Question about 1986 Toyota Pickup 4WD

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Why is 1986 toyota pick up temperature control slide on heater stuck in center and wont slide to the left to cool

Posted by Anonymous on

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Check the hard wire that moves the heater damper flap, it often gets bent and will get stuck in one position, hot or cold. Commonly sheathed in a blue plastic ~1/8" tube. Both ends can get bent if there is excessive gunk buildup at the ends or on the lever arms (rust, dirt, dried soda, etc.) They also just come loose after time and slide in the pinch clips that hold them in place. Be VERY careful if it is bent and requires straightening. The wire is strong enough for a few bends, but don't over-do it!

Posted on Nov 13, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: Heater/AC control no longer allows change in temperature

You have one of two possible problems.

1) The temperature shaft retention nut is loose behind the knob

2.) The wires to the potentiometer part of the temperature may be broken.

Either one is common to this vehicle. The replacement of the AC controller is about 900 dollars. If the wires are broken, they can easily be reattached to the circuit board via soldering. What you would have to do is remove the control box from the dash, and disassemble it. Once the unit is apart, there are 3 wires from the temp knob to the circuit board that need to be re-soldered. The unit CAN be repaired, as opposed to the expense of replacing it.

Posted on Apr 23, 2009

billie17
  • 84 Answers

SOURCE: i have an 1986 toyota pick-up and my emergency

i had a very similar problem with the emergency break light in my 1994 chevrolet k2500........

do you have a pedal......or a lever?

"""if you have a pedal...this is what you should do....

some pickup s like the c/ks have a emergency break pedal that in order to warn you that the emergecy break is engaged....

the break it self has to be away of a "switch like [clip]"... as soon as you dis-engage the emergency break pedal....the pedal will travel back to its original position and it will be making "contact with this clip'.....

why dont you take a look...."look for it, it should be located at the very front just under the pedal....."

if it isnt making contact...try adjusting it...."i think it is made out of copper...and it should be easy to adjust..."

i hope this helps.............

Posted on May 16, 2009

  • 10 Answers

SOURCE: Removing sliding hatch in the center console.

You can remove the dash fairly easily. There are a few screws (check by the peddles and open the doors and look there for screws). The rest of the dash just literally pops off. Once that is off you should be able to get to the ashtray/inside the dash to locate said item.

Posted on Aug 02, 2010

  • 160 Answers

SOURCE: 1986 toyota camry, Heater Fan will not work

open circuit in blower motor windings need to replace motor assem please rate

Posted on Mar 07, 2011

  • 5252 Answers

SOURCE: my 04 toyota rav 4 when the heater is on blows hot air out the center , right floor and right upper vents and cold air out the left floor vent and upper left vent. heater temp. control works, pos

Check your ducting and hoses going to the left side. Maybe one came loose.
Maybe a door towards left of heater case is not opening. Watch the cables for proper movement when operated. Maybe you can spot the problem. Good luck.

Posted on Nov 24, 2011

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2 Answers

The air is warm coming out of the passenger side vents and cool out of the driver side vents,But the temperature button won't increase the temperature. Seems stuck on Max Cold


it's dead, jim. time for a troubleshoot and repair. These toyotas are notorious for climate control problems. Either your control panel is broken, or the electronic air blend motor is broken, or some plastic in between. 25315509-zejmo41uy3tce5x43qikgza0-5-0.gif

Dec 10, 2014 | 2004 Lexus RX 330

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VAG COM Fault Codes


ERROR CODE (DECIMAL) - CODE ERROR - ERROR CODE (OBD II) -The description ERRORS
00000 0000 O End
00001 0001 braking system control unit
00002 0002 gearbox control unit
00003 0003 control unit
00004 0004 control unit for engine gas-J659
00016 0010 Vers. electric space heater, rear right damper leg / defroster-V195
00017 0011 Vers. electric space heater, rear left footwell flap / defroster-V196
00018 0012 Executive electric cold air flap-V197
00019 0013 Executive damper motor warm air-V198
00020 0014 Executive electric Right flap and defroster vent-V199
00021 0015 Executive electric left flap and defroster vent-V200
00022 0016 Executive electric right hot air flap at the rear of the center console-V201
00023 0017 Executive electric left hot air flap at the rear of the center console-V202
00024 0018 Executive electric right cold air flap at the rear of the center console-V203
00025 0019 Executive electric left cold air flap at the rear of the center console-V204
00026 Executive 001A motor Right flap and defroster vent-V205
00027 Executive 001B motor left flap and defroster vent-V206
00028 001C Executive electric left bezel-V207
00029 001D Executive electric central bezel-V208
00030 Executive 001E motor right bezel-V209
00031 001F defrost key left rear glass-E299
00032 0020 defrost button the right rear window-E300
00033 0021 Control button front left deflector-E301
00034 0022 Control button front left center vent-E302
00035 0023 Control button front right center vent-E303
00036 0024 Control button right front baffle-E304
00037 0025 Key for adjustment of the temperature difference between the space for the legs and the upper part of the cabin-E305
00038 0026 Control button left rear deflector in the center console-E306
00039 0027 Control button right rear deflector in the center console-E307
00040 0028 lock button door opener inside-E318
00041 0029 Executive damper motor uniform air flow-V213
00042 Lamp 002A left hand fire-M43
00043 002B lamp right hand fire-M44
00044 002C Perform test 1 group of actuators
00045 002D Check Now 2 groups of actuators
00046 002E Electric retractable washer jets left headlight-V248
00047 002F motor sliding washer jets right headlight-V249
00048 0030 heat exchanger temperature sensor, left-G306
00049 0031 heat exchanger temperature sensor, right-G307
00050 0032 temperature sensor-G308 Evaporator

Full list of fault codes here
Car Manuals PDF

on Dec 20, 2016 | Cars & Trucks

1 Answer

Heater control knob wont slide from hot to cool


if the lever wont move at all might b a rusted/bent cable sleeve, if it does move but doesn't change the temp then it might be as simple as the cable sleeve hold down clamp came undone

May 14, 2014 | 1986 Toyota Pickup 4WD

1 Answer

The fan blower, even after changing it to cool -giving hot air


i would think the vent direction control isn't moving the heater box vent , stuck in the open position so only hot air from the engine ,strip out the control panel a check that the direction control cable is connected both ends ,

May 07, 2014 | 1999 Toyota Avalon

1 Answer

Blend door actuator failed ,how do i fix it?


The temperature blend door actuator itself is not repairable....it will have to be replaced. Its located under the center dash and is screwed to the heater box. I have included a picture of what it looks like.
2_14_2013_2_40_25_pm.jpg

Feb 14, 2013 | 2001 Ford F150 Styleside SuperCrew

2 Answers

VW fault codes


Hi there:
Are you scanned the PCM and have fault codes noted? Need description fault codes? Send us the specific fault codes that you find there.

Jul 01, 2012 | Volkswagen Cars & Trucks

1 Answer

My 04 toyota rav 4 when the heater is on blows hot air out the center , right floor and right upper vents and cold air out the left floor vent and upper left vent. heater temp. control works, pos


Check your ducting and hoses going to the left side. Maybe one came loose.
Maybe a door towards left of heater case is not opening. Watch the cables for proper movement when operated. Maybe you can spot the problem. Good luck.

Nov 24, 2011 | Toyota Highlander Cars & Trucks

1 Answer

When I turn on the heater or defroster, the left side vents blow cool air while the right side vents blow hot air. what could the problem be?


there is 2 electronic damper controls for driver and passenger heat and cool controls directly in the middle of the car under the dash near the floor. They move the damper for temperature control up and down when you slide the switch. One of them probably got stuck or just died. same thing happened to me but mine was just stuck and I had to free it up. hope this helps

Oct 09, 2010 | 2005 Chevrolet Monte Carlo

1 Answer

Replacing heater core in a 1995 Toyota 4Runner


The heater core is a small heat exchanger located inside the truck, similar to the radiator at the front of the truck. Coolant is circulated from the engine through the heater core and back to the engine. The heater fan blows fresh, outside air through the heater core; the air is heated and sent on to the interior of the truck. For Toyota Pick-ups/Land Cruiser/4Runner 1989-1996 check this reference repair guide...



Heater Core - REMOVAL & INSTALLATION
(see Figure 1)
  1. Drain the cooling system.
  2. Remove the heater unit assembly. Have alot of towels handy for the leakage of coolant that may spill into your interior.
  3. Remove the fasteners securing the core to the unit, remove the plates and clamps. Pull upwards to remove the core from the unit.
To install:
  1. Inspect the core fins for any blockage. Using compressed air, clean them.
  2. Install the core into the unit placing the plates and clamps into position. Tighten the core screws.
  3. Install the heater unit into the vehicle.
  4. Fill the cooling system.
85a96e3.jpg

Fig. 1: Exploded view of the heater unit assembly-1996 4Runner shown





Heater Unit - REMOVAL & INSTALLATION
(see Figure 1)

Have alot of towels handy for the leakage of coolant that may spill into your interior.
  1. Discharge the A/C system (if applicable), using an approved recovery/recycling machine.
  2. Remove the cooling unit (if applicable).
  3. Drain the cooling system.
CAUTION When draining engine coolant, keep in mind that cats and dogs are attracted to ethylene glycol antifreeze and could drink any that is left in an uncovered container or in puddles on the ground. This will prove fatal in sufficient quantity. Always drain coolant into a sealable container. Coolant should be reused unless it is contaminated or is several years old.
  1. Disconnect the hoses to the heater core. Tag each one so that it may be correctly reinstalled.
  2. On some models you will need to remove the glove box assembly. On others, the instrument panel and reinforcement.
  3. At the heater case under the dash, disconnect the ductwork from the case.
  4. Disconnect the heater control cables from the heater case. Lift the spring clip holding the control cable to allow the cable to be manipulated. Don't deform or crimp the cables.
  1. Disconnect the wiring harness to the blower fan.
  2. Remove the three or four bolts holding the heater case to the dash. Because the inlet tubes project through the firewall, the unit will not fall straight down. It will need to be pulled into the passenger compartment and then brought downward.
To install:
  1. Lift the case into position and carefully place the inlet and outlet pipes through the firewall. Install the retaining bolts holding the case to the dash.
  2. Connect the wiring harness to the blower fan.
  3. Connect the control cables to their linkages. Each must be adjusted so that the motion of the dashboard lever causes the correct corresponding motion in the air door. Both the control lever and the door must reach maximum travel at the same time if full function is to be achieved.
    1. Set the dashboard control to FRESH. Lift the adjustment clip and adjust the air inlet cable towards the heater unit until the linkage is at its maximum travel on Pick-Up and 4Runner. For Land Cruiser, adjust the cable away from the case. Release the adjustment clip.
    2. Set the dashboard control to VENT (Pick-Up) or DEF (4Runner and Land Cruiser). Lift the adjustment clip and adjust the air flow control cable towards the heater unit until the linkage is at its maximum travel. Release the adjustment clip.
    3. Set the temperature control to COOL. Lift the adjustment clip and adjust the air mix control damper control cable away from the heater case until the linkage is at its maximum travel on . For Land Cruiser, adjust the cable towards the case.
  4. Connect or reinstall the ductwork. Make certain each tube is firmly and completely fitted on its port. A light spray of glass cleaner serves as a good lubricant; don't use too much.
  5. Install the glove box and/or instrument panel assembly.
  6. Connect the heater hoses. Use new clamps.
  7. Install the cooling unit (if equipped).
  8. Refill the coolant, then charge the A/C system (if equipped).



Hope this help (remember comment and rated this).

Aug 02, 2010 | 1995 Toyota 4Runner

1 Answer

1986 VW Golf heater blows cold air


The heater in your car depends upon a flow of hot coolant going through the heater core in order to get hot air into the car. If the heater core is partially plugged, it will restrict the flow. If you have a head gasket that is putting exhaust into the cooling system, it will eventually get into the heater core. When this happens there is no coolant in the heater core to make the air warm. If the water pump vanes have corroded away the result will be very poor coolant circulation causing the heater to not blow hot air. If your car is equipped with a heater control valve that is not functioning properly, the coolant flow will be restricted. One or a combination of these factors is likely the culprit in your case.
if the car is not overheating, the thermostat is working fine.... replace or flush the heater core multiple times to try and eliminate sediment build-up.

Jan 14, 2009 | 1986 Volkswagen Golf

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