19J Fuel Pump Leak - Defender Source
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  #1  
Old February 7th, 2014, 11:04 PM
naw
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Nicole
1986 ex-MOD Defender 90
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19J Fuel Pump Leak

I am experiencing fuel leaking from my 1986 ex-MOD Defender 90 (19J), seemingly at the fitting between the 4th fuel injector pipe and the fuel pump. Prior to the current issue, I replaced this fuel pump line when the pipe experienced a crack part way down the line. The new line (Brit Part) worked well for two months until it started to slowly drip, seemingly at the fitting into the fuel pump. I then replaced the line with the OEM part from LR Direct. Two weeks later, the drip returned. It gets worse over time, dripping at a higher rate, eventually getting to the point where the 4th cylinder no longer fires due to insufficient fuel pressure/injection. The threads and flange on both the fuel pump and fuel injector line appear clean and in good condition.

Any ideas why this is leaking and what I can do to fix it? I appreciate any help!

The cleaner connection in the photos is the troubled fitting.
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  #2  
Old February 8th, 2014, 08:02 AM
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1of40
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1of40
NAS 97SW & 83 One Ten Tdi
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I was having what sounds like a similar problem and needed a quick fix. The first thing I thought of was trying plumbers tape. Funny enough it worked and has held for over a year now. Only regret is its a ghetto fix I'm not proud of.

Clay
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  #3  
Old July 5th, 2014, 06:52 PM
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xjahx
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JAH
'93 NAS 110, '94 NAS ST, '85 90 PU
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Any updates on the success of this solution, plumbers tape?

I have a similar leak at the connection between the body of the injection pump and the take offs of the hard injector lines.

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