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Leak at 6 Gallons

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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firestarterpro
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Year and Model: 850 NA - 1995
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Re: Leak at 6 Gallons

Post by firestarterpro »

Heres another close up... May try to do the old lawnmower technique
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The proudest owner of a Naturally Aspired 2.4L Volvo 850 Wagon of 1995!!! :o :o :o
94 850 NA Wagon was hit and totalled at 350k :oops:
96 850 NA Sedan sold at 180k :arrow:
95 850 Turbo Wagon sold at 260k for parts :!:
95 850 NA Wagon sold at 220K :arrow:

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firestarterpro
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Joined: 25 February 2015
Year and Model: 850 NA - 1995
Location: Dallas, TX
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Post by firestarterpro »

Sealed it with the heat from a soldering iron... Seemed too easy. Going to put in a few gallons and see how she goes.......

May put a bit of jb weld around it next if necessary
Attachments
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._____________,
||------|---||---||__\ \___
\=-(@)-===-(@)-=*B
The proudest owner of a Naturally Aspired 2.4L Volvo 850 Wagon of 1995!!! :o :o :o
94 850 NA Wagon was hit and totalled at 350k :oops:
96 850 NA Sedan sold at 180k :arrow:
95 850 Turbo Wagon sold at 260k for parts :!:
95 850 NA Wagon sold at 220K :arrow:

scot850
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Post by scot850 »

That is basically what it would appear to say on the recall, that the tank would crack around those mounts. I would use JB Weld plastic weld Epoxy. Clean and roughen the area around the repair and then build up some epoxy around it. They also make a weld putty material that may also work.

Well found.

Neil.
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ZionXIX
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Post by ZionXIX »

Literally the exact thing I did last weekend on the upper heat shield mount. Soldering gun + JB weld steelstic. I had to pull the tank out though.
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Post by abscate »

Info from another thread

The tank material is HDPE with a nylon mix made by DuPont.

It’s recycle code 7. But for repair, treat it like HDPE , RECYCLE CODE 2
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Post by matthew1 »

abscate wrote: 27 Aug 2019, 20:17 Info from another thread

The tank material is HDPE with a nylon mix made by DuPont.

It’s recycle code 7. But for repair, treat it like HDPE , RECYCLE CODE 2
Good call. Here's the link to P80 Fuel Tank - What Type Of Plastic?
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