no heat from heater?

check to see if both heater hoses are hot first. If they are then you'll have to check your actuators on your heater unit to see if they are working, they can be either vacuum or electric. Check out this guide with the diagrams below.

https://www.2carpros.com/articles/car-heater-not-working

Check out the diagrams (Below). Please let us know what you find.

I let my 1999 dodge dakota warm up for about twenty mins. then ill start driving it and it will over heat and blow ice cold heat soo ill shut it off and let sit for ten minutes and then it will be all fine but look warm heat. So what should i do?

Try replacing the thermostat and see what happens

i have replaced the thermostate and flushed out my whole system and it worked for a couple days but now i got this problem

Make sure the coolant level is correct and try bleeding it could be airlock in it-if it continues have it block and pressure tested-

okay ill try that. and i was told it cold be the heater core and there a ***** to replace

How long ago did you replaced the Stat? -could be the problem again

about a month ago

my 1999 dodge dakota had a new heater core put in it and new therm but whem temp control knob is turned to heat airflow drops to almost nothing and what does come out isnt hot,i hear a door moving back and forth but wonder if there is 2 doors that the cable operates and do i have to take heater core housing out to fix.

Hi pb2010,

Thank you for the donation.

Seems the cable is out of adjustment. Heater core need not be removed for adjusting the cable.

Here are the procedures.

ADJUSTMENTS

TEMPERATURE CONTROL CABLE

1. Ensure temperature control cable housing and core are connected at both heater control panel and heater assembly. Ensure heater control panel is properly installed.

2. Rotate temperature control knob so that knob pointer is at 12 o'clock position. Pull temperature control knob straight out from heater control panel until perimeter of knob (not knob pointer) protrudes about .25" (6 mm) from face of heater control panel.

3. Rotate temperature control knob clockwise so that knob pointer is at one o'clock position. Push in on knob slightly and continue rotating knob to its full clockwise stop. Place knob pointer at a position about .32" (8 mm) beyond end of Red stripe. Release knob. If knob is pointing at about .32" (8 mm) beyond end of Red stripe, go to next step. If knob is not pointing at about .32" (8 mm) beyond end of Red stripe, go back to step 2 and repeat
adjustment procedure.

4. Rotate temperature control knob counterclockwise so that knob pointer is at 12 o'clock position. Push temperature control knob straight into heater control panel until perimeter of knob (not knob pointer) is flush with base of heater control panel.

5. Rotate temperature control knob to its full clockwise stop. Release knob. Knob pointer should be aimed at end of Red stripe. If knob is pointed at end of Red stripe, go to next step. If knob is not pointed at end of Red stripe, go back to step 2 and repeat adjustment procedure.

6. Rotate temperature control knob to its full counterclockwise stop. Release knob. If knob springs back, self-adjuster clip securing temperature control cable to blend-air door lever is improperly installed. See TEMPERATURE CONTROL CABLE under REMOVAL & INSTALLATION. If knob does not springs back, temperature control cable adjustment is
complete.

© 2008 Mitchell Repair Information Co., LLC.

I have a 1999 Dodge Dakota, V6 engine. I'm getting very little heat. Thermostate has been changed and system drained and flushed.
I'm thinking heater core needs to be flushed seperately(how is that done?) or maybe heater control valve or control.
Please help
Glen

NOTE: NEVER OPEN THE RADIATOR OR REMOVE ANY COOLING SYSTEM HOSES WHEN THE ENGINE IS HOT>

Before doing anything, do this. Start the engine, let it warm up with the heater on high. Feel both heater hoses. If one is cold and one is hot, then flush the heater core by removing the two hoses and forcing water (from a hose) through the core in both directions. They do make kits for them, but usually all that is needed is water pressure in the opposite direction of normal water flow. After you finish, reconnect the supply hose to the heater core and tighten. Reattach the return but don't tighten until you start the engine and allow the coolant to flow through the hose to eliminate air from the system.

If both heater core hoses are hot, then you need to check the blend door. It determines if you get heat or AC in the vehicle. The Blend door is near the heater core. If it is stuck in the cool position, you will not get heat.

Let me know what you find.

Joe

I have a 98' Dodge Dakota sports V6 magnum. I live in Michigan, and it is Fricking cold! my air conditioning works awesome, super cold, but i have no heat. my blower works on all settings, low to high, and I can change vents, defrost, floor, etc. but there is never any heat blowing. does anyone know why there is no heat?

I need you to check two things for me. First, make sure the engine is running at a normal operating temp. Also, with the engine hot and the heater on, feel both heater core hoses. They should both be hot.

Let me know what you find.

Joe

the temp gauge reads about 200, i just had a the system flushed, and am getting minimal head. the hoses are warm, not extremely hot, the top one is hotter then the bottom. thanks for any additional info you can give.

did you have the heater core flushed? It sounds like there is not enough flow through the heater core.

Heater problem
1998 Dodge Dakota 6 cyl Two Wheel Drive Automatic

why the heater won't get very warm in my truck, even I already change out the thermostat. Please help me.

thank you.

Hi do you have time to open the hood to feel around and see if there is heat getting to the interior, by checking the heater hoses? How many miles are on it, and does the gauge read hot(temp)?

Replaced thermostat and filled radiator. Engine barely warm and no heat

After filling the radiator did you leave the off cap when you started it up and let it run?

No sir. Why do u ask ?

Whenever you drain coolant or open the cooling system. You create an air pocket(s) in the system. When the engine is cold, remove the cap, fill with coolant, start the truck and turn on the heat, let it idle till it reaches normal operating temperature, check coolant level, raise the rpm above 2500 a few times to help push the air out of the system. Do this till the upper and lower radiator hoses are hot and you have heat at idle. Be sure to keep an eye on the coolant level.

Awesome. Thank you

Your very welcome. Please let me know if there is anything else I can help you with.

my truck only gets up to about 170 to180 degrees which i believe is why my heater does not put out any heat.therefore my question is why does it not get up to temperature. is there a censor or something that could be bad or something

Hi:
It sounds like the thermostat is bad. You're right, the truck should run around 195 to 200 degrees. However, the way it is now, you should still get at least warm air from the heater.

Let me know if I helped, and if you have any other questions.
Joe

Heater problem
1999 Dodge Dakota 6 cyl Two Wheel Drive Automatic

replaced thermostat and radiator cap. Started taking dash apart to get to controls. Need any suggestions. Will be looking at vaccume control to open door on heater core. For safety, I need to pull the fuses to the air bag system but they do not just pull out. Any suggestion?

Disconnect the battery for at least 30 minutes prior to working on it. As far as the heater core, with the engine running, hot, and the heater on, do both heater core hoses get hot?

With engine up to temp, I could grab both hoses at the firewall to heater core barehanded and hold on to them. I thought they would be hotter than that. Did not think there was a difference in temp of the two hoses. There has been a flush kit installed when I had the system serviced in the past. I think the kit is installed on the wrong hose. It is on the hose going to the water pump from heater core. From the things I have read it should be on the other hose going from engine to heater core.

I get very little heat in cold weather (zero). Last winter I had no heat after buying used. the pump leaked so I put in nrw pump hoses, stat, and 2 flushes back flush. still no heat, I the had a new heater core installed. Heat was better but not hot.
Last winter after repair temp was mid 20s or higher.
During the resent cold snap zero and lower in Chicago i am freezing after warming up engine for 20 min. while driving on road barley enough heat to keep windshield from frosting up. blower works, coolant full, vents work where I select but air is luke warm. When it is 20 plus degs the heat is marginal. When its really cold I need heat to see out my windshield and warm up after working in these extreme temperatures. It seems after looking up problem many 3.9l have same problem. temp gauge loooks to be around 160. I thought the stat in the system was 195 as the engine calls for. can I fix it or just melt it in the furnace for scrap.

You may need to block off part of your radiator to get the engine temp up. If it is running at 160, you wont get any heat in the cab. Is the blend door (hot-cold) under the dash working properly?, may not be moving all of the way one direction so you are getting warm instead of hot