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Engine Discussion of preventative/corrective maintenance and other technical issues regarding your coach's engine. |
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#1
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**Air in fuel lines and fuel leaking onto manifold ***
My bird would turn over but would not start ..... I got it running today . ( it also has a slow fuel leak , with accumulation on the manifold and ground ) The problem started by taking longer to start and then running on a few cylinders for a few minutes then would hit on 8 but wouldn't idle (with out my foot on the pedal ) until it was warmer 5-7 minutes . Then it wouldn't start at all ; thought I had bad fuel . I could hear the solenoid clicking open ( btw I think on mine you can deactivate it if it's not getting Power , is that true and is it safe to do? ) Ended up disconnecting the injectors one at a time and they had air in them , so I bleed them - reconnected - pumped the hand pump on the racor- loosened to bleed again -until the air was out of each one . It started immediately . *Problem is, there is still fuel leaking from somewhere around the bottom of the pump ; I tightened some lines and tried to tighten the bolts at the base I could get to in the back but it is still leaking some where near the bottom of the pump ...? I assume the air built up over time as the fuel leaked out , is that possible , depending on where the leak is ? Can the fuel leak from were it mounts to the manifold , I can tell from the diagram ? Is my next step taking off the radiator so I can see what's going in from the front ? Thanks !!
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Tom Reusing Riverside, CA 1980 FC35. SB 3208NA -210 HP |
#2
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Is there a small plastic line running from under your pump to the front of the valve cover and then down toward the ground along with a couple of others like it?
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Chap and Darra Enfinger Newton, GA 1982 FC33 (sold) 1986 PT40 8v92 "Sturdy Birdy" http://www.bbirdmaps.com/user1.cfm?user=352 ce@pinelandplantation.com |
#3
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I didn't notice one Chap but I'll look
Thx
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Tom Reusing Riverside, CA 1980 FC35. SB 3208NA -210 HP |
#4
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It may have been pulled off. Feel the bottom side of the pump and you should find a small hose barb where the line would have been attached. If that it where the fuel is coming from I'm guessing you have an internal seal leak.
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Chap and Darra Enfinger Newton, GA 1982 FC33 (sold) 1986 PT40 8v92 "Sturdy Birdy" http://www.bbirdmaps.com/user1.cfm?user=352 ce@pinelandplantation.com |
#5
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Will do .
Thx
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Tom Reusing Riverside, CA 1980 FC35. SB 3208NA -210 HP |
#6
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Can you post some pictures of where the fuel is leaking, etc. would help everyone to give you better guidance - probably save you some money as well if you have to take it to shop!
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Kevin Barnett Lumby, BC, Canada 1979 FC35SB the (SLO-CAN) : ![]() |
#7
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Could it be the throttle shaft seal?
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Tom Schott Ventura Ca. 1980 FC 35 SB |
#8
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Yes it could.
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Rick Shawver 1SG Ret 2000 LX Vise Grips Bellefonte, AR F127656 |
#9
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All three tubing lines leak to the ground.
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Bill Pape 1988 FC, Silver Edition Commerce, Michigan |
#10
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yes among other leak possibilities, usually referred to as "fuel in the valley"
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Bill Pape 1988 FC, Silver Edition Commerce, Michigan |
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