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2001 V70 Missing Vacuum Line between Fusebox and Air Filter

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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106 Miles 2 Chicago
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Year and Model: V70 2001
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2001 V70 Missing Vacuum Line between Fusebox and Air Filter

Post by 106 Miles 2 Chicago »

I found the hose fitting on the aft side of the air filter box missing a elbow / line missing and just aft of that in front of the fusebox.
Is there an identification of what this line is and part number. What purpose does this missing line serve?
I could not find it.
Thanks.
106 Miles 2 Chicago
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abscate
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Post by abscate »

It’s part of the air filter box heated air system. Vacuum comes up to the air box to one of the two nipples, and the temperature of the air box meters the vacuum ftom the other nipple down to the flap that selects hot or cold air into the air filter box.

Those rubber nipples are available from Volvo or aftermarket
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jonesg
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Post by jonesg »

abscate wrote: ↑09 Apr 2023, 10:55 It’s part of the air filter box heated air system. Vacuum comes up to the air box to one of the two nipples, and the temperature of the air box meters the vacuum ftom the other nipple down to the flap that selects hot or cold air into the air filter box.

Those rubber nipples are available from Volvo or aftermarket
might not be needed in texas heat.
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