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Old 14-08-2013, 13:21   #1
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Leaky Fuel Injection Pump 4.108 Perkins with Mechanical Advance

have a leak at the advance block dont have a diagram but it goes on the bottom of the pump has a stud on one side with a cap nut to hold it down & on the other side it has a large bolt with 2 o rings & a BB. the leak is aat this point between this block & the injector body. tried making a gasket, no good.went to injector shop they gave me a couple of gaskets that were close but didnt fit exactly. try with & with out sealer. still drips a drop every 5 - 10 sec. engine runs perfect just has a damn leak

HELP!!!!!!!!!!!


KEVIN
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Old 14-08-2013, 15:27   #2
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Re: leaky fuel injection pump 4.108 perkins with mechanical advance

There have been numerous threads written on the throttle shaft leaking. Are you sure thats not where yours originates? If so do a search for the threads and look to replace the shaft o rings.
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Old 15-08-2013, 13:32   #3
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Re: Leaky Fuel Injection Pump 4.108 Perkins with Mechanical Advance

no, its not from the throttle shaft, its leaking around something called an advance device,,,,,,
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Old 15-08-2013, 14:00   #4
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Re: Leaky Fuel Injection Pump 4.108 Perkins with Mechanical Advance

Give transatlantic diesels a call. TAD
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Old 15-08-2013, 14:37   #5
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+1 on transatlantic diesel.
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