What would make your heat in your 99 cummins not blow hot air The heater core is hot to touch and the door that opens and closes from cold to hot is working Any suggestions on what this could be?

It has the intake heater.

No, the Cummins uses an intake heater grid.

Check for blown fan motor fuse.

The Cummins diesel in a Dodge Ram does not have glow plugs, it uses an intake heater grid.

The intake heater is the square block between the air horn and the intake manifold.

You need to have the intake heater grid tested.

Check the control actuating cables or switch to the heater diverter valve to make sure hot water is being sent to the core.

On eBay or Ryder Fleet Service about $20. The heater is in the block but Dodge doesn't include the cord..

The 6.7L uses two heated O2 sensors in the exhaust system.

The heater on a Mercedes c200 will stop working if the heater core is blocked. It allows hot coolant from the engine to be used in heating the cabin.

If you have lost a sufficient amount of coolant this will stop the heater working because there will be no hot water in the heater rad.

If the heater is not working in your Eddie Bauer edition Ford Expedition, your heater core is probably junk and needs to be replaced.

The heater housing is behind the dash on the passenger side.

If equipped, the cord runs from just behind the oil filter on the passenger side.

You don't. It uses an intake grid heater. You don't have glow plugs.

Only the blower motor not working.

my heater has been doing the same thing for three yaers so far no luck...

If the heater does not work, check: -heater fuses and/or any heater relays -heater control head -heater blower motor resistor

Generally no. The amount of heat is small, but you should hear a buzzing noise when the heater is running. Mark

Try an engine heater or an oil heater. These are both inexpensive.

how easy is it to replace heater 1994 espace?

broken heater motor but where is heater motor inside from?

that has a lot to do with.if your heater core is pluged up you wont get any heat out of it.

if i remember correctly there is a heater fuse behind the glove box. you need to pull the glove box to find it.

take the fuel filter off. there is a threaded nipple that the filter was screwed onto. on th bottom of that there is a slot. i made my own tool out of a chisel and a rachet to get it out but a wide blade screwdriver or vise grips will work too. take that nipple out and the heater will fall off with it. then call cummins and get the nipple they sell for a…