Re: *SPAM* CUCV 1009 Card Me... I'm under age

From: Robert Anderson (rcakitty@hotmail.com)
Date: Thu Feb 09 2006 - 17:45:26 PST

I knew the minute I mentioned this, SOMEBODY would ask for specifics, so
here you go, Bruce, et all! Its subject is: HARD STARTING COLD and is
Chevrolet bulletin 89 - 329 - 6 for those of you can access the GM online
bulletin system. The correct term for the valve is: Housing Pressure Cold
Advance regulator valve assembly GM Part No. 10149645. This REPLACES the
existing ball check regulator valve. I have found a few of these that have
been replaced by the Government so IF yours has a two piece assembly (black
plated valve and brass nipple screwed into it), it's already been modified.
The original is one piece black plated. The other part to be replaced is
the lift pump (lower front curb side of engine). Its GM Part No. is:
25116503 (If you have access to the AC Delco parts system, you can buy the
identical same pump for less $$ under Part No. 43254. Do this one and the
glow plug system O/H and IT will start after sitting for MONTHS (well, okay,
the ambient temperature MIGHT play a bit role here)!!! Happy MVing - -
weak flame shields up! Robert

>From: "Bruce C. Beattie" <bruce@eecs.berkeley.edu>
>To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
>Subject: Re: [MV] *SPAM* [MV] CUCV 1009 Card Me... I'm under age
>Date: Thu, 09 Feb 2006 16:11:56 -0800
>
>Hi Robert,
> Do you have the part numbers for those?
>I did have a problem a while back with hard starting, and replacing the
>preassure switch did fix it.
>But it would be noce to upgrade to those parts you refered to.
>Bruce MVPA 23824
>
>Robert Anderson 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
>
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