1990 4.2 oil leak from fuel pump - Jeep Wrangler Forum

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Old 06-18-2013, 03:54 AM   #1
Join Date: Jun 2013
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1990 4.2 oil leak from fuel pump

im new to the jeep scene and i just bought a 90 yj and it leaked oil and blowed oil all the way home. cleaned the oil off so i could see where coming from, it is a small drip from from around the fuel pump when idle,when i rev it up it blows oil all over side of engine. do i need to replace the fuel pump.

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Old 06-18-2013, 07:35 AM   #2
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Join Date: Aug 2011
Posts: 73
I would replace fuel pump. Gasket is probably bad if that's where leak is coming from. Very cheap and easy thing to do.

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Old 06-18-2013, 11:36 AM   #3
Join Date: Jun 2013
Posts: 30
gaskets crease very easily, better off gluing it on with sillycone since you need to contort the drive arm on the cam drive to get the bolts in.
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