You might want to check out this thread. I had one bad 706 . I replaced them both with the help of this crew here. Obtained the heads from... Chuck and Charlie ( his son )at Aluminum Head Rebuilders I used shaved 799's. Vehicle is running like new...
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2003 Tahoe coolant system leak or head gasket leak?
Alright! Yet another coolant loss post. I have completely replaced the cooling system and I mean everything. Started losing fluid again shortly after. Put 20PSI pressure on the system and found a leak at one of the new tees at the firewall and the hose at the water pump. Tightened hose and...
www.tahoeyukonforum.com
