whole upper portion was superfluous so I just cut it straight off along the bottom edge. The only reason I retained it at all was to preserve the stock mounting arrangement for the air-oil separator, which annoyingly requires both parts to be stable and functional.
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erstwhile owner of just about every 924 variant ever made |
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pettybird
Joined: 30 Apr 2008
Posts: 50
Location: Cleveland Ohio
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| Posted: Wed Mar 23, 2011 1:46 pm Post subject: |
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| are new 931 expansion tanks still available? |
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Cedric
Joined: 27 Aug 2004
Posts: 2809
Location: Sweden
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| Posted: Wed Mar 23, 2011 4:26 pm Post subject: |
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| pettybird wrote: | | are new 931 expansion tanks still available? |
i bought one from Porsche last year, not at all expensive, really makes a engine bay tidy (and it holds the water on the inside 
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1980 924 Turbo
www.instagram.com/garagecedric/ |
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