1985 PT-40 Radiator Question

[Scott Forman]

My '86 8v92 PT38 does have a sight glass. Surge tank is at top left
(street side) of engine compartment with rear cover raised.

Scott Forman
86 PT38
Memphis

--- In WanderlodgeForum@yahoogroups.com, Pete Masterson
wrote:
>
> The surge tank on the 8v92 may not have the sight glass. I looked
at
> some photos of older PT-'birds on the Vintage Birds web site, and
I
> could see (what I assume was) the surge tank just left of center
at
> the top of the engine compartment (with the cover raised). I
didn't
> see the sight glass, so I assume that there's an indicator tab
just
> inside the fill cap (as on many vehicles). (Overfilling the
radiator
> isn't a serious problem as excess coolant will simply exit through
> the overflow tube -- but it does waste a bit of coolant.)
>
> A tear, even quite small, can allow a _lot_ of coolant to escape,
> since it's under several pounds of pressure in the system.
>
> Pete Masterson
> '95 Blue Bird Wanderlodge WBDA 42
> El Sobrante CA
> aeonix1@...
>
>
>
> On Jan 1, 2008, at 10:43 AM, curlesw wrote:
>
> > Thanks Pete.
> >
> > The hose ran from the pump into the engine block....fairly easy to
> > reach. It had a 2.5" rip in it...didn't expect such a huge
failure.
> > Sure, maybe a small hole from a 21 year old hose, but wow! I
lost a
> > lot of fluid very quickly. I'm glad the engine alarm worked
since it
> > was at night and I could not see all the smoke pouring out the
back.
> >
> > I did not noticed the surge tank and site glass...will have to
look
> > for that when I add coolant back into the system to ensure I do
not
> > overflow.
> >
> > I read the BB manual and it said to use an antifreeze which
contains
> > ethylene glycol. When I get back home I'll have a complete flush
of
> > all fluids anyway, it's time for a complete refresh...just need to
> > get home by Sunday, which is 2,000 miles away!
> >
> > v/r
> > Wayne C.
> > San Deigo, CA
> > 1985 PT-40
> >
> >
> > --- In WanderlodgeForum@yahoogroups.com, Pete Masterson
> > wrote:
> >>
> >> The engine radiator in a PT is on the left (street) side at the
> > rear
> >> of the coach. From the inside, you should be able to see a fan
> > (with
> >> a shroud around it) that pulls air through the radiator. The
> > radiator
> >> near the generator is for the generator only.
> >>
> >> The fill for the radiator is in the center on the rear above the
> >> engine compartment cover. It feeds into a surge tank. Usually
> > there's
> >> a small, round sight glass. The water level (minimum) is to the
> >> center of the sight glass. (Too full will cause the coolant to
> >> overflow when it heats up.)
> >>
> >> Be sure you're using a coolant that's appropriate to the engine.
> >> Check the Detroit Diesel recommendation for your engine.
> >>
> >> It occurs to me that the hose -might- have been for the generator
> >> rather than the engine. Where, exactly, was the hose you
replaced?
> >> (Of course, you should check the water level in the generator as
> >> well. That's accomplished by removing the radiator cap and
looking
> > in.)
> >>
> >> Pete Masterson
> >> '95 Blue Bird Wanderlodge WBDA 42
> >> El Sobrante CA
> >> aeonix1@
> >>
> >>
> >>
> >> On Dec 31, 2007, at 5:34 PM, 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.
> >>>
> >>>
> >>
> >>
> >> [Non-text portions of this message have been removed]
> >>
> >
> >
> >
> >
> >
> > Yahoo! Groups Links
> >
> >
> >
>
>
>
> [Non-text portions of this message have been removed]
>