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Heater air conditioner control assembly wiring diagram

Posted by Anonymous on

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6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

emissionwiz
  • 75797 Answers

SOURCE: Heater / air conditioner fan control doesn't engage fan. Previously, it only worked in high speed.

I would replace the blower motor resistor first then see if that corrects this. The resistor is located next to the blower motor under the dash.

Posted on Jul 16, 2012

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2 Answers

1993 Buick roadmaster, blower motor will not change from floor to vent, or defrost. Its stuck on vent, any ideas?


air control motor needs replaced middle of dash under dash not a fun job for anyone .

Apr 30, 2015 | Buick Cars & Trucks

1 Answer

What operates the doors for the air conditioner and heater controls in a 1992 Plymouth Sundance 2.5 engine


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Apr 23, 2015 | Plymouth Cars & Trucks

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How to access/replace the vent selector(defroster) ?


buy one
and install it.
it has clamps remove them or unsnap them and .....
access? its in the dash.
the FSM covers all HVAC work , you can get that and read it
or hope that ALLDATA.com covers R&R for the cables.
but will cover access. (huge job on some cars)
working on the dash with out and FSM invites more broken parts.
plastics.
hidden screws and such , and how to get to them are covered in the book.
here is the control panel, pasted


Removal & Installation
  1. Remove the upper console panel.
  2. Remove the instrument cluster finish panel
  3. Release the 2 fitting claws and pull out the heater control assembly.
  4. Using a screwdriver, open the claw of the cable clamp and disconnect the defroster damper control cable. NOTE Be careful not to bend the cable wire. If the cable wire bends, the heater control assembly operationally becomes worse.
  5. Using a screwdriver, open the claw of the cable clamp and disconnect the air mix damper control cable.
  6. Disconnect the connector, remove the heater control assembly. 42050_coro_g0008.gif Removal and installation of the control panel
To install:
  1. Install the inner cable end of the air mix damper control cable to the heater control lever.
  2. Install the outer cable of the air mix damper control cable to the cable clamp. NOTE Be careful not to bend the cable wire. If the cable wire bends, the heater control assembly operationally becomes worse.
  3. Operating the heater control knob and check that it properly stops at both ends of MAX. COOL and MAX. HOT and no recoil is identified.
  4. Check that the outer cable should not be disengaged (moved) from the heater control assembly when the cable is pulled.
  5. Install the inner cable end of the defroster damper control cable to the heater control lever.
  6. Install the outer cable of the defroster damper control cable to the cable clamp.
  7. Operating the heater control knob and check that it properly stops at both ends of FACE and DEF and no recoil is identified.
  8. Check that the outer cable should not be disengaged (moved) from the heater control assembly when the cable is pulled.
  9. Connect the connector, install the heater control assembly.
  10. Install the instrument cluster finish panel
  11. Install the upper console panel.

Dec 13, 2013 | 2005 Toyota Corolla

1 Answer

How to replace a 1999 toyota camry 4 cylinder heater core


Instructions
    • Drain the Camry's engine coolant, using a clean container for reuse. Disconnect the negative battery cable and wait a minute and a half for the airbag system to de-energize. Discharge and recover the air conditioner refrigerant.
    • 2Disconnect air conditioner suction hose and liquid pipe, then clamp on the tubes with an SST clamp. (Make sure you don't deform the tube). Disconnect the heater core hoses.

    • 3Disassemble every component of the dashboard, starting with the steering wheel and column. Removal includes the door scuff plates, cowl side trim, console panels and air bags. You'll need a second person's help to remove the dashboard from the interior.
    • 4Remove or disconnect all air ducts, the heater blower assembly, lower defroster nozzles, air conditioning radiator assembly. Remove the mode damper servo sub-assembly and Airmix damper servo sub-assembly, then remove the core from the air conditioner assembly.
    • 5Install the replacement heater core into air conditioner assembly. Reassemble all components of the heating/air conditioning unit, dashboard and dashboard components. Connect the heater core and A/C suction and pressure hoses, lubricating the O-rings with compressor oil.
    • 6Attach the negative battery cable, fill the cooling system and evacuate and recharge the air conditioner. Start up the engine and check for leaks in the system.

Dec 27, 2012 | 1999 Toyota Camry

1 Answer

Need to replace heater core? how do i remove old one and replace new one?


Here are the instructions with a diagram. If you need to enlarge the diagram save it to your picture files and then enlarge it there.

1. Disconnect battery ground cable, then drain cooling system. See: Engine, Cooling and Exhaust\Cooling System\Service and Repair

2. Disconnect heater hoses from heater core. Plug heater hoses and core fittings to prevent coolant spillage.


3. Remove bolt located below windshield wiper motor, attaching left end of plenum to dash panel.


4. Remove nut attaching upper left corner of evaporator or heater case to dash panel.
5. Disconnect vacuum control system supply hose from vacuum source, then push grommet and hose into passenger compartment.

6. Remove all instrument panel retaining screws and pull instrument panel back as far as possible without disconnecting any wire harnesses.
7. Loosen right door sill plate and remove side cowl trim panel.

8. Disengage temperature control cable housing from bracket on top of plenum. Disconnect cable from temperature blend door crank arm.

9. On models w/Automatic Temperature Control (ATC) , remove cross body brace and disconnect wiring harness from temperature blend door actuator and disconnect ATC sensor tube from evaporator case connector.
10. Disconnect vacuum harness at vacuum connector near floor air distribution duct.

11. Disconnect white vacuum hose from outside recirculating air door vacuum motor.
12. Remove two hush panels.

13. Remove one plastic push fastener retaining floor air distribution duct to left end of plenum. Remove left screw and loosen right screw on rear face of plenum. Remove floor air distribution duct.

14. Remove two screws from rear side of floor air distribution duct to plenum. To remove right screw, it may be necessary to remove the two screws attaching lower panel door vacuum motor to mounting bracket.

15. Remove push fastener attaching floor air distribution duct to left end of plenum, then remove floor air distribution duct.
16. Remove two nuts located along lower flange of plenum.
17. Carefully move plenum rearward, so that heater core tubes and plenum case upper stud clear openings in dash panel, then remove plenum from vehicle by rotating upper portion of the plenum forward, down and out from under instrument panel. It may be necessary to carefully pull lower edge of instrument panel rearward while plenum is being removed from behind instrument panel.
18. Remove retaining screws from heater core cover, then the cover from plenum assembly.

19. Remove retaining screw from heater core inlet and outlet tube bracket.


Heater core removal and installation diagram.




emissionwiz_78.jpg

20. Pull heater core and seal assembly from plenum assembly.
21. Reverse procedure to install.

Jan 06, 2011 | 1993 Mercury Grand Marquis

1 Answer

Looking for where the heater cord is located?


To remove and installing the Heater Core, check this procedure...
  1. Disconnect and plug the heater hoses at the firewall.
  2. Disconnect the heater valve control cable.
  3. Remove the heater unit attaching nut on the firewall.
  4. Remove the dashboard as follows:
    1. Remove the center panel.
    2. Disconnect the wire connectors at the fuse box.
    3. Disconnect the sunroof switch connector, if equipped.
    4. Disconnect the ground cable at the right of the steering column and the power mirror switch wire connector.
    5. Remove the side air vent knob and face plate.
    6. Remove the screws attaching the air vent control lever.
    7. Remove the center panel, radio and heater control head.
    8. Remove the gauge upper panel (4-door) or instrument panel (3-door).
    9. Disconnect the speedometer cable.
    10. Remove the center upper lid.
    11. Remove the side defroster garnishes on both ends of the dash.
    12. Lower the steering column.
    13. Remove the dashboard mounting bolts.
    14. Lift and remove the dashboard assembly.
1. Remove the heater duct.

zjlimited_113.jpg

Fig. 1: Removing the heater duct assembly

  1. Remove the steering column bracket and duct assembly.
  2. Remove the heater assembly mounting bolts.
  3. Remove the heater assembly and remove the heater core.
zjlimited_114.jpg

Fig. 2: Removing the heater case assembly

zjlimited_115.jpg

Fig. 3: Removing the heater core from the heater case


Hope this helps (remember to rate this answer).

Nov 23, 2010 | 1992 Honda Civic

2 Answers

My heater doesn't work. Hot water is circulating,


if both heater hoses going into the fire wall are hot,remove the heater control assembly from dash and make sure cable is connected and do the same under the hood where one heater hose has a valve connected to it,

Dec 15, 2009 | 1985 Chrysler Fifth Avenue

1 Answer

Air Conditioner Problem


the most common problem here is a defective air temperature control blend door actuator, this is what moves the door that controls air flow across the heater core or the ac evaporator core, to replace this requires u remove the dash assembly.

Aug 13, 2009 | 2005 GMC Yukon Xl Denali

2 Answers

Air conditioner intermittently works. check low pressure switch ok where does voltage go from there? I have the low pressure switch bypassed compressor worked for a little bit.


You may have a problem with your A/C On/Off switch which is located in the Heater Control Assembly in the dash.
My 1992 Civic had a similar problem that required me to remove the Heater Control Assembly. Next, I had to pull apart the assembly to access the A/C on/off switch. If I remember correctly, there are six solder joints for that switch that connect it to a circuit board. Mine only required resoldering of those six connections and everything works perfectly again. Please note, that my switch appeared to turn on and off with the green indicator changing states when pushed, however, some of the six solder joints were not making a good connection. So, although the light said things were "on" they were not.
Pulling out the Heater Control Assembly is not an easy task, so if you're not particularly handy that way, get yourself some help or instructions on how to do that. Once removed, it's tricky pulling the assembly apart to access those solder joints, but if you're pretty handy and careful, you can do it without damaging anything.
If necessary, you can purchase a new Heater Control Assembly on-line through such places as Majestic Honda for about $240
Just be sure all the easier solutions are checked out before trying this one.
Good luck, Mark

Jul 11, 2009 | 1994 Honda Civic

2 Answers

How to replace heater core 93 honda del sol


Heater Core Honda Civic/CRX/del Sol 1984-1995 Repair Guide REMOVAL&INSTALLATION
See Figures 1, 2 and 3
REMOVAL & INSTALLATION
  1. Disconnect the negative battery cable and disable the SRS system (if equipped.)
WARNING All SRS wire harnesses are covered with a yellow insulation. Read the SRS precautions found in this section and install the short connectors as described.
  1. Properly drain the cooling system.
  2. Disconnect and plug the heater hoses at the firewall.
  3. Disconnect the heater valve control cable.
  4. Remove the heater unit attaching nut on the firewall.
  5. Remove the dashboard as follows:
    1. Remove the center panel.
    2. Disconnect the wire connectors at the fuse box.
    3. Disconnect the sunroof switch connector, if equipped.
    4. Disconnect the ground cable at the right of the steering column and the power mirror switch wire connector.
    5. Remove the side air vent knob and face plate.
    6. Remove the screws attaching the air vent control lever.
    7. Remove the center panel, radio and heater control head.
    8. Remove the gauge upper panel (4-door) or instrument panel (3-door).
    9. Disconnect the speedometer cable.
    10. Remove the center upper lid.
    11. Remove the side defroster garnishes on both ends of the dash.
    12. Lower the steering column.
    13. Remove the dashboard mounting bolts.
    14. Lift and remove the dashboard assembly.
  6. Remove the heater duct.
0900c15280061a21.jpgFig. 1: Removing the heater duct assembly
  1. Remove the steering column bracket and duct assembly.
  2. Remove the heater assembly mounting bolts.
  3. Remove the heater assembly and remove the heater core.
0900c15280061a22.jpgFig. 2: Removing the heater case assembly 0900c15280061a23.jpgFig. 3: Removing the heater core from the heater caseTo install:
  1. Install the heater core into the heater unit.
  2. Install the heater assembly and the attaching bolts.
  3. Install the heater duct and steering column bracket.
  4. Install the dashboard assembly. Tighten the mounting bolts until just snug.
  5. Raise and attach the steering column.
  6. Install the center upper panel.
  7. Connect the speedometer cable and install the instrument gauge assembly.
  8. Install the control head, radio and center panel.
  9. Install the side vent and face plate.
  10. Connect the ground cable at the right of the steering column and the power mirror switch wire connector.
  11. Connect the sunroof switch connector, if equipped.
  12. Connect wire connectors at fuse panel.
  13. Install the heater unit attaching nut on the firewall.
  14. Connect the heater valve control cable.
  15. Connect the heater hoses at the firewall.
  16. Connect the negative battery cable.
  17. Fill, bleed and leak check the cooling system.

Sep 01, 2008 | 1996 Honda Accord

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