Over heating problems

[preston Kerry]

Hi my name is Preston,, I'm new to this and I've been having some over heating problems with my truck and I don't get it Because the radiator, water pump and thermostat has been changed...the truck also has been pressure tested....It will let me drive it about 5 to 10 miles before it will start getting over normal........Please help me with any suggestions

 

[txbass06]

Are you noticing any unusual coolant loss?
Don't leave out the possibility of one of the new parts being defective out of the box. Working in parts, I've seen it happen a few times.
When it over heats, does the temp just continue to rise till it's hot or jump up all of a sudden?


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[LB3711]

Is all the air out of the system?


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- Sent from my AT&T iPhone 4.

 

[wermbang]

Welcome to the site.

As stated above those parts can be bad.

 

[KGBIGCOUNTRY]

Make sure you dont overheat it, 4.7s are know for warping the heads once they get hot.

 

[nim81]

welcome to RF!
thermostats are notorious for being bad out of the box. also could the thermostat be installed upside down?

 

[truckin151]

Air in the system, Bad radiator cap, Bad T-stat. Those would be my first 3 spots to check.

 

[txbass06]

Easy and old school way to check the t-stat is to pull it out and put it in some boiling water to see if it opens by itself


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