Overheating cut off ?

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Old 26 Mar 2005, 03:02 am   #1 (permalink)
Ken Day
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Default Overheating cut off ?

Recently I had a water pump go out while traveling to Florida . It was
on the interstate after approx 8 hours driving and I got hardly any
warning at all.The bearing in the water pump absolutely disentegrated
and it apparently quit pumping immediately. I was on one of those long
uphill off ramps and when I heard the pump noise and seen the temp
gauge it was so hot that the engine quit when I slowed down. It blew a
head gasket and and warped the head. The car had about 100k on it so I
did a complete rebuild since I really like the car and plan on keeping
it.

Do any of you know of any type engine temp shut off that would shut
the engine down in the case of severe overheating ?

Thanks

Ken Day
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Old 26 Mar 2005, 07:36 am   #2 (permalink)
m Ransley
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Default Re: Overheating cut off ?

Im sure something could be made, but it is probably not done as there
are so many instances where if your car just died you would have an
accident injuring your self and possibly many others. Plus the car maker
could be liable. I imagine many loose motors that could be saved with
audible and large visual pre warning devices , I have several times seen
people running down the highway billowing white smoke then later passed
them stalled on the side. Your case is rare , keeping good hoses a good
radiator and an eye on the gauge is unfortunatly what most offer. A
high temp sensor triggering a bright light would be best giving you time
to pull over. Was it an original pump. I have had bad luck with non Oem
parts

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Old 26 Mar 2005, 12:44 pm   #3 (permalink)
Ken Day
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Default Re: Overheating cut off ?

On Sat, 26 Mar 2005 07:36:32 -0600, ransley@webtv.net (m Ransley)
wrote:

>Im sure something could be made, but it is probably not done as there
>are so many instances where if your car just died you would have an
>accident injuring your self and possibly many others. Plus the car maker
>could be liable.


You're right. I never thought that through very well , although I was
thinking about some sort of audible alarm or flashing light. I do scan
my gauges probably more than most. I suppose that comes from my pilot
training.
I have never had an engine overheat and do any damage in my 40+ years
of driving until this. Never seen one heat up so fast. I suppose being
well warmed up from about 8 hours of driving , and since these engines
run right on the edge of overheating anyway , the sudden loss of
circulation brought the temp up in a hurry.

> I imagine many loose motors that could be saved with
>audible and large visual pre warning devices , I have several times seen
>people running down the highway billowing white smoke then later passed
>them stalled on the side. Your case is rare , keeping good hoses a good
>radiator and an eye on the gauge is unfortunatly what most offer. A
>high temp sensor triggering a bright light would be best giving you time
>to pull over. Was it an original pump. I have had bad luck with non Oem
>parts


So have and many times I have tried to get someones attention and
tell them but they usually drive on.
It was an OEM pump. I buy very little in the way of aftermarket parts.
The bearing in the pump was so bad that it fell down enough to let the
timing belt continue turning with no visible signs of damage to the
belt and the engine continued running. I never heard a sound until
right before the engine quit.

Ken Day


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Old 26 Mar 2005, 05:00 pm   #4 (permalink)
m Ransley
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Default Re: Overheating cut off ?

I think Lincoln has or had recently a motor that would cycle its 8
cilinders to 4 and alternate them alowing you to drive 50 miles at
50mph. If the pump failed immediatly it would only be a minute before it
got to hot. Next time turn on the interior heater, but hopefully there
wont be a next time. It is to bad that you can take care of a motor and
have a cooling failure kill it prematurely in a few minutes. I drive a
few roads where I wouldnt stop as they are bad areas.

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Old 27 Mar 2005, 07:23 am   #5 (permalink)
Daniel
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Default Re: Overheating cut off ?

There was a movie where an airplane crashed into a house the couple was
considering - so they immediately bought it - because the chances of
that ever happening again were so remote.
Same with your water pump - very unusual.
Try just changing the water pumps each time you change the timing belt
as preventative maintenance. Usual failure mode is slight weeping at
the seal for a long time first.
If you're using the factory coolant mixed with distilled water, getting
150,000 - 200,000 miles from a water pump is not unusual, so changing
them earlier should be all the insurance you would need.
Original equipment hoses are usually good longer than that.
Think I may have read something about a bad batch of water pumps during
one period of time - but was an isolated incident - could have been one
of yours - unlikely to recur, though.

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Old 27 Mar 2005, 02:08 pm   #6 (permalink)
Ken Day
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Default Re: Overheating cut off ?

On Sat, 26 Mar 2005 17:00:56 -0600, ransley@webtv.net (m Ransley)
wrote:

> I think Lincoln has or had recently a motor that would cycle its 8
>cilinders to 4 and alternate them alowing you to drive 50 miles at
>50mph. If the pump failed immediatly it would only be a minute before it
>got to hot. Next time turn on the interior heater, but hopefully there
>wont be a next time.


Usually the extra circulation through the heater core would help , but
not in this case.The pump locked up so there was no water circulating
at all.

>It is to bad that you can take care of a motor and
>have a cooling failure kill it prematurely in a few minutes. I drive a
>few roads where I wouldnt stop as they are bad areas.


You are so right. It can happen real quick.
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Old 27 Mar 2005, 02:21 pm   #7 (permalink)
Ken Day
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Default Re: Overheating cut off ?

On 27 Mar 2005 05:23:15 -0800, "Daniel" <nospampls2002@yahoo.com>
wrote:

>There was a movie where an airplane crashed into a house the couple was
>considering - so they immediately bought it - because the chances of
>that ever happening again were so remote.
>Same with your water pump - very unusual.
>Try just changing the water pumps each time you change the timing belt
>as preventative maintenance. Usual failure mode is slight weeping at
>the seal for a long time first.


I would never change a timing belt on these engines without also
changing the water pump. It's very labor intensive ,so whats an extra
100.00 when you're already there.

You're right when you say "usually" , but in this case there was no
leakage from the weep hole.I had replaced a radiator hose a short
while before this and just checked in that area for leaks probably 50
miles or so before this happened.


>If you're using the factory coolant mixed with distilled water, getting
>150,000 - 200,000 miles from a water pump is not unusual, so changing
>them earlier should be all the insurance you would need.
>Original equipment hoses are usually good longer than that.
>Think I may have read something about a bad batch of water pumps during
>one period of time - but was an isolated incident - could have been one
>of yours - unlikely to recur, though.


This could very well be the case. I have never had a water pump go
like this one did. No warning at all and the bearing went to pieces
letting the shaft drop down about 3/16" allowing the timing belt to
continue turning without engaging the pump sprocket.

Ken Day
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