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How to install a heater damper switch in 1991 ford f-350?

CONNECT VACCUME HOSES.

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  • 103 Answers

I would think your talking about your defroster in that case you need t replace the ac control head.

Posted on Nov 26, 2014

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Posted on Jan 02, 2017

  • 2 Answers

SOURCE: 2000 ford windstar heater blowing cool air

Hi, You may have an air lock in the system. Have you ever had the system flushed out? This might be the fix. Also the thermostat might need to be replaced. You didn't say if you hear the clicking noise. If you do hear the clicking noise when you adjust the tempture control then its back to the replacement of the blender motor box with broken gears.
Hope this helps Warren

Posted on Nov 17, 2008

  • 56 Answers

SOURCE: blower working no heat hoses hot relaced heater

If you're not the original owner of the vehicle, check your thermostat first (may be missing) or it may be defective. Good day.

Posted on Sep 11, 2009

  • 25 Answers

SOURCE: ford e350 dash controls don't work switch

Well, there is a vacuum canister under the hood that stores vacuum for the heater. Yes, this could be the problem, or it could also be something electrical. By the sounds of your problem i would lean towards a vacuum problem. The vacuum canister will black in color and usually round, it will be on the passenger side, usually by the heater box. there will 2 vacuum hoses on it. Are you hearing any hisses coming from the dash area, or under the hood? That is another sign you have a vacuum leak as well. Hope tihs helps you out....

Posted on Oct 23, 2009

john631068
  • 172 Answers

SOURCE: 2003 FORD F-350 HAS HEAT THEN NO HEAT HAVE CHANGED

If you are sure all the things you fixed are working good then I would say its the heater control valve around $30 and looks like this hope this helps

6ac94d7.jpg

Posted on Nov 20, 2009

  • 81 Answers

SOURCE: in a 2001 ford expedition

if you have a good heater core and your hose are connected you should have heat if you just bought this and they were not connected your heater core may not be any good

Posted on Feb 03, 2011

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1993 ford escort heater blowing cool


heater core cloged, get car hot check heaterhose going into heatercore should be two inch thick hoses going into the heatercore, underhood against firewall pasenger side, after hot while running heater on, chech to see if both hoses r hot, if one is cold,that means there is a restriction in the heatercore, sometimes on older cars there is a external valve run by a vaccume hose, or cable, thats fixed in with the heater hoses , sometimes this valve jams and can be manually switched.

Dec 16, 2012 | 1993 Ford Escort 4 Door

1 Answer

I have problem heating the back seat section, the blowers are ok, but only cold air comes out. Please help!


Check and see if some one has bypassed heater core hoses. If they have theirs a goo bet the heater core leaked and needs replacement befor new hoses can be installed. Depending on year there is a valve in heater core line that tells hot water to flow it maybe stuck or no signal to valve is being recieved. If its operated by a vaccume hose make sure its not broken. This may require you access the heater control panel in dash make sure vaccume is being recieved and that hose to heater valve holds vaccume. If vehicle is a later model then control panel maybe electronic and electrical diagrams necessary to futher diag.

Jan 10, 2011 | Pontiac Montana Cars & Trucks

2 Answers

There is coolant leaking on the passenger side underneath of the car and rear of engine. It doesn't seem to be the lower hose and both the rad and thermostat are new and appear to be dry. I suspect the...


agree, heater core. see procedure below


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.
    177f070.gif

Fig. 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.

07c9641.gif

Fig. Fig. 2: Removing the heater case assembly

82ed899.gif

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


To 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.

Oct 05, 2010 | 1991 Honda Civic

1 Answer

Heater core 1991 corsica needs to be replaced. how do i get to it?


1991 VEHICLES
  1. Disconnect the negative battery cable.
  2. Drain the cooling system into a suitable container.
  3. Properly disable the SIR system, as outlined earlier in this section.
  4. Remove the instrument panel as outlined in this section.
  5. Remove the screws and floor outlet, turning clockwise and to the right to release from the rear floor air outlet.
  6. Raise the vehicle and support it safely.
  7. Detach the heater hoses from the heater core.
  8. Disconnect the drain tube elbow from the heater core cover.
  9. Carefully lower the vehicle.
  10. Unfasten the retaining screws, then remove the heater core cover.
  11. Remove the core screws, clamps and heater core from the vehicle.
e9c0b51.jpg

Fig. : Exploded view of the heater core and related components - 1991-92 vehicles without A/C


To install:
  1. Reposition the heater core and install the straps and screws.
  2. Install the heater core cover and attaching screws.
  3. Install the floor outlet and retaining screws.
  4. Install the instrument panel.
  5. Raise the vehicle and support it safely.
  6. Connect the heater hoses to the heater core.
  7. Carefully lower the vehicle.
  8. Fill the cooling system with the proper type and amount of coolant.
  9. Enable the SIR system, as outlined earlier in this section.
  10. Connect the negative battery cable, then start the engine and check for coolant leaks. Check the coolant level, and add if necessary.

Hope this help (remember rated this post). Good luck.

May 15, 2010 | 1991 Chevrolet Corsica

1 Answer

Why wont the heat work on 1991 roadmaster wagon. thermostat good, water pump good, blower motor works. maybe a vacuum problem? or something with the heater core... how do i fix it?


check youre heater hoses coming out of the engine .make sure they both are the same temp ,when the engine is warm going in to the heater core the hoses run up to the fire wall if the hoses are hot on both sides the problem is inside the car make sure the cable is moving form cold to hot if the cable is un hooked you will not have control over the temp .the cable runs under the glove box on the top of the heater box ,there is a small arm that moves back and forth ,the cable hooks up to a little clip make sure this is still attached if it is check youre controler on the dashboard the only way it would be a vaccume problem .is if the defrosters and heater and vents are not working .if this is the problem check for a disconnected vaccume line near the fire wall .or distrubitor

Nov 18, 2009 | 1992 Buick LeSabre

1 Answer

HOW DO U GO ABOUT PUTTING IN A HEATER CORE. NEED


1. drain coolant
2.remove instrument panel
3. for 5.4 (4v) if equiped,remove junction splash shield
4.for 5.4 (4v) if equiped, disconnect starter relay cable9ad8eea.gif
  1. For 5.4L (4V), if quipped, remove junction block bracket.
  2. Clamp inlet and outlet heater hoses.
  3. Disconnect heater hose from heater core by gently pressing it toward heater core.
  4. Remove A/C plenum demister adapter.
  5. Disconnect vacuum line.
  6. Remove 13 plenum chamber top screws.
  7. Remove blend door assembly from case.
  8. Remove heater core.
To Install:
NOTE: If needed, clean and lubricate coolant hoses with plain water.

0f0dfb5.gif
  1. Install heater core.
  2. Install blend door assembly to case.
  3. Install 13 plenum chamber top screws.
  4. Connect vacuum line.
  5. Install A/C plenum demister adapter.
  6. Connect heater hose to heater core.
  7. Release all clamps from inlet and outlet heater hoses.
  8. For 5.4L (4V), if quipped, install junction block bracket.
  9. For 5.4L (4V), if quipped, connect starter relay cable.
  10. For 5.4L (4V), if quipped, install junction splash shield.
  11. Install instrument panel.
  12. Refill engine coolant.
I hope this helps you

Nov 12, 2009 | 2000 Ford Expedition

1 Answer

Ford e350 dash controls don't work switch


Well, there is a vacuum canister under the hood that stores vacuum for the heater. Yes, this could be the problem, or it could also be something electrical. By the sounds of your problem i would lean towards a vacuum problem. The vacuum canister will black in color and usually round, it will be on the passenger side, usually by the heater box. there will 2 vacuum hoses on it. Are you hearing any hisses coming from the dash area, or under the hood? That is another sign you have a vacuum leak as well. Hope tihs helps you out....

Oct 23, 2009 | 2002 Ford E350

2 Answers

Heater gets just a little warm


follow the two rubber hoses from the firewall to where they connect to the motor. disconnect them and flush through both of them. whichever one you start with first dont point the empty hose at you becuz the water will be coming out of it.

follow the large hose from the top of the radiator to where it claps to the engine. unclamp it, remove the nipple it was clamped to and there will be the thermostat

Sep 30, 2009 | 1991 Ford Ranger Supercab

1 Answer

Blower working no heat hoses hot relaced heater switch can not here it move any dampers no change . any one have pic of damper assy 2001 sport


If you're not the original owner of the vehicle, check your thermostat first (may be missing) or it may be defective. Good day.

Sep 11, 2009 | Ford Explorer Sport Cars & Trucks

1 Answer

Hearter core hoses


they should bother have one end connected to tubes on the firewall, and the other ends will connect to the intake manifold, and one to the water pump

Feb 22, 2009 | 1987 Ford F 350

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