From: Michael J. Hill (wild800@pacbell.net)
Date: Thu May 22 2003 - 10:59:52 PDT
Neil,
Replace the switch and the O-ring. They are available from elsewhere on
the list (senior moment in the memory system <grin>). The diaphragm in
the switch get brittle and will seep, leak, pressure down the fuel
system.
The switch is inexpensive $10.00-$15.00 bucks. (moment of clarity Olsen
something was where I got my two switches) After replacing the switch,
bleed the system according the manual. Should take care of the problem.
On your other thought the Civy filter and base will swap out, a little
different locations on the lines and mtg. bolt locations. The GM# on the
box I have is #10149548. I R&R the switch and kept it all original.
>From My notes:
Filter is stanadyne Model 80
Base Assembly; Stanadyne #24286
Switch PN 26159
Switch NSN 5930-01-208-6292
You can contact Stanadyne directly with the above number and the
Technician can break out all of the parts involved with the base
assembly and find a dealer near you.
Mike Hill
EMT-1
New Titanium hip "03 Model" (can't wait to play with MV, still in R&R)
KG6FJI
MVPA 25988
86-M1009
84-M105A2
(no cool shop phone :( )
"Neil E. Amrhein" wrote:
>
> List,
> I had a leak coming from around my fuel filter on my CUCV. I determined
> that the source of the leak was the pressure switch in the filter base, so I
> replaced the O-ring with a new one from a fellow list member. That seemed to
> fix the problem, but it was, apparently, not a permanent fix. Now, either
> the switch is leaking, or the O-ring is leaking again, and I really don't
> want to have to mess with this problem anymore in the future.
> I did some research and found that, in the spirit of the glow-plug relay
> setup, the military continued to use this early (and troublesome) style
> throughout the CUCV production, even though GM re-designed the setup. GM
> issued a TSB for these early-style filter bases, instructing technicians on
> how to remove the pressure switch and tap the hole to accept a screw or
> bolt.
> Has anyone ever done this on their truck? It seems like an awful lot of
> work, when I could probably swap on a civilian equivalent filter base and
> fix the problem. I have not yet closely compared the CUCV filter base to the
> one on my civilian '88 6.2, but I cannot imagine that I could not use a
> civilian one on the CUCV. Any thoughts?
>
> Thanks,
> --Neil
>
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