Cant hold coolant

[lonzo25]

i fill up the radiator and when i start the truck there is no leak. as soon as i hit the accelerator, boom leaks bad no matter the gear. dont see any leaks in any hoses. i took these pics from the passenger side wheelwell

 

[swshawaii]

I'll bet money it's the plastic lower thermostat housing splitting at the seams. Almost a daily occurrence here.

http://bengrosser.com/howto/fordthermostat/

 

[lonzo25]

dunno if im looking in the wrong spot but on Rockauto it shows one but for $74.79......seems a lil high for rockauto

http://www.rockauto.com/catalog/moreinfo.php?pk=4604916&cc=1427789

 

[swshawaii]

Your 2004 ST probably has the two sensor housing with one unused to seal the hole.
If so, use the RH148 one sensor housing and DY1004 ECT sensor. Check Amazon pricing.

http://www.explorerforum.com/forums/showpost.php?p=3114615&postcount=4

 

[lonzo25]

this so easy a rookie can do it??? i am definitely a rookie

 

[swshawaii]

Just a very tight space. Take your time and closely follow the link in post #2. Have you confirmed it's the lower housing?

 

[lonzo25]

no i dunno how to confirm what it is, i cant see where its from

 

[lonzo25]

yup, just verified it....i dont think its a crack i think its the gasket....my wife stepped the gas and it spewed from between the upper and lower housing.....think maybe i could just replace the gasket??

 

[swshawaii]

Unless you want to do it twice, replace the housing. Some made that mistake although it's easier the second time.

 

[lonzo25]

okok, sorry to ask but can u gimme a link to exactly what i need to buy??

 

[swshawaii]

Driver side take a pic of the sensors from under the black SOHC cover.

 

[lonzo25]

 

[lonzo25]

when i took off the throttle body i cracked the shielding around the throttle cable but the cable is just fine....hope that doesnt hurt anything

 

[swshawaii]

Be careful reinstalling self tapping screws on the plastic parts, very easy to strip threads. Do you have one or two sensors? If one is unplugged only four parts are needed for basic repair. Motorcraft RH148 one sensor housing, DY1004 ECT sensor, RG614 housing gasket, and a Fel-Pro 35617 thermostat gasket. New sensor is needed because your old o-ring seal is flattened and won't seal properly in the replacement lower housing. (New o-ring is 2.5mm thick x 9mm I.D.)

 

[lonzo25]

one or two sensors connected to the thermo housing?

 

[lonzo25]

just 1 sensor

 

[swshawaii]

Cool. Get the four parts in post #14 and report back. Avoid the Ford dealer if at all possible. Gouge.

 

[lonzo25]

http://www.amazon.com/Motorcraft-RH148-Thermostat-Housing/dp/B000C5FRHO
http://www.amazon.com/Motorcraft-DY1004-Engine-Coolant-Temperature/dp/B000IYHCO0
http://www.amazon.com/Motorcraft-RG614-Coolant-Thermostat-Housing/dp/B000C5BVYM
http://www.amazon.com/Fel-Pro-35617-Thermostat-Seal/dp/B000C2E4QM

this right??

 

[lonzo25]

gonna check the local store and see the price difference

 

[swshawaii]

http://www.amazon.com/Motorcraft-RH148-Thermostat-Housing/dp/B000C5FRHO
http://www.amazon.com/Motorcraft-DY1004-Engine-Coolant-Temperature/dp/B000IYHCO0
http://www.amazon.com/Motorcraft-RG614-Coolant-Thermostat-Housing/dp/B000C5BVYM
http://www.amazon.com/Fel-Pro-35617-Thermostat-Seal/dp/B000C2E4QM

this right??

Perfect! You may look into Amazon's "Prime" 30 day FREE trial.
http://www.amazon.com/gp/product/B00DBYBNEE/ref=nav_prime_join