Brake booster vacuum hose material: What hoses can be safely used?
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From: ATL to SAV to ORL, USA
How important is the hose material for the vacuum line from the brake booster to Intake manifold? I know the 1 way valve is needed (and must be installed the right way), but waht about the hose material?
The line I am currently using (no problems in 2 months of driving)
Earl's Pro-Lite 350 -6

I was going to extend the brake booster line to "hide", but decided I will not after reading this thread:
Brake booster hose length discussion: HERE
Braided line for Brake booster: HERE
Thanks for any info with this
The line I am currently using (no problems in 2 months of driving)
Earl's Pro-Lite 350 -6
I was going to extend the brake booster line to "hide", but decided I will not after reading this thread:
Brake booster hose length discussion: HERE
Braided line for Brake booster: HERE
Thanks for any info with this
As long as it has the proper heat, pressure, and vacuum specs, and is compatible with oil/fuel, I would think pretty much any hose would do. The only problem I see with using AN hose is connecting it to the check valve and the barbs on the booster and IM, although you could probably just use hose clamps. I guess you could also use a sleeve nut/adapter on the barbs, but the check valve is plastic, so you're pretty much stuck with hose clamps there, unless someone makes an aftermarket one.
Thread Starter
Honda-Tech Member
Joined: Mar 2002
Posts: 7,506
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From: ATL to SAV to ORL, USA
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by inspyral »</TD></TR><TR><TD CLASS="quote">As long as it has the proper heat, pressure, and vacuum specs, and is compatible with oil/fuel, I would think pretty much any hose would do.</TD></TR></TABLE>
Looking at the article on the 350:
-- Is Compatible with oil, fuel, and coolant
-- ability to withstand high vacuum & hot oil temperatures
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by inspyral »</TD></TR><TR><TD CLASS="quote">The only problem I see with using AN hose is connecting it to the check valve and the barbs on the booster and IM, although you could probably just use hose clamps. I guess you could also use a sleeve nut/adapter on the barbs, but the check valve is plastic, so you're pretty much stuck with hose clamps there, unless someone makes an aftermarket one.</TD></TR></TABLE>
I believe the 1way valve was a very tight fit with the hose so I did not use any clamps. I will have a clamp on the boosster and IM.
This site HERE states the Pro-Lite 350 can winthstand 27inches/hg of vacuum pressure
Is that a lot?
Modified by Fuster_Cluck at 12:44 PM 3/9/2008
Looking at the article on the 350:
-- Is Compatible with oil, fuel, and coolant
-- ability to withstand high vacuum & hot oil temperatures
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by inspyral »</TD></TR><TR><TD CLASS="quote">The only problem I see with using AN hose is connecting it to the check valve and the barbs on the booster and IM, although you could probably just use hose clamps. I guess you could also use a sleeve nut/adapter on the barbs, but the check valve is plastic, so you're pretty much stuck with hose clamps there, unless someone makes an aftermarket one.</TD></TR></TABLE>
I believe the 1way valve was a very tight fit with the hose so I did not use any clamps. I will have a clamp on the boosster and IM.
This site HERE states the Pro-Lite 350 can winthstand 27inches/hg of vacuum pressure
Is that a lot?Modified by Fuster_Cluck at 12:44 PM 3/9/2008
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