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what is this hose leading to? 850 Turbo 1996

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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catburke
Posts: 3
Joined: 18 September 2012
Year and Model: 850 Turbo 1996
Location: TN

what is this hose leading to? 850 Turbo 1996

Post by catburke »

This is not a picture of my actual engine, but a pic I copied from someone, so thank you. I need to know what this hose with the crimp in it goes to. On my 1996 850 Turbo, the bottom of that crimp is gone, so I need to replace it, but got curious as to what it attaches to. It is a box on the pasenger side wall that has two some kind of maybe computer modules in it, the hose comes from the radiator housing to this box, but it doesn't seem to mess with my vacuum system even though it has a quarter sized hole in it. I can't find this box or the hose mentioned in my repair book. THe box is out of the picture in this shot, just the corner is showing right in front of the white fluid reservoir.

Obviuosly I'm kind of a novice at this, but I'm working on it. Thanks for any education you can give me.
engine marked.jpg
engine marked.jpg (94.13 KiB) Viewed 849 times

rmorse
Posts: 114
Joined: 1 August 2011
Year and Model: 96 855R
Location: Maryland

Post by rmorse »

It leads to the ECM, those two "computer things." All it does is cool them off. Repair it with electrical tape.

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erikv11
Posts: 11800
Joined: 25 July 2009
Year and Model: 850, V70, S60R, XC70
Location: Iowa
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Post by erikv11 »

It is a vent hose for the ECU (computer) box. Air comes from the cabin, through the box, and vents out the front. Just repairing it with duct tape is fine, or pick up another.
'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

catburke
Posts: 3
Joined: 18 September 2012
Year and Model: 850 Turbo 1996
Location: TN

Post by catburke »

Thank you!

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