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Join Date: Jun 2000
Location: N. Phoenix AZ USA
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Fuel leak in rear of the car
Drove the 911 the other day and heading back home (it was a 25 mile jaunt... one way) started smelling fuel. Pulled over and did not see a thing so headed back on the hiway and the smell stayed with me.
Pulled into the driveway and sure enough there was some drips on the right side of the car coming from the back of the car. It leaks only when the engine is running so is a pressure leak once the fuel pump/engine is going. Its a 1985 911 thats got a 3.6 in the back. If it was coming from the front would suspect the fuel hose coming out of the fuel tank but cannot see anything at this time. Anyone had something like this happen and suggestions where to look? TIA!
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 2010 Jaguar XF (fast touring car), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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09-05-2020, 01:12 PM
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Locating a fuel leak..........
Joe,
Perform a fuel flow/pressure test without running the motor just the fuel pump. Bridge fuses #16 & #17 and start your search. The fuel leak would be evident by the wet spot on the garage floor and focus above that location. Keep us posted. Tony |
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09-05-2020, 02:15 PM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
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Tony,
Thanks for the suggestion. Its 114 here today and tomorrow so will give it a shot later on this week! Joe A
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 2010 Jaguar XF (fast touring car), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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09-05-2020, 04:45 PM
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Yes do it outside or with a lot of ventilation and a fire extinguisher handy.
You can look at the fuel routing by following the fuel line from the filter around the engine, you may be able to locate the leak without pressuring the system. |
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09-05-2020, 10:26 PM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,851
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Thanks and after being on fire (twice) I rarely even blow my nose without an extinguisher around!
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2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 2010 Jaguar XF (fast touring car), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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09-06-2020, 10:12 AM
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Location: New Hampshire
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Typically its a Feed Hose (High Pressure) and with a 3.6 Motor the Feed from the Filter connects to the Right Side of the motor near #4 cylinder. Do you still have the original 3.2 Filter on the Left side? If so the Feed hose crosses around in front of the motor and connects on the right at #4. Len
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09-06-2020, 06:12 PM
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
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Len,
Thanks and will have to check on the old 3.2 version fuel filter. Its been a while since I have been back there. Am guessing that we left it there and that this hose may be the issue. Thanks!! Joe
__________________
2013 Jag XF, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 2010 Jaguar XF (fast touring car), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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09-07-2020, 08:42 AM
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Location: New Hampshire
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Just wondering what you found Joe.... Hopefully it was minor. Len
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12-05-2020, 07:48 AM
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