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Old 08-07-2018, 05:16 AM   #1
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Focus 2.3 L overheated !!!

Sorted out my faulty CHT sensor recently and was enjoying driving in 100+ temps with Air on and no overheat , then BAM , out of nowhere went into red and went into limp home mode. Shut it off quickly and parked. CEL went on too.
It was a DAMNED broken plastic T !!!
Replaced it with one from Home Depot made of brass.
It was 110 out and I was hating life. Luckily it happened in town.
BTW Ford wanted $108 for the whole hose/T thing.
Screw that. Also during the repair I cracked the hard plastic line going to the degas bottle.
I cut out the bad part of it and fixed with hose and clamps.
Anyone know what code it set ? It starts and runs great now...no engine damage.
Here are the pics.

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Never mind the tape on the plastic line. I was guessing where the crack was and wrapped it there , but the crack was further up the line.
Also , I need to get some better fitting mini clamps. The 5/16 O.D. tubing fits so tight over the line it actually held pressure without clamps. The ones they had late at night are not ideal size IMO.
What a difference a day makes...air on 107 out...normal engine temp.





Last edited by joeblo1999; 08-08-2018 at 08:17 AM.
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Old 08-07-2018, 06:34 AM   #2
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Great you got it figured out.....
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Old 08-07-2018, 06:46 AM   #3
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You can use steel brake line cut to proper length to replace the smaller plastic line too and never break again. I use no plastic in my coolant lines at all except for the stat housing.
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Old 08-07-2018, 09:22 AM   #4
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You can use steel brake line cut to proper length to replace the smaller plastic line too and never break again. I use no plastic in my coolant lines at all except for the stat housing.
How did you do the connection to the upper radiator hose ? Picture would be great. What size brake line ? Where do you get it in bulk? How did you curve the end to go into the radiator hose ?

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Old 08-08-2018, 11:56 PM   #5
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Parts stores have brake line in long lengths if you ask. Easily bendable using a less than $10 tubing bender. Whatever size needed, I've used both 5/16" and 3/8", measure yours to see what it is.

The upper rad pipe is made of copper soldered together.
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Old 08-09-2018, 10:52 AM   #6
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I had the same problem on my Mother in law's 04 2.3, used a plastic tee from homedepot, that lasted 2 years, and that one finally cracked, went to the junkyard and cut a factory tee out of a car. I cant believe Ford doesn't make the T available by itself.
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Old 08-09-2018, 09:28 PM   #7
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Originally Posted by MWolf380 View Post
I had the same problem on my Mother in law's 04 2.3, used a plastic tee from homedepot, that lasted 2 years, and that one finally cracked, went to the junkyard and cut a factory tee out of a car. I cant believe Ford doesn't make the T available by itself.
You can get the T at O'Reilly The one made by Gates...not Dorman !
It's like $4something. And made of glass reinforced nylon like Ford part.
It's 3/4 inch one...always in stock.
Dorman is a dollar less and not same quality.

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Last edited by joeblo1999; 08-09-2018 at 09:30 PM.
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Old 08-09-2018, 10:23 PM   #8
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Quote:
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Quote:
Originally Posted by MWolf380 View Post
I had the same problem on my Mother in law's 04 2.3, used a plastic tee from homedepot, that lasted 2 years, and that one finally cracked, went to the junkyard and cut a factory tee out of a car. I cant believe Ford doesn't make the T available by itself.
You can get the T at O'Reilly The one made by Gates...not Dorman !
It's like $4something. And made of glass reinforced nylon like Ford part.
It's 3/4 inch one...always in stock.
Dorman is a dollar less and not same quality.

Sent from my SM-N920T using FF Mobile

Great to know!!!! Thanks.
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Old 08-25-2018, 06:06 PM   #9
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Great to know!!!! Thanks.
Here is the Gates T installed.

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