i have the 2004 svt focus as you know its the 2.0 engine code 5 and i have searched everywhere for the housing, it has major cracking on the bottom and inside from being the orginal one. i have the sensor and the cork on it but every housing i look at or go to buy is plugged and dont know what to do about the sensor please help me i am new to this site thank you all..
I just did a quick search in the vendors section. You could check the others for pricing. I have a regular Zetec, so I never had look around. Also, every single Zetec has the t-stat housing crack or leak eventually.
Check with Steve at Tousley Ford, they have the upgraded ford product for around $100. I think that includes new sensor, bolts, thermostat, and updated housing. There are several posts over the years with this information if you search it out.
The housing from a 2000 contour with the ZETEC engine will work! It is the housing that Steve at Tousley Ford tracked down that is a stronger design. I just found one in a u pull it yard for $10 today!
...or you could just properly maintain the original one, as it is most often oil leaking down the head that causes the large sealing o-ring to swell and crack the housing.
I do wonder what will eventually happen when the oil returns and swells the o-ring in your new, "stronger" and "improved" housing, what will now break, hopefully nothing as cheap as the original housing.
My solution was to change to Vitron o-rings for the sensor and plug, cost $1.00, no leaks after over two years, cross my fingers and knock on wood!
Fortunately/unfortunately it's maintanance that causes most of our little car's problems, not the design!
If you ever would like to stop the leak, use viton o-rings, but then again, you could have just used them in the OEM housing and saved some money!
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