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Windshield washer tubing in place of vacuum line #4808787
07/09/18 04:09 AM
07/09/18 04:09 AM
Joined: Sep 2013
Posts: 10,615
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,615
Indiana
I am replacing the vacuum lines from the intake to the transfer case on my truck. Oreilly did not have 5/32" bulk vacuum hose, but they did have some Prestone windshield washer tubing in 6' sections. I was in a hurry and therefore was an idiot and did not read before making the purchase. I bought 2 6' sections.

Should this stuff be okay to use? My concern is the heat causing it to fail. It has to run down next to the engine/ transmission and back to the transfer case.

Thanks.


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4808789
07/09/18 04:15 AM
07/09/18 04:15 AM
Joined: Mar 2010
Posts: 654
NY
mx5miata Offline
mx5miata  Offline
Joined: Mar 2010
Posts: 654
NY
is there any markings on the tubing?

Last edited by mx5miata; 07/09/18 04:17 AM.

NAPA FULL SYNTHETIC 0w20 Partsplus oil filter
Wix air filter
Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4808795
07/09/18 04:25 AM
07/09/18 04:25 AM
Joined: Nov 2006
Posts: 20,389
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,389
MA, Mittelfranken.de
No, don't use that you are correct heat may be an issue. Get some nylon tubing and connect with a short piece of rubber hose at each end.
Do not use any old carp, use DOT polyamide 11 stuff, it will last forever. Call these guys.

https://www.freelin-wade.com/nylon-11-DOT-tubing#1


ASE L1, Master. Deutsch Meisterbrief.
Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4808824
07/09/18 05:51 AM
07/09/18 05:51 AM
Joined: Dec 2011
Posts: 5,000
North Carolina
rooflessVW Online content
rooflessVW  Online Content
Joined: Dec 2011
Posts: 5,000
North Carolina
Washer tubing in place of vacuum line - no.

Vacuum line in place of washer tubing - sure.

For either, you can get a 10ft roll of silicone on eBay for like $6.


"Zed's dead baby, Zed's dead."
Re: Windshield washer tubing in place of vacuum line [Re: Trav] #4808872
07/09/18 07:05 AM
07/09/18 07:05 AM
Joined: Sep 2013
Posts: 10,615
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,615
Indiana
Originally Posted By: Trav
No, don't use that you are correct heat may be an issue. Get some nylon tubing and connect with a short piece of rubber hose at each end.
Do not use any old carp, use DOT polyamide 11 stuff, it will last forever. Call these guys.

https://www.freelin-wade.com/nylon-11-DOT-tubing#1


Just curious what the rubber at the end would do? Is this just not as flexible as silicone/ rubber?


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4808936
07/09/18 08:20 AM
07/09/18 08:20 AM
Joined: Oct 2014
Posts: 12,328
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,328
Idaho
The windshield washer tube hose will work fine until it sees vacuum and collapses. No it is the wrong application.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Windshield washer tubing in place of vacuum line [Re: CT8] #4808951
07/09/18 08:37 AM
07/09/18 08:37 AM
Joined: Dec 2004
Posts: 2,556
Chicago Area
opus1 Offline
opus1  Offline
Joined: Dec 2004
Posts: 2,556
Chicago Area
Originally Posted By: CT8
The windshield washer tube hose will work fine until it sees vacuum and collapses. No it is the wrong application.

This is the first thing that came to my mind.


Current Fleet:

2010 Hyundai Sonata GLS
2009 Chevy Cobalt SS Sedan (yes,the turbo)
2002 Dodge Dakota SXT Club Cab
1994 Ford Ranger XLT (RIP, Dad)
Re: Windshield washer tubing in place of vacuum line [Re: opus1] #4808963
07/09/18 08:51 AM
07/09/18 08:51 AM
Joined: Nov 2013
Posts: 1,945
Chicago, IL
EdwardC Offline
EdwardC  Offline
Joined: Nov 2013
Posts: 1,945
Chicago, IL
Originally Posted By: opus1
Originally Posted By: CT8
The windshield washer tube hose will work fine until it sees vacuum and collapses. No it is the wrong application.

This is the first thing that came to my mind.


Same here, the two types of hose are made to handle opposite types of pressure. I may not worry so much about the under hood temps (since the washer hose should be designed to handle the same environment), but I wouldn't want the hose to collapse under vacuum.

Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4809030
07/09/18 09:43 AM
07/09/18 09:43 AM
Joined: Nov 2006
Posts: 20,389
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,389
MA, Mittelfranken.de
Originally Posted By: dlundblad
Originally Posted By: Trav
No, don't use that you are correct heat may be an issue. Get some nylon tubing and connect with a short piece of rubber hose at each end.
Do not use any old carp, use DOT polyamide 11 stuff, it will last forever. Call these guys.

https://www.freelin-wade.com/nylon-11-DOT-tubing#1


Just curious what the rubber at the end would do? Is this just not as flexible as silicone/ rubber?


As with nylon there are many types and grades, on my VW every vacuum hose is thick wall silicone, its works great, not cracks, resist heat, stays flexible at extreme cold temps doesn't loose it pliability, etc.

http://www.hps-siliconehoses.com/hps-silicone-vacuum-hoses-silicon-tubing.html

Make it once with the best materials and it will be better than OE and you can forget that issue for many many years or decades.

Last edited by Trav; 07/09/18 09:45 AM.

ASE L1, Master. Deutsch Meisterbrief.
Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4809052
07/09/18 10:04 AM
07/09/18 10:04 AM
Joined: Sep 2004
Posts: 7,712
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,712
Marshfield , MA
When the steel vacuum lines to the front axle on the Grand Wags rotted. I replaced it with a length of hose that was cable tied to the fender. Not run underneath the ex manifold. I am liberal when I replace factory wiring/plumbing because factory is clotheslined to the mm. Granted it is 24 yrs old, but the wiring on the Rat is shrinking as the jackets on wiring harden. It shrinks away from the ends and exposes stressed copper strands to the elements. They either turn green and break, or just break. grin2


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4809140
07/09/18 11:01 AM
07/09/18 11:01 AM
Joined: Sep 2007
Posts: 1,012
TX, USA
JMJNet Offline
JMJNet  Offline
Joined: Sep 2007
Posts: 1,012
TX, USA
I don't think windshield washer tubing can withstand any pressure/vacuum, may be at the lower end but how much?
It is mainly a regular water tubing.

The vacuum tubing is a vacuum/pressure tube made to withstand vacuum/pressure.
The pressure in a car vacuum system is actually high, don't recall how high but it may be more than a windshield washer tubing can handle.

The AC system, brake fluid system, power steering, transmission system and fuel system have even higher pressure potentially plus need the ability to withstand the appropriate fluid passing through it.
Those lines/tubing are made using special crimp with high pressure hoses and threaded fittings.


Last edited by JMJNet; 07/09/18 11:04 AM.

  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Windshield washer tubing in place of vacuum line [Re: dlundblad] #4809189
07/09/18 11:42 AM
07/09/18 11:42 AM
Joined: Aug 2010
Posts: 5,841
Champlain/Hudson Valley
Kira Offline
Kira  Offline
Joined: Aug 2010
Posts: 5,841
Champlain/Hudson Valley


I went for "bold & beautiful blue".

Re: Windshield washer tubing in place of vacuum line [Re: Trav] #4809828
07/10/18 04:02 AM
07/10/18 04:02 AM
Joined: Sep 2013
Posts: 10,615
Indiana
dlundblad Offline OP
dlundblad  Offline OP
Joined: Sep 2013
Posts: 10,615
Indiana
Originally Posted By: Trav
Originally Posted By: dlundblad
Originally Posted By: Trav
No, don't use that you are correct heat may be an issue. Get some nylon tubing and connect with a short piece of rubber hose at each end.
Do not use any old carp, use DOT polyamide 11 stuff, it will last forever. Call these guys.

https://www.freelin-wade.com/nylon-11-DOT-tubing#1


Just curious what the rubber at the end would do? Is this just not as flexible as silicone/ rubber?


As with nylon there are many types and grades, on my VW every vacuum hose is thick wall silicone, its works great, not cracks, resist heat, stays flexible at extreme cold temps doesn't loose it pliability, etc.

http://www.hps-siliconehoses.com/hps-silicone-vacuum-hoses-silicon-tubing.html

Make it once with the best materials and it will be better than OE and you can forget that issue for many many years or decades.


I was going to buy 20' of hose but they want $26.xx for shipping. That's the cheapest option.

I realize silicone is better than rubber.. I was just trying to buy everything local to speed things up a bit.


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980


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