Question about 1991 Chevrolet K1500
I have a 1991 chevy c1500. I first started to notice that my windows started fogging up and then I had a smell of coolant inside of the cab. Then 2 days later, it started dripping inside of the cab on the passenger side. Would I have to replace the heater core or would it be a different problem
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Posted on Jan 02, 2017
You have a coolant leak most likely in the heater core. Try disconnecting your heater hoses and coupling them together, then running the engine to see if the leak goes away. If it does, I would have the heater core replaced.
Posted on Dec 28, 2008
SOURCE: Heater Core Leaking
you could quick fix! but you will have no heat, 1st under the hood, look at the back of motor, follow all you're radiator hoses, take two hoses off the heater core stick a pipe that is big enough then clamp the pipe down. to both sides of hoses to the pipe you will eventually have to replace heater core!!
Posted on Mar 24, 2009
have your freeze plug checked. I had the same problem and the culprit was freeze plug. heve it pressure checked by your mechanic. freezer plug is so cheap. Around $5.00. the only thing is it's not easy to replace. they have to remove the manifold to gain access on it.
Posted on Apr 23, 2010
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