I have a heater problem 1995 Chevy Tahoe 5.7. no heat - I replaced the water pump and thermostat, flushed the core, inspected the contol valve,, flushed th e radiator (lower hose cold to the touch upper hose hotter but not overheating), flushed engine at the lower hose and got return at the upper hose. Still no heat.
Jan 3, 2010 at 7:41 AM