Question about 1990 Chrysler New Yorker

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My 1990 Chrysler New Yorker heater works sometimes but other times just blows cold air, is it the heater core?

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I have the same car and if i put it all the way up on high it will work sometimes and other time it won't but it i put it on the spot just below high so 3/4 mark it works everytime!

Posted on Feb 25, 2013

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6ya6ya
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Posted on Jan 02, 2017

Tnsiouxfalls
  • 617 Answers

SOURCE: 1988 new yorker atc trouble codes

12 Direct battery input to PCM was disconnected within the last 50 key-on cycles 14 MAP sensor voltage too low 15 No vehicle speed sensor signal

Posted on Feb 21, 2010

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picatudo
  • 239 Answers

SOURCE: 2001 Sebring blow cold air

bad thermostat

Posted on Jan 03, 2009

  • 35 Answers

SOURCE: no heat

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

ZJLimited
  • 17970 Answers

SOURCE: Where is the heater core located in a chrysler New

Definitely not a do-it-yourself project. It involves discharging the air conditioning system and pulling the steering column and dashboard.

Hope helped.

Posted on Nov 04, 2009

  • 583 Answers

SOURCE: 1990 New Yorker (3.3) - Installed new water pump

are you sure the heater tap is turning on? the heater cor may very well be blocked. i would get the radiator and engine block reverse flushed.if you are abit handy yourself ,undo the two heater hoses [at the engine ,not the firewall ] then put a water hose into the heater hose and turn it on---- you may be very surprised what comes out the other hose,if any sludge or muddy water comes out ,then that was your problem , try that first. it has nothing watsoever to do with the thermostat or water pump ,for sure

Posted on Nov 06, 2009

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1 Answer

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