From: captw1 (captw1@yahoo.com)
I did have a problem with leakdown on the rear of the
filter housing on my civvy(same housing as CUCV), I
think it was an O-ring problem, but I agree with
Robert in that that press. switch is just for
diagnostics.
--- Robert Anderson <rcakitty@hotmail.com> wrote:
> I have never understood this fuel pressure switch as
> having ANYTHING to do
> with starting/running. It is only used if you hook
> up an STE-ICE test
> instrument. Now IF it started leaking fuel, yes then
> it would cause problems
> by leakdown. But again, after some 10+ years of
> running the CUCV 6.2's (over
> a dozen trucks in total) I have yet to change
> pressure switch one. Boy, this
> is my day for running up stream (or am I)!! Another
> HMV thread !! I am
> beginning to wonder if these changes of the pressure
> switch are the repair
> some have tried to eliminate fuel leakdown
> (leakback) where in reality they
> should have followed the GM service bulletin (it
> suggests a different lift
> pump and a more positive seating valve on top of the
> injection pump).
> Robert Anderson
Capt W
Wilf Alexander
Bailieboro, Ontario, Canada
1952 Willys M38CDN jeep
1971 Yamaha 175 Enduro m/c
1967 Mack C95F fire pumper(former Ypsilanti Twp. Mi.)(for sale)
1968 Mack F763ST truck tractor (for sale)
1975 48' drop deck flatbed trailer
1985 Chevrolet C10 6.2L diesel pickup
1985 Chevrolet D30 CUCV M1008 w/winch
1988 Honda Goldwing 1500
1994 Chevrolet Caprice Classic LT1 9C1 police package(former Virginia State Police)
2002 Volkswagen Jetta TDI
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This archive was generated by hypermail 2.1.4 : Tue Jul 18 2006 - 21:40:42 PDT