Question about 1999 Chevrolet Blazer
I replaced the heater core on my 99 chevy blazer, it wont get warm up,why wont my 99 chevy blazer temperature warm up?
You may have vapour lock in your heater lines. Start engine, put heat lever on high, disconnect one of the lines on your heater core, the one on the flow out side, & see if you have any air coming out. Once antifreese comes out stick line back on & retighten clamp. Make sure your cooling system is topped off. Also your water pump may not be functionihg to it's maximum. Take rad cap off cold & view flow rate. If inadequate you may have to replace the water pump. Good luck!
Posted on Dec 09, 2009
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Posted on Jan 02, 2017
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