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1994 855R exhaust leak in front of cat

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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Sommerfeldt
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Re: 1994 855R exhaust leak in front of cat

Post by Sommerfeldt »

When it comes to the whole clamp vs weld thing, it seems that billofdurham has another idea - https://www.matthewsvolvosite.com/forums ... =2&t=24099 . I'm on the brink of needing a new system for my 855, and wouldn't dream of having someone weld it together...

- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.

azureblue
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Post by azureblue »

Sommerfeldt wrote:When it comes to the whole clamp vs weld thing, it seems that billofdurham has another idea - https://www.matthewsvolvosite.com/forums ... =2&t=24099 . I'm on the brink of needing a new system for my 855, and wouldn't dream of having someone weld it together...

- S
That's a better description of what I have - it looks like some sort of sealer was stuffed up into the joint between the two.
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Sommerfeldt
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Post by Sommerfeldt »

The sealant is a good idea, as long as it's used correctly. Though the quick fix stuff and patching isn't worth your time or money. A good clamp on a pipe in good condition is the way to go, in my opinion. I've also been looking at iPd's videos of installing their system, and I haven't seen anyone weld a single thing...

- S
2018 S90 T8 Inscription - glossy black with amber interior and dark as night rear windows.
[Gone] '96 855 T5 - R bumper and spoiler, Koni Yellows & blue H&R springs all 'round.
[Sold] '97 S70 T5
[Gone] '95 855 T5-R - one of the black ones... sadly stolen and wrecked.

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erikv11
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Post by erikv11 »

$45 for a weld is a no-brainer, great solution on a > 20 year old exhuast system. IMHO!

Installing a new exhaust system is an entirely different matter, you are talking apples and oranges now. Or blueberries and watermelons.
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 197k
'07 XC70, black, 205k
'07 XC70, willow green, 212k
'99 Camry V6 :shock: 153k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k

azureblue
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Post by azureblue »

I'm not sure if this is an OEM cat, because its inlet neck is slightly flared. The sealant was used to fill the gap between the flare and the pipe. And I don't Think the system is original -
544
122s
144 wagon
240
740T Wagon
850R Wagon
2002 V70 Wagon
2014 S60 T5

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