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Air box vaccum line P/N ?

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

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Mr. Detail
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Air box vaccum line P/N ?

Post by Mr. Detail » Mon Jun 19, 2017 12:53 pm

Gentlemen;
Just broke off an old, dry rotted plastic air line on the back of my air filter box and I can't figure out what the part number might be.
It has a 90 degree elbow that attaches to the backside (windshield side) of the air box. It is the upper one of two.
The diameter of this air line is very small (maybe .125" Dia.) and is made of hard plastic. Any advice?

Mr. Detail
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Re: Air box vaccum line P/N ?

Post by Mr. Detail » Mon Jun 19, 2017 12:57 pm

Gentlemen;
Just broke off an old, dry rotted plastic air line on the back of my air filter box and I can't figure out what the part number might be.
It has a 90 degree elbow that attaches to the backside (windshield side) of the air box. It is the upper one of two.
The diameter of this air line is very small (maybe .125" Dia.) and is made of hard plastic. Any advice?

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abscate
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abscate

Re: Air box vaccum line P/N ?

Post by abscate » Mon Jun 19, 2017 2:29 pm

If you can wait a bit I think I scavenged one of my 99 parts car that should work?
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Mr. Detail
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Mr. Detail

Re: Air box vaccum line P/N ?

Post by Mr. Detail » Tue Jun 20, 2017 7:43 am

abscate, sure. Do you mean to say that an old part on a "99" (Saab ?) will fit my S70?

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Re: Air box vaccum line P/N ?

Post by erikv11 » Tue Jun 20, 2017 7:54 am

Get a generic replacement vacuum line that fits both ends, you don't need to the combination of rubber elbows and plastic line. Use rubber hose or silicone hose, just take the broken piece to any auto parts store and tell them how long it needs to be. This is a good time to replace all of the lines as they are 20 years old and many will be cracking and rotting.

See viewtopic.php?f=1&t=65002
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 285k
'06 S60 R, 165k
'99 Camry V6 :shock: 125k
gone: '96 NA 850 210k, '98 NA V70 182k

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theWIFES_S70
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theWIFES_S70

Re: Air box vaccum line P/N ?

Post by theWIFES_S70 » Tue Jun 20, 2017 8:47 am

Is this an N/A? You're talking about the vacuum line connected to the airbox thermostat, right? Since I airbox delete, I just capped off those lines and it's been fine since.
1998 Volvo S70, N/A, 5-speed, 183K
2007 Volvo S40, 2.4i, 5-speed, 97K

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abscate
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abscate

Re: Air box vaccum line P/N ?

Post by abscate » Tue Jun 20, 2017 11:33 am

Mr. Detail wrote:
Tue Jun 20, 2017 7:43 am
abscate, sure. Do you mean to say that an old part on a "99" (Saab ?) will fit my S70?
I parted out a 1999 V70 which should fit exactly. I'm not back to my parts stash until Friday though
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1999-V70-T5M56 2005-V70-M56 1999-S70 VW T4 BMW
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Mr. Detail
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Re: Air box vaccum line P/N ?

Post by Mr. Detail » Wed Jun 21, 2017 7:52 pm

Yes, this is a N/A engine. On the back side of the air filter box (side that faces the windshield) there
are two male nibs sticking out. The top line broke away. It had a hard plastic 90 degree elbow on the end
that attaches to the airbox. It seems weird that i can't find any diagrams online that show these two lines.

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erikv11
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Re: Air box vaccum line P/N ?

Post by erikv11 » Thu Jun 22, 2017 12:57 am

Mr. Detail wrote:
Wed Jun 21, 2017 7:52 pm
... It seems weird that i can't find any diagrams online that show these two lines.
Read my post up above. In the included link, you will see three different Volvo diagrams/stickers that include the broken line you mentioned; it is described as "line #2" in that post and it runs from the airbox nipple to the vacuum tree. There are also detailed pictures showing how to replace it.

Trying to use an exact fit to the factory part for that broken vacuum line, would make this repair much harder than it needs to be.
'95 854 T5-R, Motronic 4.4, 185k
'96 855 NA, 145k
'98 S70 NA, 220k (living out west)
'98 V70, T5 tune-injectors-turbo, LPT engine, 285k
'06 S60 R, 165k
'99 Camry V6 :shock: 125k
gone: '96 NA 850 210k, '98 NA V70 182k

Mr. Detail
Posts: 357
Joined: Wed May 03, 2006 11:21 am
Year and Model: 2002 V70 N/A
Location: Newtown Square, Pennsylvania
Has thanked: 13 times
Been thanked: 2 times
United States of America
Mr. Detail

Re: Air box vaccum line P/N ?

Post by Mr. Detail » Thu Jun 22, 2017 6:07 am

Thanx much "erikv11". I will review.

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