1985 PT-40 Radiator Question

[curlesw]

Thanks Jay, very helpful.

Did you have to "bleed" the heater system as noted in the manual?
Also, do you turn all on all three heater chassis or will one suffice?

v/r
Wayne C.
San Diego, CA
1985 PT-40


--- In WanderlodgeForum@yahoogroups.com, "Jay Darst"
wrote:
>
> Wayne,
> I replaced the thermostats in the 6V92 last year. That procedure
> required draining much of the anti-freeze.
>
> When it came time to refill, I used a 4 foot step ladder and a
helper.
>
> You'll need a funnel with a flexible hose, 6 gallons of Ethyl
Glycol
> Concentrate, 6 gallons of Distilled Water and a bottle of
Fleetguard
> DCA-4 additive and a 6-pak of test strips.(go to the local big
truck
> store for the additive and test strips). You may need more
antifreeze
> and water, pends on how much is been drained.
>
> May want to go ahead and drain whats left and refresh the system at
> this time. If you are mechanically inclined, and you want to do
> diligence/preventive maintenance and replace the thermostats and
> water pump, if you have no record of such update.
>
> Using a coat hanger or other stiff wire, configure the wire to hold
> the funnel upright so you can use both hands to pour the antifreeze.
>
> I bought gallons of concentrated ethyl glycol and gallons of
> distilled water. Added a gallon of antifreeze then a gallon of
> distilled water, then a gallon of antifreeze then a gallon of
> distilled water, etc until full up to the radiator cap.
>
> Then, with the winter/summer switch set to winter and the
thermostat
> for the chassis heat set as high as it goes, take 'er out for a
ride.
> Make sure you reach operating temp. If the engine alarm sounds, you
> can be reasonably sure you'll need to add coolant when you get back.
>
> When you get back home, allow cool down time. Pull the radiator cap
> and stick a test strip in there and read it. You may need to and
see
> what your level looks like. Probably will need to add coolant.
>
> Repeat the antifreeze/distilled water/take it for a drive/heat it
> up/return for cool down and recheck level until you do not need to
> add coolant anymore.
>
> You're done.
>
> Jay Darst
> 85PT40 6V92 with updated coolant/thermostats/water pump/hoses/clamps
> 00 Prevost Royale H345 FOR SALE Buy it Now $329k
> 91 Prevost Royale 40XL FOR SALE Buy it Now $129k
> HPRCoach.com
> HPRCars.com
> Springfield/Sullivan, IL
>
> --- In WanderlodgeForum@yahoogroups.com, "curlesw"
> wrote:
> >
> > Ron, thank you very much for the response. Any hints or helpful
> ideas
> > in adding fluid. I lost a lot of fluid when the hose busted so
I'm
> > not sure exactly how much too add. I read the manual to bleed the
> > heater system, seems easy enough, but it's my first time.
> >
> > v/r
> > Wayne Curles
> > San Diego, CA
> > 1985 PT-40
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, "ronmarabito2002"
> > wrote:
> > >
> > > No, the radiator for the engine on a PT-40 is at the rear on the
> > > drivers side. The fill is probably through a small door on the
> back
> > > end of the coach above the engine access door.
> > >
> > > By the way, please sign your posts with Name, Location and year
&
> > > Model coach.
> > >
> > > R.E. (Ron) Marabito, Dallas, TX 92WB40
> > > Wanderlodge Forum Moderator.
> > >
> > >
> > > --- In WanderlodgeForum@yahoogroups.com, "curlesw"
> wrote:
> > > >
> > > > This seems like a silly question, but here goes. I need to
add
> > > > coolant and read the instructions. I had a leak in a hose
that
> > > > required replacement and now need to add coolant to the
system.
> > > >
> > > > Does the engine use the same radiator as the one located in
> front of
> > > > the generator? I just assumed there would be a separate
> radiator but
> > > > guess not, correct?
> > > > Thanks.
> > > >
> > > > Wayne C.
> > > >
> > >
> >
>