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Vacuum Tube from Air Box to FPR, Repair or Replace?

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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rick4484
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Vacuum Tube from Air Box to FPR, Repair or Replace?

Post by rick4484 »

1998 Volvo S70 T5
I'm trying to repair or replace a vacuum line that goes from a nipple on the air box located behind the MAF to the FPR. This line has a rubber elbow, with a short piece of white plastic tube and is suppose to attach to a short rubber hose, that attaches to a steel, or some type of metal, tubing that runs the length of the lower radiator pipe toward the passenger side where it attaches to a rubber hose. The problem is the end of the metal pipe at the driver's side looks like it twisted apart at the squeeze clamp and is damaged. I may have damaged this when I replaced the heater core.

I'm thinking of removing what's left of the steel pipe, cutting the bad end and attaching a longer rubber hose. Cutting this pipe will take some skill since it's diameter is quite small and it might collapse the opening, Or, I might take the pipe to a nearby tube and hose shop and have one made. Also, I'm thinking of not reusing the rubber elbow and plastic tube, but just a longer rubber hose to the nipple on the air box.

Has anyone tackled this repair before? Looking for some better ideas.

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erikv11
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Post by erikv11 »

Any way to get the connection made s fine, rubber, silicone, metal ...

Here's a great resource (first couple pages, anyway!); consider thin copper line as an alternative to repairing the pipe viewtopic.php?t=54895.
'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

rick4484
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Post by rick4484 »

erikv11 thank you, that's exactly what I was looking for.

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