VENTING - Replacing the Thermostat housing | Ford Explorer Forums

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VENTING - Replacing the Thermostat housing

Team Chepsk8

Well-Known Member
Joined
November 7, 2010
Messages
114
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City, State
Easton PA
Year, Model & Trim Level
2001 Explorer Sport Trak
HOLY FREAKING $*$*%$*$ *(&&^ @#%^#$# &*)^)*&^ :thumbdwn: :( :thumbdwn:

What rocket scientist at Ford designed that?????

F'in A!!!!!!!!!!!!!!!!!!

What appeared and described as a straight forwards job turned into a major production. One of the three 6mm bolts that holds the housing to the intake manifold was frozen to the plastic housing, and would not budge. The head ended up entirely rounded, I even cut a slot into it, nothing would budge it.

I finally had to remove the alternator and bracket to get good access to that area, and using a small Dremel, grind off the head of the bolt. From there, had to slice the lower bypass hose, so I could then bend down the housing and the offending bolt, and finally got the housing off. DAMN!!!!!!!!!!!!!!!

As it turns out, the lower "gasket", or rubber band was leaking, as there was crud everywhere, and probably rose up the offending bolt, freezing it in the housing. Also ended up ruining the thermostat housing, so one on order. Also, there appears to be minor degredation of the aluminum material at the sealing point on the intake manifold. So, more smoothing with scotch-brite to get that smooth for a good mating surface. I will add a film of form-a-gasket to assist there, not trusting it.

Why could not Ford just go with a traditional housing? Yeah, I know, aluminum, non-mating materials, yadda yadda company bunk. Even just use traditional gaskets instead of that stupid lower rubber band. SHEESH!!!!!!!!!!!!!!!!!!!

Well, the truck is all apart, dead for the overnight until the parts come in. I think I'll go work on Factory Five Cobra, it's so bloody simple, I wish I could drive that year round. It only breaks when I race it hard.

ARRRRRRRRRRRRRRRRRRGGGGGGGGGGGGGGGGGHHHHHHHHHHHHH to Ford.

:rolleyes:

OK, venting and spewing done, thanks for listening. I'll get it put back together, and give you the results.

I need a beer.......
 



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You make me feel better ! ! Most of MY simple jobs turn to feces!

I'm NOT going to feel too sorry for you after seeing you have a FF !:notworthy
 






You make me feel better ! ! Most of MY simple jobs turn to feces!

I'm NOT going to feel too sorry for you after seeing you have a FF !:notworthy

The true beauty of the FF is the simplicity of it. No key, no flaming cruise-control modules, just six switches and a gas pedal! It's like a 1960's pick-up truck, dirt simple and reliable.

I'll get some pics and post my findings, as probably not many see this repair. It did need this work.

Should I put some ant-sieze on any threads that go into aluminum?
 






Wouldn't hurt to chase the threads with a tap if you have one and then anti-seize them.
 






My thermostat housing warped like 5 months ago and i took it in to get it fixed... the mechanic had a hell of a time with that too! the bolt head broke off and all sorts of hell broke loose with that. sounds like ford dropped the ball with the design with it...
 












I had to but a similar one for the St as it turned out.

I've posted a new thread with pics to show what I ran into.

it's fixed, no leaks so far, and done! :shoot:
 






On a ten year old vehicle, there are no "simple jobs". The thermostat is nearly imposible unless you have tiny elfish fingers.
 






i feel for you. the simplest repairs are always the hardest and it never helps when your fingers resemble hot links; or so my brother calls them.
 






I just replaced the T-stat on my 98 with very little trouble. A slim line ratchet is helpful for that back bolt. Also its really not to much trouble to just remove the upper intake entirely for access. Ive pulled mine off so many times now trying to track down a lean code I know exactly what tools to grab out of the box before I even open the hood. I can have the upper intake off in less than 10 minutes.

I know what you mean about fat stubby little fingers though...curse them.


I would have gladly traded you t-stat housing for the spark plug job I did on my sisters 4.3L blazer. My X is a joy to work on by comparison.
 






man that sounds like a pain in the butt for just a little part...glad i dont own a ST yet..keyword yet..lol...
 






I used a 8 mm wrench but did have to take the alt wires off to remove it from under the intake. Took about 15 minutes guess I got lucky. I am only replacing a thermostat since I have the radiator out and had a new 180 degree in stead of the factory 195degree lying around.
 






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