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Old 08-25-2005, 16:01   #1 (permalink)
chasman3
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Diesel Overheating

I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
the truck was running a little warmer than usual but nothing serious
(I thought) I was about 50 miles from home and just drove but kept an
eye on the heat. It kept climbing, slowly, throughout the drive home
and when I pulled in the drive, was just about on the upper limit
line. Shut the truck down and loosened the cap to relieve a little
pressure since the upper hose was pretty tight. This is my first
diesel truck and although I have driven it for the last 5 years, I
haven't had to work on a lot of things on it.
Where is the thermostat located (Where the upper hose comes out of the
water pump?) and is there anything else I might be aware of or look
at?
TIA
Chas
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Old 08-25-2005, 20:01   #2 (permalink)
JS
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Re: Diesel Overheating

You say you have been driving this truck for the past 5 years. Have you
maintained the radiator with the proper concentration of anti-cavitation
treatment? Do you test the levels regularly? If you haven't or don't,
my guess is that you have one or more pinholes between the cylinder and
the water jacket. If this is the case, prepare yourself to bend over
and grab your ankles. Yes, it's going to hurt.

<chasman3> wrote in message
news:0hgsg1pvtfqtj4fllill1pbp0rm6baq5he@4ax.com...
>I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
> the truck was running a little warmer than usual but nothing serious
> (I thought) I was about 50 miles from home and just drove but kept an
> eye on the heat. It kept climbing, slowly, throughout the drive home
> and when I pulled in the drive, was just about on the upper limit
> line. Shut the truck down and loosened the cap to relieve a little
> pressure since the upper hose was pretty tight. This is my first
> diesel truck and although I have driven it for the last 5 years, I
> haven't had to work on a lot of things on it.
> Where is the thermostat located (Where the upper hose comes out of the
> water pump?) and is there anything else I might be aware of or look
> at?
> TIA
> Chas



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Old 08-25-2005, 20:01   #3 (permalink)
chasman3
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Posts: n/a
Re: Diesel Overheating

On Thu, 25 Aug 2005 17:17:29 -0500, chasman3 wrote:

>I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
>the truck was running a little warmer than usual but nothing serious
>(I thought) I was about 50 miles from home and just drove but kept an
>eye on the heat. It kept climbing, slowly, throughout the drive home
>and when I pulled in the drive, was just about on the upper limit
>line. Shut the truck down and loosened the cap to relieve a little
>pressure since the upper hose was pretty tight. This is my first
>diesel truck and although I have driven it for the last 5 years, I
>haven't had to work on a lot of things on it.
>Where is the thermostat located (Where the upper hose comes out of the
>water pump?) and is there anything else I might be aware of or look
>at?
>TIA
>Chas



I have kept a check on levels and have tested regularly. Switched to,
I believe, a shell lifetime solution a couple of years ago (It's over
in the shed and I don't really recall the name) but still kept
testing. I would be greatly surprised if it is pinholes(The truck was
bought from the US forestry service and the levels checked when I
bought it) not ruling anything out at this point but thanks
Will probably be the weekend or past before I have a chance to check
further.
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Old 08-26-2005, 06:01   #4 (permalink)
Spdloader
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Re: Diesel Overheating

This may be "apples to oranges", but a lot of concern is made in this group
over the anti-cavitation additives.

My '88 Cat 425 has never run coolant additives, and it has 896,000 miles on
it.
Another truck I used to have had the DT 466 motor, (similar to the 7.3 PS)
and has never run any additives, and went over a million miles before a
standard rebuild, and nothing out of the ordinary was found.

Both trucks run regular antifreeze, 50/50 mix, and both are changed twice a
year.

I do the same with my ton dually 7.3.

Just my .02,

Spdloader
99 F350 7.3PS
Dually, CrewCab 4X4



"JS" <JS@adelphia.net> wrote in message
news:3tudnc0zfqJn5ZPeRVn-2w@adelphia.com...
> You say you have been driving this truck for the past 5 years. Have you
> maintained the radiator with the proper concentration of anti-cavitation
> treatment? Do you test the levels regularly? If you haven't or don't, my
> guess is that you have one or more pinholes between the cylinder and the
> water jacket. If this is the case, prepare yourself to bend over and grab
> your ankles. Yes, it's going to hurt.
>
> <chasman3> wrote in message
> news:0hgsg1pvtfqtj4fllill1pbp0rm6baq5he@4ax.com...
>>I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
>> the truck was running a little warmer than usual but nothing serious
>> (I thought) I was about 50 miles from home and just drove but kept an
>> eye on the heat. It kept climbing, slowly, throughout the drive home
>> and when I pulled in the drive, was just about on the upper limit
>> line. Shut the truck down and loosened the cap to relieve a little
>> pressure since the upper hose was pretty tight. This is my first
>> diesel truck and although I have driven it for the last 5 years, I
>> haven't had to work on a lot of things on it.
>> Where is the thermostat located (Where the upper hose comes out of the
>> water pump?) and is there anything else I might be aware of or look
>> at?
>> TIA
>> Chas

>
>



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Old 08-26-2005, 07:01   #5 (permalink)
Kathy
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Posts: n/a
Re: Diesel Overheating

I just bought a 2000 Ford XLT with the 7.3 powerstroke in
it............since you have had and have one..........anythings to watch
for. I am new to diesel and I am coming from having a GMC for nearly 15
years.........it had the 350v8 in it. I lost the differential in the GMC
due to pulling a work trailer with my tools in it. My Ford truck has just
over 100k on it................ I am much more of a newbee than chasman3.
Thanks for any and all responses.

Russ






<chasman3> wrote in message
news:0hgsg1pvtfqtj4fllill1pbp0rm6baq5he@4ax.com...
>I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
> the truck was running a little warmer than usual but nothing serious
> (I thought) I was about 50 miles from home and just drove but kept an
> eye on the heat. It kept climbing, slowly, throughout the drive home
> and when I pulled in the drive, was just about on the upper limit
> line. Shut the truck down and loosened the cap to relieve a little
> pressure since the upper hose was pretty tight. This is my first
> diesel truck and although I have driven it for the last 5 years, I
> haven't had to work on a lot of things on it.
> Where is the thermostat located (Where the upper hose comes out of the
> water pump?) and is there anything else I might be aware of or look
> at?
> TIA
> Chas



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Old 08-26-2005, 11:01   #6 (permalink)
351CJ
Guest
 
Posts: n/a
Re: Diesel Overheating

Russ & Kathy,

You will likely get a better response if you post your own new request for
input with it's own unique title.

Good luck

"Kathy" <texass@rgv.rr.com> wrote in message
news:HvEPe.178333$gL1.92275@tornado.texas.rr.com...
>I just bought a 2000 Ford XLT with the 7.3 powerstroke in
>it............since you have had and have one..........anythings to watch
>for. I am new to diesel and I am coming from having a GMC for nearly 15
>years.........it had the 350v8 in it. I lost the differential in the GMC
>due to pulling a work trailer with my tools in it. My Ford truck has just
>over 100k on it................ I am much more of a newbee than chasman3.
>Thanks for any and all responses.
>
> Russ
>
>
>
>
>
>
> <chasman3> wrote in message
> news:0hgsg1pvtfqtj4fllill1pbp0rm6baq5he@4ax.com...
>>I have a 1995 F-250 XL w/189k on the odometer. Coming home yesterday,
>> the truck was running a little warmer than usual but nothing serious
>> (I thought) I was about 50 miles from home and just drove but kept an
>> eye on the heat. It kept climbing, slowly, throughout the drive home
>> and when I pulled in the drive, was just about on the upper limit
>> line. Shut the truck down and loosened the cap to relieve a little
>> pressure since the upper hose was pretty tight. This is my first
>> diesel truck and although I have driven it for the last 5 years, I
>> haven't had to work on a lot of things on it.
>> Where is the thermostat located (Where the upper hose comes out of the
>> water pump?) and is there anything else I might be aware of or look
>> at?
>> TIA
>> Chas

>
>



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