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How to replace a heater core in a 1997 dodge ram

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6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76649 Answers

SOURCE: 2002 DODGE 2WD HEATER CORE REPLACEMENT

first off, disconnect your battery for at least 30 min before touching any plugs or harnesses. next, bleed your A/C and disconnect the quick connects that go inside the firewall. drain your coolant, and disconnect hoses from firewall. note a certain bolt with nut on it that is going to the inside of the firewall, you'll need to take that off when you get to the airbox inside the truck which houses your heater core. next, take off the pillar handles next to the windshield, then pop off the plastic dash panel with defroster vents. there are a few bolts up there that need to be taken out all the way across. next, take off your glove box. remove plastic below the drink carrier. there are 2 bolts there on left and right once you remove the plastic. there's a yellow or red AirBag plug which you may or may not need to disconnect later. next, drop down the whole steering wheel column. 4 bolts I believe. look up under there on both sides, you will see a 2inch piece of tubing that goes from each side of the truck. your dash and everything you see in front of you is connected to that tube. find on each side of the truck where that tube is mounted to the body with brackets. There are 2-3 bolts on each side I think. When you get those out, and the steering wheel is sitting in the seat or on the floor, the whole dash and panel should tilt and lay on the seats. there are wires from your a/c controls and radio which you'll have to disconnect and some various other wires as well. I also think you'll have to disconnect a harness plug with bolt in it on the drivers side. (white) after you've done all that and don't have the dash and panel in a bind with wire hangups you can now get to the air box. I don't remember how many bolts, but don't forget the one in the engine bay going to it also. get the box unbolted, then roll it up, remove 2 clips holding the heater core in, replace heater core and do this whole process backwards. Hopefully you didn't lose any screws or bolts. charge your a/c, replace coolant, make sure all plugs are connected before connecting power. Should save you $400-$500 in labor.

Posted on Mar 25, 2009

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LEFTY64
  • 69 Answers

SOURCE: Need to replace the heater core in a 1995 Dodge Grand Caravan SE

1991-95 Models

  1. Disable the air bag system by disconnecting the negative battery cable.
  2. Have the system discharged by a qualified professional mechanic using an approved recovery/recycling machine.
  3. Drain the cooling system.
  4. Remove the steering column cover and left and right side under panel silencers.
  5. Remove the center bezel by unclipping it from the instrument panel.
  6. Remove the accessory switch carrier and the heater/air conditioning control head.
  7. Remove storage bin and lower right instrument panel.
  8. Disconnect the blower motor lead under the right side of the instrument panel.
  9. Remove the right side 40-way connector wiring bracket.
  10. Remove the lower right reinforcement, body computer bracket and mid-to-lower reinforcement as an assembly.
  11. Disconnect the vacuum lines at the brake booster and water valve.
  12. Clamp off the heater hoses near the heater core and remove the hoses from the core tubes. Plug the hose ends and the core tubes to prevent spillage of coolant.
  13. If equipped with air conditioning, remove the H-valve and condensation tube.
  14. Disconnect the temperature control cable and vacuum harness at the connection at the top of the unit.
  15. Remove the retaining nuts from the package mounting studs at the firewall. Disconnect the hanger strap from the package and rotate it aside.

To install:
  1. Remove the temperature control door from the unit and clean the unit out with solvent. Lubricate the lower pivot rod and its well and install. Wrap the heater core and/or evaporator with foam tape and place in position. Secure with the screws.
  2. Assemble the unit, making sure all vacuum tubes are properly routed.
  3. Install the assembly to the vehicle and connect the vacuum harness. Install the nuts to the firewall and install the condensation tube. Fold the carpeting back into position.
  4. Connect the hanger strap from the package and rotate it aside. Install the 2 brackets supporting the lower edge of the heater housing. Connect the blower motor wiring, resistor wiring and the temperature control cable.
  5. Install the retaining screws from the right side to the steering column. Install the instrument panel trim covering and reinforcement.
  6. Assemble the unit, making sure all vacuum tubes are properly routed.
  7. Install the assembly to the vehicle and connect the vacuum harness. Install the nuts to the firewall and install the condensation tube. Fold the carpeting back into position.
  8. Connect the hanger strap from the package and rotate it aside. Connect the blower motor wiring and temperature control cable.
  9. Install the lower right reinforcement, body computer bracket and mid-to-lower reinforcement as an assembly.
  10. Install the right side 40-way connector wiring bracket.
  11. Install the lower right instrument panel and storage bin.
  12. Install the heater/air conditioning control head and accessory switch carrier.
  13. Install the center bezel to the instrument panel.
  14. Install the under panel silencers and steering column cover.
  15. Install the vacuum lines at the brake booster and water valve.
  16. Connect the heater hoses to the core tubes.
  17. Using new gaskets, install the H-valve and connect the refrigerant lines. Install the condensation tube.
  18. Have the system evacuated and recharged by a qualified professional mechanic, utilizing the proper equipment. Add 2 fl. oz. (59 ml) of refrigerant oil during the recharge. Fill the cooling system.
  19. Perform the Air Bag System Check procedures outlined in this section before connecting the negative battery cable.
  20. Connect the negative battery cable and check the entire climate control system for proper operation and leaks.

Posted on Apr 08, 2009

techbuster
  • 5081 Answers

SOURCE: broken heater core in 2005 dodge ram 3500

The Heater core is difficult to replace on the RAM since it is buried in the plenum box. The box has a convenient door panel that you can open to remove and replace the core. The catch is that the convenient door is on the back of the box and you have to remove the heater box to get to it. This involves removing the steering wheel, steering column, complete dash panel, evacuating the AC, draining the radiator, and finally removing the heater box. Once you have the box out(8-12hrs), the core is simple to replace.

You want to be sure that the core is the problem before you undertake this process. If there is a strong smell of antifreeze in the cab or a puddle of coolant on the passenger side floor, the diagnosis is easy.

Check that the radiator is full, not the overflow tank, the radiator. On a cold engine you can remove the radiator cap and check the level. It should be full. If there is air in the system it will affect cab heating and engine cooling.

Another good check is to feel the two heater hoses going into the firewall from a cold start. The hoses should warm up at about the same rate and get uncomfortably hot-close to radiator temperature.

If the core appears to be OK, the next concern is with the blend doors that divert air through the heater core. This is a common failure on the RAM. Check heatertreater.net for an explanation of the operation of the system and a fix for the common problems. The RAM has four different DC servo motor controlled air flow doors that are susceptible to failure and all of these need to be checked by either observing the symptoms of failure or reading the codes. The problems are easy to fix with the HeaterTreater kits, but the OEM dealer fix requires removing the plenum box as described above. It is a costly repair if you take it back to the dealer and are not under warranty.

Posted on Oct 10, 2009

wilsodfarm
  • 986 Answers

SOURCE: how tro replace heater core in 2003 dodge Ram PU

dodge want $800 to$1000 for doing this and I can see why.You have to raise or remove the whole dash recover you a/c freon ,disconect your a/c lines and heater hoses remove your heater box and put on a work bench remove the top and remove heater core,now next the last one I did the new heater core will not fit you have to modify the box so your new heater core will fit,put it all back together and fill with coolant and charge a/c, man I got tirered just typing this much less doing it, I hope this helps

Posted on Oct 26, 2009

techbuster
  • 5081 Answers

SOURCE: Heater blower motor replacement -1997 Dodge Grand Caravan

Remove the cover plate on the passenger side of the heater box, 3-4 screws.
Unplug the motor assembly, remove 3-4 more screws that hold the motor in place and pull it down from its position. Get an aftermarket motor and installed it in the original housing with the original squirrel cage.
Installation is the reverse of removal.

Posted on Nov 23, 2009

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1997 dodge ram van will not blow out heater or defroster. fan is fine


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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

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Where is the heater core located on a 1997 dodge ram 1500 5.2 318


This is to give you an idea where it's at (behind the dash) and what you would have to do to remove and replace it:

Removal & Installation

  1. Disconnect the battery negative cable.
  2. Remove the instrument panel from the vehicle.
  3. If equipped with air conditioning, recover the refrigerant.
  4. Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube.
  5. Ram: remove the accumulator.
  6. Dakota, Durango: disconnect the accumulator inlet tube.
  7. Drain the cooling system.
  8. Disconnect the heater hoses from the heater core tubes.
  9. Ram: remove the powertrain control module from the dash panel. Disconnecting wiring is not necessary.
  10. Remove the four nuts from the heater–A/C mounting studs on the engine compartment side of the dash panel.
  11. Remove the nut(s) that secure(s) the heater–A/C housing mounting brace to the stud(s) on the passenger compartment side of the dash board.
  12. Pull the housing rearward far enough for the mounting studs and evaporator condensate drain tube to clear the dash panel holes.
  13. Remove the housing from the vehicle.
  14. Lift the heater core out of the housing.
  15. Installation is the reverse of removal.


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May 08, 2010 | 1997 Dodge Ram 1500 Club Cab

1 Answer

How to instill a heater core in a 1997 dodge 1500


Remove the dashboard, the heater core is behind it. Big job not recommended for beginner.

Feb 24, 2010 | 1997 Dodge Ram 1500 Club Cab

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Sounds like your heater core needs to be replaced.

Feb 23, 2010 | 1996 Dodge Ram

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DODGE INTREPID WATER LEAK, WATER IS IN THE DRIVER SIDE FLOOR.


Do you have any heat in the heater if not the water is most likely coming from a bad heater core leaking. If it is sorry to break the bad news. You have to take the dash out and some parts in the engine compartment. Heater core is reasonable to replace but the labor will kill ya. Good luck

Jan 27, 2010 | 1997 Dodge Ram 2500 Club Cab

1 Answer

Heater core going out on my 97 dodge ram 1500


the dash has to come out so you can get to the heater box.

Jan 21, 2009 | 1997 Dodge Ram

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