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Exhaust Flex Pipe Leaking

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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enotslim
Posts: 333
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Year and Model: 2004 XC70
Location: Boston, MA USA
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Re: Exhaust Flex Pipe Leaking

Post by enotslim »

cn90 wrote: 04 Jun 2011, 23:14 Just came across this on facebook lol:

http://www.facebook.com/pages/Sick-Sens ... 3394762035

I am posting the same pics in case people need them later:

Flex01.JPG
Flex02.JPG
Flex03.JPG
Is the method in the facebook post referenced above actually realistic - to remove/replace the flex pipe while the header and cat remain attached in the vehicle? Advantages include less disassembly and sections can be aligned in place. Disadvantages include it looks impossible. How would one remove the existing flex pipe in such tight quarters? I guess the fb poster did it, as shown, but the tools illustrated seem inadequate. Maybe I just lack imagination. I suppose the second step of welding the new flex pipe in place is less impossible, especially using a lift.

This alternative, already referenced above I believe, ensures alignment but requires more disassembly.
Now:
2004 XC70
Then:
1972 144
1988 240 Wagon
1998 V70 T5

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tjmartin317
Posts: 103
Joined: 8 January 2023
Year and Model: 2000 S70
Location: West Virginia
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Post by tjmartin317 »

I’ve had a similar exhaust leak somewhere close to the catalytic converter. My solution was to ignore it, which has so far cost me $0… but that’s obviously not the right solution and will be using this thread and it’s suggestions for whenever I decide to dig into my
exhaust/O2 sensors (probably soon).

Thanks for posting!
2012 Acura TSX Wagon (Iris - Practical Daily)
2000 Volvo S70 (Blue - Manual Beater)
1972 VW Type 3 Squareback (Fargo - Terrible Rustbucket)

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