 What is this inside my fuel tank? |
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| patssle |
 Apr 26 2014, 05:40 PM
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#1
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Senior Member  Group: Members Posts: 981 Joined: 28-August 09 From: Houston, TX Member No.: 10,741 Region Association: None  |
It looks like sludge but it's hard - is it fuel tank construction sealer or something? I was considering POR-15'ing my tank but it seems pretty clean inside aside from this unknown material.
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Replies(1 - 6)
| jim_hoyland |
Apr 26 2014, 05:52 PM
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#2
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Get that VIN ? Group: Members Posts: 9,807 Joined: 1-May 03 From: Sunset Beach, CA Member No.: 643 Region Association: Southern California 
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QUOTE(patssle @ Apr 26 2014, 04:40 PM)  It looks like sludge but it's hard - is it fuel tank construction sealer or something? I was considering POR-15'ing my tank but it seems pretty clean inside aside from this unknown material. Hmm...I just saw the same thing in my tank. Pull the tank and check the screen/filter . I |
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| Porsche930dude |
Apr 26 2014, 06:24 PM
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#3
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Member Group: Members Posts: 399 Joined: 25-November 11 From: NY Member No.: 13,819 Region Association: None |
dont por-15 inside the tank it wont hold up
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| r_towle |
Apr 26 2014, 06:39 PM
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#4
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Custom Member Group: Members Posts: 24,705 Joined: 9-January 03 From: Taxachusetts Member No.: 124 Region Association: North East States
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Looks like a former sealant.
The stock tank was bare inside, so any sealer in there was put in later on. |
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| patssle |
Apr 26 2014, 10:11 PM
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#5
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Senior Member Group: Members Posts: 981 Joined: 28-August 09 From: Houston, TX Member No.: 10,741 Region Association: None |
Hmmm okay. I did look through my 914 paperwork history and a PO did do some POR-15 so perhaps it had an issue at some point that needed to be sealed.
POR-15 makes a fuel tank specific cleaning/sealing kit and it gets pretty good reviews. I'm not going to use it as mine seems fairly clean but it should hold up. |
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| KELTY360 |
Apr 27 2014, 12:02 AM
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#6
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914 Neferati Group: Members Posts: 5,139 Joined: 31-December 05 From: Pt. Townsend, WA Member No.: 5,344 Region Association: Pacific Northwest
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QUOTE(patssle @ Apr 26 2014, 08:11 PM) POR-15 makes a fuel tank specific cleaning/sealing kit and it gets pretty good reviews. I'm not going to use it as mine seems fairly clean but it should hold up. Are those reviews from people who have just used the product or from those who've had it in there for a few years? |
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| nsyr |
Apr 27 2014, 08:01 AM
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#7
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Because I Can Group: Members Posts: 314 Joined: 16-May 04 From: Tampa, FL Member No.: 2,073 |
I had that in my tank. It was from the tank sitting with ethanol fuel in it. It turns to gum over time as it absorbs moisture from the air. I was able to wash it out though.
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