XJ open/closed cooling system
#31
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Re: XJ open/closed cooling system
You could have gotten air in the system when you replaced the thermostat.
This interferes with the cooling process, and can make a ruckus as it tries
to get out. That would explain the bubbling noise and pushing coolant out
of the bottle, better than overheating. Sometimes it takes a long time for
all the bubbles to work their way out of the system. One of my cars has
something like an eleven step process in the Owner's Manual, for filling the
cooling system properly.
You shouldn't place much importance in the exact reading of the temperature
gauge. If the bubbling eventually stops, and the heater works well in the
cold weather, I would call it good.
Earle
"Troy" <@ .> wrote in message news:LfednSFKs4RRGPPZRVn-pw@comcast.com...
> CRAP it overheated last night. I noticed however that after I put in the
> fan clutch the temp needle never got up to 210 really... kinda past the
> mark between 100 and 210. But it still overheated. Got up this morning
and
> even though the PO told me he put in a new thermostat I put another one in
> today. Filled it up and rode around a bit, and it started to get hot but
> not in the red. I parked it and noticed it was pushing coolant out of the
> pressure bottle. After letting it sit with the engine off I heard a
> bubbling come from the heater core hose. It cooled and I drove it again
and
> the temp. stayed slightly above the mark between 100 and 210 again.
>
> Isn't it supposed to be at 210 like in my tj?
>
> Troy
>
>
*** Posted via a free Usenet account from http://www.teranews.com ***
This interferes with the cooling process, and can make a ruckus as it tries
to get out. That would explain the bubbling noise and pushing coolant out
of the bottle, better than overheating. Sometimes it takes a long time for
all the bubbles to work their way out of the system. One of my cars has
something like an eleven step process in the Owner's Manual, for filling the
cooling system properly.
You shouldn't place much importance in the exact reading of the temperature
gauge. If the bubbling eventually stops, and the heater works well in the
cold weather, I would call it good.
Earle
"Troy" <@ .> wrote in message news:LfednSFKs4RRGPPZRVn-pw@comcast.com...
> CRAP it overheated last night. I noticed however that after I put in the
> fan clutch the temp needle never got up to 210 really... kinda past the
> mark between 100 and 210. But it still overheated. Got up this morning
and
> even though the PO told me he put in a new thermostat I put another one in
> today. Filled it up and rode around a bit, and it started to get hot but
> not in the red. I parked it and noticed it was pushing coolant out of the
> pressure bottle. After letting it sit with the engine off I heard a
> bubbling come from the heater core hose. It cooled and I drove it again
and
> the temp. stayed slightly above the mark between 100 and 210 again.
>
> Isn't it supposed to be at 210 like in my tj?
>
> Troy
>
>
*** Posted via a free Usenet account from http://www.teranews.com ***
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