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1998 dodge Durango heater core hoses inlet and outlet. which one goes top and bottom of the core

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Posted on Jan 02, 2017

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SOURCE: heater core hoses

intake hose to top

Posted on Jan 18, 2009

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SOURCE: 1999 dodge durango heater core

It's a big job. Drain the coolant down, recover the freon in the ac system and disconnect the lines and heater hoses. Lower the steering column, remove the instrument panel assembly, remove the heater housing. Split the case halves on the housing and there you are. Usually around 500 to 700 dollars at a dealership.

Posted on May 29, 2009

  • 7353 Answers

SOURCE: 2002 dodge 1500 Changed radiator, thermostat, and hoses. No heat

Why was radiator replaced?Did it have heat before ? If it was plugged, the heater core may also be plugged. Try flushing it with a water hose in both directions. I dont know why the botton radiator hose would be cold, the radiator should be a uniform temp and the air coming through the radiator should be HOT, when the engine is at operating temp. What condition was the old coolant? if it was rusty, the water pump may have lower flow than normal.

Posted on Nov 19, 2009

  • 743 Answers

SOURCE: 2002 caravan WHICH heater hose is the inlet hose

Usually the top, but you can hold your hand on both hoses as the engine heats up and the inlet will heat up first.

Posted on Aug 07, 2010

  • 90 Answers

SOURCE: 2008 dodge charger 3.5HO,heater blows cold out of

change the thermostat

Posted on Dec 13, 2010

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1 Answer

87 dodge diplomat


You should be able to figure it out. It's only two hoses. Think inlet and outlet to the heater core under the dash. The inlet always comes from upper part of engine, where the coolant is the warmest and where it heats up first. The fitting will come from upper part of intake manifold or the cylinder head. then the hose goes to the firewall.
The outlet from the heater core carries coolant back to the engine and almost always to the water pump on the front of the engine. Makes sense, coolant goes back into the water pump and is circulated again back into the engine.

Jun 17, 2017 | Dodge Cars & Trucks

1 Answer

Monte Carlo heater core


I don't know if top or bottom, but the heater core inlet will be the hose coming from either the intake manifold or a fitting on a cylinder head. The outlet from the heater core goes to the front of the engine, it goes into the water pump. I think all GM engines are like this, and almost all engine designs likewise. On a 1992 3.8L, for example, the heater core inlet hose comes from the intake manifold on the passenger side. The heater core outlet goes into a fitting on the water pump (lower front of engine).

Aug 02, 2015 | Cars & Trucks

1 Answer

Heater core plug how to flush it grand am 1998


The core may be plugged, or it may have an air lock, or the core may be fine and the doors in the heater case may not be opening properly to pass heat.

With the engine at normal operating temperature, feel both the inlet and outlet core hoses at the firewall. If the coolant is circulating both hoses should be hot. If only one is hot, try cracking open the outlet line, with engine running, to get flow started from an air block. (The outlet line will run from the firewall to the front of engine near or at the water pump housing. The inlet for the heater comes off the top of engine from a head fitting and goes to the firewall.) If no flow results, the core may be plugged. To flush the core, take both hoses off at the firewall or off at where they fit on the engine, and put a garden hose into the outlet-flush it backwards-run until clear-let the water run to ground or use a catch can if able to. Some people use compressed air into the core instead of water flushing. Either way, you should see some sediment come out if it had any blockage. Once you get the heater core circulating, any further heater problems need to be addressed at the heater case. Make sure the temperature blend door can open and close-this door opens to let blower fan air pass across the heater core.
Good luck.

Dec 02, 2012 | Cars & Trucks

1 Answer

Replaced the thermostat and water pump in my 1998 Dodge Durango and flushed the cooling system but it still won't blow heat. What's the next thing to try?


Check the two hoses going to the heater core.
They will be in the engine compartment on the passenger side fire wall.
Touch both hoses. There should be only about 15 deg. difference between the two of them
If one is hot and the other is cool then the heater core has failed and needs to be replaced.
Hope this helps give feedback thank you FixYa.

Feb 05, 2011 | 1998 Dodge Durango

1 Answer

Where is heater control valve on 2003 dodge ram pick up


THERE IS NO HEATER CONTROL VALVE ON THE WATER HOSES. NEW HEATER CORE. INLET LINE right before heater core hot, outlet after core look warm. Burped cooling system 5 times with engine at operating temp. Installed homade burp VALVE right after heater core outlet(high part of hose). Still no heat. Removed water pump, impeller still in good shape not stripped off shaft. Removed heater core hoses flushed water thrue the connections on the block to the water pump INLET and outlet. flushed water thrue heater core and hoses. Going to put it back togeter today. Used known good gauge to check water temp for operating temp in test. 195 f

Oct 22, 2010 | 1997 Dodge Ram 1500 Club Cab

1 Answer

Trying to locate the heater inlet hose for a 1998 dodge caravan


I had a 98 caravan for 3 years, but I don't have it anymore. Going off memory but I recall both the inlet and outlet hoses are near the center of the firewall directly below the windshield. If it is a 3.3. or 3.8 the Intake Plenum is kind of in the way, but it is not difficult to remove.
If you are planning on removing the heater core, good luck. I have heard the whole dash must be removed.

Aug 12, 2010 | 1998 Dodge Caravan

2 Answers

Can i still drive my 99 dodge durango with a bad heater core?


well if the heater core is leaking then your coolant is leaking as well, heater cores leak on the inside of your car so your car will get water damage and will smell like antifreeze, so i wouldnt drive it

Sep 28, 2009 | 1999 Dodge Durango

1 Answer

Not getting much heat from the heater.


have u checked the heater core inlet and outlet hose's are the hot, one hot side one cool indicates a plugged up core. if that is ok u may have a stuck air temperature control blend door in the dash air distribution system, also make sure your engine reaches at least 180 deg F.

Mar 12, 2009 | 1998 Dodge Dakota

1 Answer

Heater core hoses


intake hose to top

Jan 17, 2009 | 2000 Dodge Durango

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