Question about 1987 Chrysler New Yorker
I had the same problem, first make sure radiator is full of water, and that the heater valve is working. the heater valve opens and closes by vacuum and is under the hood close to the firewall where heater hoses go into firewall to heater core under the dash. The other thing I done was to back flush the heater core, by unhooking both heater hoses from the motor and and taking a water hose with no end on it and running water through each hose one at a time. When the water flows in normal direction you probally won't see anything, but when water is run in the opposite direction you will generally see black stuff come out of it. Anyway that solved my problem.
Posted on Mar 24, 2009
There should be a thermal coil in it. I know that mid 90's dodge trucks had it mounted under a cover in the engine compartment by where the heater coil on the passenger side. It's about 2 to 3 inches long. Check on that it actually regulates the heat from your heater. Also check for any antifreeze leaks or sweet smell from your heater, this will be the first signs of it being the heater coil.
Posted on Jan 03, 2009
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