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2000 Blazer No Heat And Engine Temp Running Cool
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Question
cmoore74
Hello,
My wife's 2000 Blazer (4.3L) at about 83k miles started getting luke warm heat and a decrease in engine temperature. I had the dealership perform a reverse chemical flush of the heater core. I also replaced the thermostat, the water pump, and the fan clutch (usually only good to about 100k anyhow).
The problem is still there.
Could the heater core be totaly clogged? I'm confused as to why this would cause the engine temperature to be running around 160 deg. I would think the dealership would have confirmed the heater core was flowing as part of the flush procedure.
What would cause both of these symptoms?
Please help.
Thanks,
Chris
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