engin temp?

[james]

1997 ford f150 4.6ltr motor 250,000km
New radiator and heater core less than one year, Engine will not get to operating temp. We have changed the rad cap , thermostat ( ford part ) back filled through the heater hose, The highest temp recorded at thermostat housing is 72 deg celcus or 176 farh. If we hold the clutch fan it will increase to 85 aprox or 202 farh.

Any body know what I am missing.

James

 

[Skandocious]

Perhaps a seized fan clutch that is engaged when it's not supposed to be...

 

[F150]

Wrong temp T-stat?? A 180* opening at 176* isn't that far off.

 

[blacksnapon]

1997 ford f150 4.6ltr motor 250,000km
New radiator and heater core less than one year, Engine will not get to operating temp. We have changed the rad cap , thermostat ( ford part ) back filled through the heater hose, The highest temp recorded at thermostat housing is 72 deg celcus or 176 farh. If we hold the clutch fan it will increase to 85 aprox or 202 farh.

Any body know what I am missing.

James

It might be a new thermostat, but is it the correct one? There are thermostats that open at 180 degrees, and some that open at 195. How are you measuring temperature?

 

[james]

no heat

I replace the t stat with one from ford they tell me is 192 or 195 deg stat, the clutch fan is new and does disengage, I also check the water pump its ok.
as I said the thermostat housing does not get above 75 deg / 182 deg.
Thank's for your feed back.
James

 

[mrfixit]

James, even new T-stats sometimes do not operate as they should. It really does sound like maybe they gave you the wrong one, or that the one you have is not functioning properly. The only way to be relatively sure is to test the thermostat with a meat/candy thermometer in a pan in the stove... If it's opening at 180+/-, then it's not a 195.

 

[Skandocious]

If it's opening at 180+/-, then it's not a 195.

Hey guys look, a ROCKET SCIENTIST!!

I can do it too Tom. Hey James, if the t-stat is green, then it's NOT red. Just so you know



Welcome to the forum James

 

[mrfixit]

well...

Not to overburden the Hippie mind with the obvious, my MEANING is that occasionally, they put the wrong SPRINGS in there.... kinda like your head.

 

[Skandocious]

I know I know, the prior part of your post made sense but... I was just making fun of the fact that you basically said "if its black, then its not white"

Thank you, Captain Obvious

 

[eco]

1997 ford f150 4.6ltr motor 250,000km
New radiator and heater core less than one year, Engine will not get to operating temp. We have changed the rad cap , thermostat ( ford part ) back filled through the heater hose, The highest temp recorded at thermostat housing is 72 deg celcus or 176 farh. If we hold the clutch fan it will increase to 85 aprox or 202 farh.

Any body know what I am missing.

James

What are using to measure the temp? Are you sure it is reading properly?

Did you try measuring the temp of the coolant at various locations such as the top of the radiator, water pump neck, heater core etc. to see if all the different locations correspond? Are you sure that there are no air pockets in the system?

If you rev the motor does the temp reading change?

 

[Gunner]

Thank you, Captain Obvious

We'd hate for you to run around not knowing that your springs are loose

Gunner