Question about 2000 Chrysler 300M

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Noheat from vents only almost warm and no cold air from vent when air conditioning is on

Engine at normal operating temp both heater hoses are hot but no heat from vents

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  • Chrysler Master
  • 3,103 Answers

Control valve stuck shut..

Posted on Jan 02, 2014

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

brandyspoile
  • 61 Answers

SOURCE: heating doesnt work - no hot air in chrysler grand voyager

(check water/ antifreeze level first, make sure it's full, low water can cause it not to heat properly) it could possibly be either the thermostat- fairly cheap and easy to fix, great for DIY's- if that doesn't fix it, it could be heater core.

Posted on Dec 06, 2008

  • 4 Answers

SOURCE: 2001 pt cruiser no heat

did you check the fluid level by removing the rad. cap? Radiator should be full to top. If Chryslers are low on coolant, the heater will not blow warm air.

Posted on Jan 04, 2009

  • 1779 Answers

SOURCE: CHRYSLER TOWN & COUNTRY 2003 HEATER PROBLEM

Have you checked the coolant level? If it's low, it will result in diminished heat, and could be the problem.

Posted on Mar 25, 2009

  • 295 Answers

SOURCE: 2008 Town n Country rear air conditioning doesn't work

It needs an A/C discharge line I think I have done over 100 in those cars it is a big problem in those cars.

Posted on Aug 04, 2009

emissionwiz
  • 75797 Answers

SOURCE: Heater on 1995 Chrysler Concorde stopped heating.

there are no reset codes, did you bleed the air out of the cooling system? if not do this procedure, if that doeasn't fix it u have a failed air temperasture control blend door motor actuator.
The generic method of bleeding air from the cooling system is to use a floor jack and raise the front of the car as high as poss, then fill the coolant recovery tank full and run the engine until it just starts to overheat, high end of normal zone on gauge, then shut the engine down and run cold water over the radiator core, this will self bleed the system and the coolant will be pulled from the recovery tank, repeat as necessary, never let the recovery tank run dry or more air will be pulled into the cooling systeml ,

Posted on Jan 11, 2010

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1 Answer

No heat just cold air


Is the gauge showing the engine is warming up to normal temp ?
Are the heater hoses getting hot ?
If the heater core is getting hot, it could be a blend door problem. The blend doors direct air thru the heater core and the ac evaporator among other things.

Dec 06, 2012 | 2005 GMC Yukon

2 Answers

I put a new heater core ,themastat,rad,anti freez,and stils blow cold air could it be coolant tempearture sensor


Does the engine actually warm up enough to produce hot air thru the heater? In other words, does the radiator get hot to the touch? Does your temperature gauge on the dash indicate a normal operating temperature , or does it show cold? Make sure the linkage from the temperature selector in the dash is connected to the water control valve for the heater.

My guess would be the engine is indeed warming up, but a faulty (or disconnected) water control valve to the heater is preventing heated water from ever reaching the heater core.

Jan 09, 2011 | 1992 Ford Crown Victoria

2 Answers

I just replaced my 3.4 liter motor in my 2004 monte carlo and I need to figure out why the other motor over heated and blew a head gasket. Before I replaced the motor the heater was blowing cold air and...


a little tip is to "vent" the topmost hot hose whith the engine running to clear any trapped air in system.....loosen the clip,whilst under pressure,wear rubber bloves cos it bloody hot.......

Sep 10, 2010 | 2004 Chevrolet Monte Carlo

1 Answer

Heater stopped putting out heat, blower works fine air conditioning works fine


What you are saying is when you turn knob to hot you don't get any heat.? Let's start with the basics. Make sure your cooling system is filled up with coolant. Then with the engine warmedup and the temp gauge on the dash indicating between H and C. Find your heater hoses under the hood and feel them. Are they BOTH very warm or hot? os is only 1 warm and the other cool? If both are warm/hot, and still not getting heat from your vents. You have a problem with either the temp controller or the blends doors under the dash. usually the blend doors and it requires removal of the dashboard to get to it. If the heater hoses are wrm and cold then you may have a plugged heater core or water pump not circulating properly.

Jan 14, 2010 | 2000 Jeep Grand Cherokee

2 Answers

4.6 liter has one heater hose warmer than the other. may be plugged core,or is ther a fuse to climate control switch?


Look for a heater valve on one of the hoses if there is no valve i would say its a plugged heater core.

Dec 11, 2009 | 1999 Ford F150 Regular Cab

1 Answer

I've got a 1997 Plymouth Grand Voyager Rallye SE. The heat for the back air vents turns on but never gets warm. It constantly stays cold (or whatever the outside temperature is) and on the flip slide if we...


your vehicle has two heater cores in it one front and one rear,there will be two heater hoses running back the van under the passenger side of van,after van is run and engine is at operating temp,find the hoses and see if they are both hot or if one is hot and one is not.those hoses are the temperature that will come out your rear heater.sometimes people get a leak in the rear and just cut and plug those hoses,and they do the same with the two metal lines that have freon in for the rear A/C.

Nov 27, 2009 | 1997 Plymouth Grand Voyager

2 Answers

Nothing but hot air coming out from vents all the time.


Check the actuator motor on the inside of the car on the heater. It shifts the doors of the unit to let the heat and ac shift.

May 02, 2017 | 2002 Suzuki Vitara

1 Answer

Fully warmed up; blowing hot and cold; Suzuki XL-7


Its just a vent damper plate not operating, it's like a gate which controls the flow of air,,usually they are operated by vacuum, or cables.
Service center time, unless you are handy with your own repairs.

Jan 19, 2009 | 2004 Suzuki Verona

1 Answer

Heater not hot


does the heater core get hot, check the coolant hoses going to the core to see if both are hot, if they are U have a air temperature control blend door problem, most likely the actuator for the door has failed.

Dec 16, 2008 | 2001 BMW 325

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