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Discussion Starter #1
left school 2day, windows fogged all up like crazy, cut the defrost on and it didnt help out much...... i just pulled up in my garage in my 96 imp ss and looked down and noticed that the temp sensor was in the red! then the light came on as soon as i put the car in park, popped the hood, my T valve between the heatercore and the resevoir blew off! steam and coolant all over the place!!!! this is getting crazy, this car is driving me nutts but i knew what i was getting into when i got it. i love it. but time to replace the core and the T valve.... who on here is selling the clear 1?
 

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Just get a new T and the restrictor.. Not a hard repair.. 5 minutes. GM still makes the pieces
Yep! Before the repair, I would also remove BOTH heater hoses from the heater core, then flush the core in BOTH Directions with a regular garden hose nozzle until the water flows good in both directions. Then install the new Bypass T and resistrictor, refill Anti-Freeze in a 50/50 mix in the reservoir bottle. Run the car and with the heater on full heat, then bleed the air out of the system thru the bleeder valve on the goose neck. Cover the goose neck with a rag so no coolant drips on the Opti-Spark below.


1. 12522867 - Heater Water Bypass Tee

http://rmsautoparts.com/proddetail.php?prod=12522867

2. 15-5423 - Coolant Flow Control Valve
Cross Reference for GM Part Number: 10157988

http://rmsautoparts.com/proddetail.php?prod=15-5423


View A Is your heater core pipes. This link will tell you ALL you need to know about flushing the core and purging the air from the system. Read it 1st!

http://www.impalassforum.com/vBulletin/showthread.php?p=2215504#post2215504

Quote: Don't run a lot of pressure through the heater core unless you like replacing it. Reasonable flow back and forth is usually all it takes. Lots of bubbles usually helps loosen stuff too. In short - A regular garden hose and nozzle with just a "Decent" flow of water, flushing in both directions will usually do the trick!


 

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my T broke on me once. but i was able to reuse the T again since i couldnt find any new at autozone/advance auto parts.
 

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B-body builder Thank you for taking the time and effort to post these pictures and info for people who are in need of help, I just wanted to let you know that I appreciate the effort!
 

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Discussion Starter #8
......

nobody has the heater tee? advanced auto doesnt. who carries these things? do i have to go dealership? i hope not!
 

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nobody has the heater tee? advanced auto doesnt. who carries these things? do i have to go dealership? i hope not!
You might be able to make one out of brass/copper.. I dunno if anyone makes a brass T with 3 barbed sides that will work.. You may be able to find a 3 sided junction block and screw hose barbs into it.
 

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nobody has the heater tee? advanced auto doesnt. who carries these things? do i have to go dealership? i hope not!
The links I posted above at RMS Auto shows they can get them. GM Parts direct also carry's the T. Rock auto only carries the flow control valve. Looks like GM is still the only maker of the Heater Water Bypass Tee at this time.

Heater Water Bypass Tee - $11.75
http://rmsautoparts.com/proddetail.php?prod=12522867


Insert Part # 12522867 in the search at the top.
http://www.gmpartsdirect.com/

http://www.rockauto.com/
ACDELCO Part # 155423 {GM #10157988}
Heater flow control valve - $11.56
 

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If it's 1/2 or 5/8 all sides I could just swear I seen tees of about the right diameter in either the HELPS and/or emissions racks.

I would not rule out an appliance repair parts house or Lowes either - you'd of course want to make it looked like it could take some pressure not flimsy nylon.
 
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