I have small bubbles in one racor . Any suggestions?
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Thread: Fuel bubbles in racor
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10-30-2019 10:14 AM #1Registered Member
- Join Date
- May 2005
- Posts
- 23
Fuel bubbles in racor
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Re: Fuel bubbles in racor
Check the o rings , probably need to be replaced. A new filter comes with a new o ring
Looking for a 80 plus foot yacht
Hatteras of Cheoy Lee
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Re: Fuel bubbles in racor
Air being pulled into the Racor. Start at the most common places, o ring on T handle,or lid gasket. Smear some Vaseline onto each and tighten for a quick check.
Capt. Rob
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Re: Fuel bubbles in racor
If the bubbles are coming from the bottom of the Racore while the motor is running you may have a crack or the dump valve on the bottom has a leak. Mine did and I had to change it, it fixed it immediately.
SEVEN
1979 53' MY Hull #563
Antioch, California
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10-31-2019 09:40 AM #5Senior Member
- Join Date
- Jun 2012
- Posts
- 529
Re: Fuel bubbles in racor
I have bubbles in one rancor also, they disappear when I switch to the other tank. This means a leak in the supply lines. I haven’t found the culprit yet, but I suspect a hole in the standpipe in the tank.
JMooney
61 MY 1983 #341
“Jerrie”
Miami , FL
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10-31-2019 11:26 AM #6Senior Member
- Join Date
- Jul 2013
- Posts
- 1,188
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11-01-2019 12:11 PM #7
Re: Fuel bubbles in racor
From an old MB&S magazine look a this Tip: " If bubbles rise up through the bowl, the pet cock is leaking. Should boubles circulate from the intake down across the turbine area, there is a leak between the fuel tank and the filter ". I hope this helps.
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Re: Fuel bubbles in racor
If the bubbles are big enough you can end up with an air bound engine.......been there when, had to get mechanic to come and prime the engine, no fun....
Gene
Former Owner 1974 Hatteras Yachtfish
Glittering Image
Hull # 50
Total Production 1972-1975 Sixty Four