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Old 08-03-2014, 02:59 PM
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Join Date: Jul 2014
Posts: 2
Fix needed for Primer pump leak - 1982 240D

I have an 82 240D with a white plastic primer pump. After using and re-tightening, there is a slow fuel drip. Tightening more has reduced leak but not stopped it. Don't want to tighten any more for fear of damage.

Is there a washer under the screw cap? If so what is procedure to replace.

It looks like the plastic body of the pump might unscrew from the metal housing.

If so should the pump assembly be replaced?

Thanks in advance.

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Old 08-03-2014, 03:57 PM
pwogaman's Avatar
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Join Date: May 2003
Location: Northern, Virginia
Posts: 2,022
Install the updated pump: Here's my payback! Diesel Primer Pump Replacement

Peach Parts W124.128 User Group.

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Old 08-04-2014, 11:56 AM
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Join Date: Jul 2014
Posts: 2
Problem Solved

Thank you for the excellent post and photos.

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