I too am working with a diesel coolant system. I have a 1981 505s TD XD2S
engine. Yesterday I did the valve adjustment. They were not off by much, a
little tight. I spent the rest of the day replacing hoses and generally
investigating my new car. While I have the coolant reservoir off for the
valve adjustment I checked the hoses going to the heater core. One has been
cut off at the firewall the other removed from the right rear head port and
the hose which comes from the cluster by the water pump goes back into the
head bypassing the heater.
I got this car cheap from a used car dealership because their mechanic said
bubbles in the radiator mean blown head gasket. I wrote about this when I
first joined this wonderful group last Summer. I have decided to drive the
car as it is not blowing out coolant hoses. I investigated the heater core
and it looks like the valve is what was leaking.
Here is my hypothesis: I believe the valve couldn't handle the increase in
coolant pressure due to either an obstruction or a head gasket leak. After
seeing the heater core bypass job, I think this car has been pressurising
the coolant lines for a long time. I am considering installing a valve in
the hose going to the heater core, to protect the heater valve in the
Summer. Any thoughts on this?
During my investigation under the hood, I am looking at this canister in
front of the vacuum bottle. It has two fuel lines and what looks to be a
fuel reservoir in the bottom. Perhaps a pre-fuel filter/strainer water
separator thing? I can't figure out how to pull it out for maintenance. It
is mounted to the left hand wheel well with plumbers strap, so it may be an
add-on. It has some kind of drain in the bottom, which goes through the
wheel well to the ground. I can't tell if it was original equipment or what.
Please advise
Sincerely,
Brian Rodgers
OnOn 4/15/06, Brian Holm <peugeots@vtlink.net> wrote:
>
> Richard,
>
> The radiators should be equal in performance. There isn't a factory
> hose that will connect your water pump with that radiator, but there
> is an aftermarket one that will work fine. You could use 604 lines
> to connect the transmission with the heat exchanger. That would
> probably be preferable to an external cooler.
>
> Brian Holm, Used and New Parts for Peugeots
>
> At 06:03 PM 4/15/2006, pugmanvancan wrote:
>
> >Hi, hoping someone more knowledgeable than I can give their two cents
> >worth. I have received (thanks Chuck) a replacement radiator for my
> >'85 XD2S turbo diesel. It came out of a 604 TD so is slightly
> >different to the one in my '85 505. Firstly the top hose connects to
> >the same side as the bottom hose and secondly the auto trans cooling
> >lines are on the opposite side. Ok so I can get around the trans
> >cooling by going with an aftermarket cooler but will it make a
> >difference to engine cooling if I now have both hoses connecting to
> >the same side. How does the cooling compare between radiators?
> >
> >Will I have better, worse or the same cooling with the replacement?
> >
> >cheers
> >
> >Richard
> >
>
> Brian Holm, Parts for Peugeots
> at Peugeot Holm, since 1969
> 2120 Maple Hill
> Plainfield, VT, 05667
> 802-454-7132, fax -1310
> ----------
>
--
High tech in the wild wild west.
www.outfitnm.com
Our cool old machines:
1981 Peugeot 505s TD
1974 Mercedes 250
1974 BMW Bavaria
1956 International Utility 460 Tractor
[Non-text portions of this message have been removed]
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Received on Sun Apr 16 08:09:30 2006
