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Discussion Starter · #1 ·
I have a 2009 Tahoe and it is leaking coolant from tee fitting, dealer replaced it in December and it was still leaking. So yesterday they replaced it again and it’s still leaking. They want $1200 to replace the metal tubes, and rear heater core.

My question is, can I get straight a fitting (no tee) and go directly into main heater core and then cut in a tee in the main hose and run a 1/2” id tube to rear heater tube.

Question 2
Are the two hoses coming from the water pump the same diameter and what size are they?
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