putt.DeleteThis@webtv.net wrote:
> >The TSB ground wire was attached with
> > core #3 and the new wiring harness.
> > Also a lower pressure cap. Since Dad's
> > death I have not put 2k miles on core
> > #4. Obviously the dealer in question is
> > incapible of getting it right, and since it's
> > an all day labor job, they are tired of
> > replacing it too. I have heard that using
> > an aftermarket core instead of the Ford
> > piece might be useful also
>
> Well if that ground wire was properly attached, then I suspect cooling
> system maintenance. My truck is an '81F100 that I bought new. The OEM
> core lasted 11yrs. I replaced it with a well know brand name core. It
> lasted 10yrs and was again replaced. The truck has 300K miles on it now
> and I'm looking at another 5-7 yrs to the next replacement time. I
> back-flush and replace coolant every two years....religiously. If the
> cooling system was properly maintained and the ground wire_is_properly
> attached, then the only thing left is.....water! Try using distilled
> water instead of 'hose' water. All these 50/50 premixed coolants use
> distilled water. I've never used the premixed type and don't intend to,
> but since distilled water is 'inactive', it's something you might
> consider using in your system.
> Hope this is of some use....
>
> Dave S(Texas)
We're talking an average of 2-3 MONTHS per heater core! We're talking
about a truck that's been PARKED for the last two months! I assume that
new coolant was used for each install, and it certainly hasn't had time
to contaminate.and I might point out that Dad's OEM core lasted 10
years also! I know the service manager had warned Dad about other
instances of 5-6 heater cores being replaced in a short period of time
(not by that dealer but apparently from Ford horror stories). They
really wanted him to trade it. By the way, they also put a restrictor
in the heater hose as per Ford tsb's. I just want to get the damn thing
fixed long enough to sell it. I'm a hard core Dodge guy and this ain't
helping my opinion of the F-word trunks! That 3 dollar can of stop leak
is starting to look REAL good.
. Anyway again, I appreciate all the
advice.
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