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Old 10-29-2014, 09:45 AM   #1
Junior Member
Join Date: Nov 2013
Posts: 3
Unhappy Unknown Engine Hose connection

I have a 1997 Four Winds Hurricane, and live in the UK so treat me gently.
I recently removed the air inlet at the two intake connections, there were two other connections, one is a vacuum pipe from where I know not, the other was to the LPG evaporator. That is fine I know what they are, but just behind the distributor is a vertical connection in the block, with a 3/8" hose connector a 90 degrees. This is also sucking therefore is a vacuum connection. ( See photograph) My question is where does the small connector connect to, it has never had anything connected whilst I have had the RV and sucks air all the time. If I block the opening the RPM drops slightly.
Has anyone any thoughts on the matter, or knows and can enlighten me?

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Old 10-30-2014, 08:52 AM   #2
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Join Date: Feb 2014
Posts: 169
Maybe post your question under the RV Forums / 'Chassis Club' - from there you can pick your manufacturer and might get some response. Good luck!
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