Question about 1992 Chevrolet C1500

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1995 chevy K2500 heater controls only work if recirculation button is pushed in but won't go to defrost.changed control and actuator.

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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

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SOURCE: 1995 lumina heater problem

change the air p0llin filter under the dash,this will solve the problem.adrian

Posted on Mar 01, 2009

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SOURCE: 1994 Chevy K2500 Heater cotrol display

if you think you have trouble codes go to any autozone, or schucks. they will let you use their code reader for free in the parking lot

Posted on Apr 03, 2009

SOURCE: 1995 Chevy k1500 heater problems.

For a 95 Chevy Silverado....I replaced the Blend Door Actuator on the passenger side. Just behind the slide out cup holder. Yo ucan acces easily by removing the ash tray piece and the glove box....Or just the glove box and work like hell to get a socket in a tight place.

There are 2 actuators....one controlling the (Mode and Temp 89018681) and the other the (Air Inlet 89018367). I called the dealer and the parts were 85-125. I got it From TBA Auto (local store) for 39.00. A 20 min job at most.

Posted on May 28, 2009

dttech
  • 4803 Answers

SOURCE: Where is the air door actuator? The air flow will

The Heater/Defrost actuator is located on the right side of the HVAC housing under the right side of the dash. It is vacuum operated.

90% of the time, when the mode doors do not work it is because the vacuum line in the engine compartment is broken or disconnected. The second most likely cause of the problem is a leaking vacuum selector switch located within the control head assembly. (This switch is available by itself, you don't have to replace the entire control head.)

Failure of the actuators themselves is possible, but rare.

Posted on Oct 22, 2009

  • 41 Answers

SOURCE: 2006 gmc sierra , heater actuator

CHECK WITH DEALER, THIS IS A WARRANTY ITEM. BAD FRON FACTORY ON ALL TRIL BLAZERS, ENVOYS, AND DENALIS.

Posted on Dec 18, 2009

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1 Answer

My heater is stuck on the windshield and floor what actuator needs to be changed


Air Distribution
The HVAC control module controls the distribution of air by the use of a defrost actuator and a mode actuator. The modes that may be selected are:
?€¢
Defrost


?€¢
Defog


?€¢
Panel


?€¢
Bi-Level


?€¢
Floor

The mode and defrost actuators are connected to the mode and defrost doors by a cam type linkage system. Depending on the position of the door, air is directed through the HVAC module and distributed through various ducts leading to the outlets in the dash. If the HVAC control module detects a fault with the mode or defrost doors the HVAC control module will try to drive the actuator for a predetermined amount of time, to defrost, which is the defaulted position for the mode and defrost door actuators. When the mode switch is placed in the defrost or defog positions the A/C is commanded on and the recirculation door is moved to the outside air position to help reduce window fogging. A/C is available in all modes and recirculation is only available in the panel and bi-level modes.
Circuit Description The following DTCs are for the HVAC door actuators: ?€¢
B0248 is for the defrost actuator.
?€¢
B0263 is for the mode actuator.
?€¢
B0408 is for the left air temperature actuator.
?€¢
B0418 is for the right air temperature actuator.
The HVAC control module controls the HVAC door actuators to regulate the airflow through the HVAC system. Each actuator consists of a stepper motor, a logic circuit, and a potentiometer. The potentiometer inside the door actuator allows the module to monitor the current position of the actuator drive shaft. The logic circuit inside the actuators receives control signals from the HVAC control module and controls the internal stepper motor. When a door positional change is required, the HVAC control module calculates a commanded door position. The module compares the commanded door position to the actual door position and determines the needed direction of motor rotation. The module applies a signal voltage to the door control circuit that is an input to the internal logic circuit of the door actuator. A 5 volt signal increases the door position. A 0 volt signal decreases the door position. When the commanded door position is equal to the actual door position, the HVAC control module sends a 2.5 volt signal to the door actuator and motor rotation stops. The ignition 3 voltage circuit provides source voltage to the logic circuit. The module provides ground to the actuator logic circuit through the low reference circuit. I would start by having the HVAC control module checked for DTC'S -diagnostic trouble codes First . Then check the system by using scan tool data . 1
Did you perform the HVAC Diagnostic System Check?
Go to Step 2
Go to Diagnostic System Check - HVAC Systems - Manual

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, command the appropriate HVAC door actuator ON and OFF while observing the corresponding Door Actual parameter.
Does the scan tool indicate that the value of the appropriate Door Actual parameter changes?
Go to Diagnostic Aids
Go to Step 3

I would

Apr 02, 2016 | 2003 Chevrolet TrailBlazer

1 Answer

I have a 2011 Chevy Traverse that blows hot air.


Depending if it's manual temp control or auto.............

Here's manual

1 - Air Temperature Sensor - Upper Left
2 - Air Temperature Actuator - Left
3 - Air Temperature Sensor - Lower Right
4 - Air Temperature Actuator - Right
5 - Mode Actuator
6 - Air Temperature Sensor - Upper Right
7 - Blower Motor
8 - Blower Motor Control Module
9 - Evaporator Temperature Sensor
10 - Air Temperature Sensor - Lower Left




26128900-uuob5xk5qpmufdktz2iyu4qm-2-0.gif

Here's auto

1 - Mode Actuator
2 - Recirculation Actuator
3 - Blower Motor
4 - Blower Motor Control Module
5 - Air Temperature Actuator
6 - Evaporator Temperature Sensor



26128900-uuob5xk5qpmufdktz2iyu4qm-2-1.gif

Mar 13, 2016 | 2011 Chevrolet Traverse

1 Answer

Heater and air condioning switch keeps making clicking noise


The noise is one of the actuators that moves the air flow doors into different positions. Common problem. When the noise happens, move the temp. control from cold to warm. If the noise goes away, it is the temp. actuator. Or, press the recirculation button to go from fresh air to recirc. If the noise goes away, it is the recirc. actuator. Or, change the mode from vent to heat. Could be the mode actuator. Usually the temp actuator acts up.

Sep 17, 2013 | 2007 Chevrolet Chevrolet Impala LS

1 Answer

2004 chrysler pacifica heater controls won't change


Under the dash drivers side there are mode motors that control where the air comes from replace bad one or both the bottom one is recirculate. You could take a volt meter and see which one has power when you push button

Dec 23, 2011 | 2004 Chrysler Pacifica

1 Answer

My 1997 lincoln signature towncar has been blowing hot air sometimes when the A/C is on, sometimes cold air. Checked the refrigerant and the gauge said it was full, not to add any, and that the problem...


This motor is called an actuator, this is located on the heater box and is held in by two screws, the problem is that this is a 1997 and may or may not use actuators, some models depending on if you have auto temp control use actuator and some dont, there are some that use vacuum and motors, you will neeed to look at the heater box and see if it has vacuum operated doors or actuator operated doors.the heater box has doors to control the air flow and the air temp and also the circulation.i will look at a diagram and see what i find. also the most common problem would be an actuator if it uses one or if vacuum check for a vacuum leak, in the engine coming off the intake is a vacuum line that runs to the pass/side agianst the firewall then goes inside by the blower motor area, make sure that line is good and has no leaks, then check under the dash for any lines knocked off. okay, if you have the actuator you will need to locate the correct one as there will be a few of them and the easy way for you to do this is to locate one at a time and then you will watch it as you move every control on the heater control, for example first go to hot and watch it then cold then push the recirculate button and then the vent button this is for the air if you want to reuse the inside air or you want the outside air. next is the selector buttons do defrost then vent then floor, you will move them all until you find the one that doesnt work, if you move the temp control and the motor moves then thats the motor but its working now, hope this helps and heres a picture of the actuator.johnjohn2_82.jpg

Mar 18, 2011 | Lincoln Town Car Cars & Trucks

1 Answer

Heat blows out at floor only and ac does not come on even though light Indicates it's on. Has rear defrost and light works..Also has recirculating air button . I'm guessing the whole heating control in...


I would first remove the fuse for the heater control head for one minute and then put in and retry.
The control head could have locked up on you with a volt spike. The rear defrost switch does not go through the same circuit in the heat as the hvac controls. Could be a broken know also.
Could also be mechanical linkage on side of heater box above accelerator pedal may have broken or popped apart. or if electrical motor control may be actuator.

#76-11-01: HVAC CONTROL KNOB SPINS FREELY (REPLACE) - (Oct 9, 1997) 999999995.gif SUBJECT: HVAC CONTROL KNOB SPINS FREELY (REPLACE ALL THREE KNOBS)
MODELS: 1996-97 CHEVROLET AND GMC M/L AND G VANS 1995-97 CHEVROLET AND GMC C/K TRUCKS
CONDITION:
SOME CUSTOMERS MAY REPORT THAT ONE OR MORE HVAC CONTROL KNOBS SPIN FREELY, RESULTING IN LOSS OF FAN, TEMPERATURE AND/OR MODE OPERATION.
CAUSE:
THE KNOB'S PLASTIC INNER SHAFT MAY CRACK WHEN FORCED AGAINST ITS STOP.
CORRECTION:
IF ANY ONE OF THE THREE HVAC CONTROL KNOBS EXHIBITS THIS CONDITION, REPLACE ALL THREE KNOBS WITH NEW P/N 16268157.
PARTS INFORMATION:
P/N DESCRIPTION QTY 16268157 KNOB, HVAC CONTROL 3

Sep 27, 2010 | 1995 GMC Yukon

2 Answers

When I turn my air conditioner on, the air blows out on the dashboard for the windshield and not from the vents. What can I do??


The blend door actuated by solenoids may not be working correctly causing a/c cool air to come out of the windshield vents, rather than the regular front vents.

Defroster Valve Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the air distributor assembly.
  2. Unclip the defroster valve actuator from the air inlet.
  3. Disconnect the defroster valve actuator from the valve.
To Install:
  1. Disconnect the defroster valve actuator from the valve.
  2. Clip the defroster valve actuator from the air inlet.
  3. Install the air distributor assembly.
Heater/Bi-Level Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the air distributor assembly.
  2. Remove the clip and the screws that fasten the 2 halves of the air distributor assembly and separate the air distributor assembly.
  3. Unclip and disconnect the heater/bi-level actuator from the valve.
To Install:
  1. Connect and clip the heater/bi-level actuator to the valve.
  2. Fasten the 2 halves of the air distributor assembly together and torque the fasteners to 13 in-lbs (1.5 Nm).
  3. Install the air distributor assembly.
---
Removal & Installation Recirculation Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the left sound insulator panel.
  2. Disconnect the vacuum hose from the recirculation actuator.
  3. Remove the recirculation actuator from the valve.
To Install:
  1. Connect the recirculation actuator to the valve.
  2. Clip the recirculation actuator to the air inlet.
  3. Connect the vacuum hose to the recirculation actuator.
  4. Install the left sound insulator panel.

Aug 13, 2010 | 1997 Buick LeSabre

2 Answers

I have a 91 chevy truck that has started blowing


try to check the fluid level or change thermostat

Feb 25, 2010 | 1991 Chevrolet C1500

1 Answer

Where is the air door actuator? The air flow will not switch from the floor to the defrost. 1995 Chevy Beretta Z26 3.1


The Heater/Defrost actuator is located on the right side of the HVAC housing under the right side of the dash. It is vacuum operated.

90% of the time, when the mode doors do not work it is because the vacuum line in the engine compartment is broken or disconnected. The second most likely cause of the problem is a leaking vacuum selector switch located within the control head assembly. (This switch is available by itself, you don't have to replace the entire control head.)

Failure of the actuators themselves is possible, but rare.

Oct 22, 2009 | 1996 Chevrolet Cavalier

1 Answer

2007 F-150 Supercrew Lariat Cabin Air Filter


According to the shop manual you do not have one.
Air Distribution and Filtering adobe.gif Printable View (79 KB) NOTE: The air distribution system of this vehicle cannot be equipped with a cabin air filter.
There are 2 sources of air available to the air distribution system:
  • Outside air
  • Recirculated air
Recirculated air is automatically used when the electronic manual temperature control mode selector is set in the MAX A/C or OFF modes and can be selected in any mode other than MAX A/C, OFF or DEFROST by selecting the RECIRC button. Recirculated air is available in all modes except DEFROST. If the vehicle is equipped with an electronic automatic temperature control (EATC) system, recirculated air is used in OFF and is available in all modes except DEFROST. RECIRC mode is a timed function in FLOOR and FLOOR/DEFROST.
Air distribution within the vehicle is determined by the electronic manual temperature control (EMTC) function selector switch position, or is controlled by the EATC system in the AUTOMATIC mode. The air distribution mode on EATC vehicles may be overridden by the driver if desired. Air distribution doors are used to direct airflow within the heater core and evaporator core housing and the plenum chamber. An electronic mode door actuator is used to position these air distribution doors. One air inlet mode door is used to switch between FRESH or RECIRC air inlet. An electric actuator is used to position the air inlet mode door.
Air enters the passenger compartment from the:
  • instrument panel A/C registers.
  • heater outlet floor ducts.
  • windshield defroster duct.
  • side window demisters.
  • center flow-through console (if equipped).
Passenger compartment air is exhausted from the vehicle through open windows or body air vents.

Mar 08, 2009 | 2007 Ford F-150 Harley Davidson

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