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MAP Gauge Line Failure

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jkreidler

Joined: 13 Feb 2008
Posts: 151
Location: Sheboygan Falls WI

Posted: Mon Jan 28, 2013 4:48 am Post subject: MAP Gauge Line Failure

On Saturday our MAP gauge started to read ambient air pressure.  After a brief search I discovered that the piece of Tygon hose that connects the port on the firewall to the MAP sending unit mounted to the sub panel had split at the bottom of the service loop.  It looks like fuel (I assume) or other contaminants had worked into the hose and settled at the bottom of the service loop.  Apparently those contaminants and the Tygon tubing did not chemically agree.  We are running a GRT engine monitor, I do not recall if this tubing came from Vans or GRT.  Just a heads up - Jason

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_________________
Jason Kreidler
4 Partner Build - Sheboygan Falls, WI
Tony Kolar, Kyle Hokel, Wayne Elser, Jason Kreidler
N44YH - Flying - #40617

rv10flyer

Joined: 25 Aug 2009
Posts: 364

Posted: Mon Jan 28, 2013 8:38 am Post subject: Re: MAP Gauge Line Failure

This is what I used on mine. 



http://www.amazon.com/gp/aw/d/B0002KNVPE

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Wayne G.

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Mon Jan 28, 2013 8:51 am Post subject: MAP Gauge Line Failure

They make a Tygon that's made for fuel, which is what I used.

It's similar to this stuff on Amazon, but of smaller size,

and I got it from Aircraft Spruce:



http://www.amazon.com/Tygon-F-4040-A-Lubricant-Tubing-Length/dp/B000PHDLBI

Just track down Tygon F-4040-A

If you're familiar with model airplanes, it feels similar to the fuel

hose that is used for fueling those.



Tim



On 1/28/2013 10:38 AM, rv10flyer wrote:

 	  Quote: 	
		   



 This is what I used on mine.



 http://www.amazon.com/gp/aw/d/B0002KNVPE



 --------

 Wayne G.

 SB 12/01/2009-12/01/2011

 TT= 97.6





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 http://forums.matronics.com/viewtopic.php?p=393176#393176

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