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Old 10-24-2012, 11:58 PM   #1
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Bob King's Avatar
Alpine Owners Club
Join Date: Feb 2006
Location: Ojai, California
Posts: 165
Something to check

On the way home from a trip to San Jose and Tehachapi, CA, I stopped in Santa Paula about 18 miles from home) to fill the fuel tank as I didn't want the tank so low while parked. A couple of days later I noticed a large fuel stain under the front of the coach. Tracked the problem to a split in the tank vent line up to the filler neck. The hose had several splits at the connection to the tank. The connection is about 2 inches below the top of the tank so when the tank is full there is fuel in the vent line and it was dripping down the tank and to the ground. After coming home from Chula Vista and Miramar, the fuel was low enough to remove and replace the line. I was going to cut off the replace the end where it had a bend in it (where i could see the cracks) but after I got the hose out, I could see age cracks on the full length. It takes 5 feet of 5/8" fuel hose and and a few cable ties to replace. Total cost (no labor included) was less the $21.00. Sorry for the long explaination.

'04 Alpine 36 FDDS
Bob, Ojai, CA
K6OHI - Monitor 146.52
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Old 10-25-2012, 08:25 AM   #2
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You should also check the short hose connection at the bottom of the fill tube as this has fuel in it all the time. I replaced mine recently as it was getting soft and the clamps were cutting in to the rubber.

John and Mary Knight
2015 Newmar Ventana 4311 - wheelchair accessible
2015 Cadillac SRX Luxury AWD
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Old 10-25-2012, 08:53 AM   #3
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When we bought our coach they were nice to fill the tank for us but after fueling we noticed fuel leaking from the vent line.They replaced the line but ran it low along the filler neck and on our next fuel stop we could barley run any fuel into the tank without it gushing back out.I unfastened the vent line and ran it as close to the top of the filler neck as I could get it and now it will take on fuel as fast as you can throw it in.
Jim & Elissa Edmonds
2003 34FDDS Alpine Banks 430hp #74869
Viola, Idaho 3rd Armored Cav & 3rd Infantry Division
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Old 10-25-2012, 09:58 AM   #4
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Location: Durango CO
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^ Yep, hard to believe how they ran the fill hoses and vents. On ours if I try to fill from the driver's side my tank holds about 80gal then I have to trickle the fuel in, from passenger's side it will fill full speed from the truck nozzle to the full 100gal.

Looked at the fill/vent hose routing and there's a large belly in both on the driver's side. Filling either side I just take both caps off, helps quite a bit.
The above post is just my experience/opinion which is worth exactly what you paid for it.

'05 Lance 845/'06 F-250 or '99 Alpine 36SDS Usually towing an '01 Wrangler locked on 35"s or moderate '98 Cherokee on 33"s (rear locker only)
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