Question about 1998 Chevrolet C1500

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What part makes a clicking noise on the blower

What part makes a clicking noise located next to the blower motor?

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Most GM vehicles have little flaps or doors to redirect the air near the blower motor. If that gets out of place or falls down it will rub on the squirrel cage of the blower fan. Some older cars have insulation in that area that might come loose and rub on the squirrel cage. The insulation sometimes is covered with a stiff paper. Cutting away the stiff paper with allow more clearance.

Posted on Jul 14, 2010

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Pontiac g6 2006 heater/ac fan doesnt work on #3 speed setting, fan made squealing bearing noise for a while but quit, also inside/outsied air vent switch vent makes clicking noise when set to outside air


you will need to replace the blower motor as it has probably siezed going by the squealing noise you say you heard.i`m assuming this has more than 3 speeds for the fan motor.if it wasn`t working on one speed then you probably have a bad blower motor resistor that will need to be replaced as well so you will have all fan speeds.this is located in the air duct housing near the blower motor and will have about 6 wires on it.some of these on under the hood on the firewall anywhere from the passenger side to the center of the firewall.not sure about the vent switch.if the vent switch is moving the doors and you hear a clicking then you may have a vent door problem that the door pivot is worn.

Nov 01, 2013 | 2006 Pontiac G6

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I HAVE A 2008 CHEVY IMPALA AND I HAVE A TICKING NOSE IN MY DASH ON THE PASSENGER SIDE CLOSE TOO THE AIRBAGS. AND HAVE NO IDEA WHAT THIS IS. PLEASE HELP


Its must be your a/c recirculation door motor its located near the right side of the glove box. open your glove box next time it clicks. its in a tough spot to remove but it can be done. you can buy them aftermarket for about $25.00

May 02, 2011 | 2008 Chevrolet Impala

1 Answer

I am having trouble with my ac and heat when i turn it on nothing comes out then when i turn it on high it makes a loud click under the passanger side glove box. it is in a big black box to the left of...


Noise from Blower Motor
  1. Inspect the air inlet grille for debris. If the grille has debris, go to step 7. If the grille is clear, go to the next step.
  2. Sit inside the vehicle, close the vehicle doors and windows, turn ON the ignition, with the engine OFF, and cycle the blower motor through all of the speeds in order to determine where and when the noise occurs. If there was noise during the blower operation, go to the next step. If there is no noise, go to step 10.
  3. Inspect for excessive vibration at each blower motor speed by feeling the blower case. If there is vibration, go to step 6. If no vibration is present, go to the next step.
  4. Listen to the blower motor at each blower speed. Is the blower motor making a squeaking or chirping noise? If yes, go to step 8. If no noise exists, go to step 10.
  5. Remove the blower motor, and inspect the blower motor and impeller for deposits of foreign material. If there is debris, go to step 7. If there is no debris, go to the next step.
  6. Inspect the blower motor for cracked blades, loose impeller retainer, or improper impeller alignment. If any of these conditions exist, go to step 8. If none of these exist, go to step 9.
  7. Remove the foreign material. When complete, go to the next step.
  8. Replace the blower motor. When the repair is complete, go to step 10.
  9. Install the blower motor. When the repair is complete, go to step 10.
  10. Operate the system in order to verify the repair. If the condition has been corrected, the repair is complete. If noise still exists, repeat the entire procedure.
Noise from A/C System NOTE: Noise from the A/C system may be heard as squealing, chirping or moaning noises, or as a vibration noise.
  1. Start the engine and ensure the A/C system is ON. If any noise is heard when the system engages, go to the next step. If no noises are heard at this point, go to step 8.
  2. With the engine OFF, inspect the drive belt for excessive wear. If the belt is excessively worn, go to step 17. If the belt is not worn, go to the next step.
  3. Inspect the drive belt tension. If the tension is correct, go to the next step. If the tension is not correct, go to step 18.
  4. Inspect the drive belt for excessive oil coverage. If the belt is covered with oil, go to step 16. If there is no oil present, go to the next step.
  5. Start the engine, ensure the A/C system is ON, and visually inspect the compressor and the clutch. If the compressor appears locked up, go to step 23. If the compressor and clutch appear okay, go to the next step.
  6. If the compressor clutch is slipping, go to step 22. If the clutch is not slipping, go to the next step.
  7. Using a stethoscope, listen to the A/C compressor for any abnormal noise. If noise appears to be caused by the compressor, go to step 14. If the compressor is not the cause of the noise, go to step 9.
  8. Does a moaning noise exist when the A/C clutch is engaged? If yes, go to the next step. If no, go the step 11.
  9. Listen to the A/C compressor components and mounting for noise concerns using a stethoscope. Are any of these components loose, damaged or excessively worn? If yes, go to step 19. If no, go to the next step.
  10. Idle the engine and engage the A/C compressor clutch. Using a stethoscope, move around the entire refrigerant plumbing system. Listening for any abnormal noises caused by a component of the A/C system touching another component. Are any of the A/C components grounding out and causing a vibration noise? If yes, go to step 21. If no, go to step 12.
  11. Does a vibration or rattle noise exist when the A/C clutch is engaged? If yes, go to the next step. If no, go to step 13.
  12. Does the noise stop when the A/C clutch is disengaged? If yes, go to step 14. If no, go to step 24.
  13. Idle the engine in PARK with the A/C compressor clutch engaged. Using a stethoscope, move around the entire A/C system testing for any abnormal noises caused by a component. Do any of the A/C components cause an abnormal noise? If yes, go to step 20. If no, go to step 24.
  14. Verify that the A/C system is properly charged. If it is properly charged, go to step 25. If not properly charged, go to the next step.
  15. Recharge the A/C system to specification. Is the abnormal compressor noise still present? If yes, go to step 23. If no, go to step 25.
  16. Repair the oil leak. When the repair is complete, go to step 25.
  17. Replace the drive belt. When the repair is complete, go to step 25.
  18. Replace the drive belt tensioner. When the repair is complete, go to step 25.
  19. Repair or replace the A/C compressor mounting component. When the repair is complete, go to step 25.
  20. Repair or replace the component that is causing the moaning concern as needed. When the repair is complete, go to step 25.
  21. Correctly route or insulate the A/C component. When the repair is complete, go to step 25.
  22. Replace the A/C compressor clutch. When the repair is complete, go to step 25.
  23. Replace the A/C compressor. When the repair is complete, go to step 25.
  24. The concern may be caused by an engine related component. If the concern is found and repaired, go to step 25.
  25. Operate the system in order to verify the repair. If the system is okay, the repair is complete. If not, repeat the entire procedure.
Noise from the HVAC Module
  1. Start the engine. Cycle through all blower speeds, A/C mode settings and temperature control settings. Determine the type of noise, whether it is a scraping, popping, ticking, clicking, chirping or groaning, or an air rush or whistle. Is a scrape or pop noise evident when selecting modes or temperature settings? If yes, go to step 5. If no, go to the next step.
  2. Is a tick/click, chirping, groaning or scraping noise present, but decreases as blower motor speed is decreased? If yes, go to step 5. If no, go to the next step.
  3. Is an air rush/whistle noise evident in all modes but not all temperature settings? If yes, go to step 5. If no, go to the next step.
  4. Is an air rush/whistle noise evident only in defrost or floor mode? If yes, go to step 5. If no, examine for other sounds, repeat step 1.
  5. Remove components as needed to access the HVAC module. When complete, go to the next step.
  6. Inspect the airflow doors for proper operation and the ducts for obstructions or foreign materials. Were any of these conditions found? If yes, go to step 9. If no, go to the next step.
  7. Inspect the mode and temperature doors and seals for warping or cracking. Are the doors in normal condition? If yes, go to step 9. If no, go to the next step.
  8. Replace the appropriate door and/or seals. When the repair is complete, go to step 10.
  9. Remove any obstructions or foreign material found. When the repair is complete, go to step 10.
  10. Install the components removed in step 5. When complete, go to the next step.
  11. Operate the system to verify the repair. If system operates without noise, the repair is complete. If noise still exists, repeat the entire procedure.
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Aug 19, 2010 | 2002 Mercury Grand Marquis

1 Answer

My heater fan was making noise but was still blowing the hot air out. Now it makes no noise but blows no air out. I assume the fan/blower motor is bad. How do I replace it?


your blower mototr stopped turning , the noise you heard was one of the cage weights came loose and put the blower cage off ballance, first you need to locate the blower fan and check to make sure it has 12 volts, if so then you need to use a jumper wire to ground the other wire going into the blower motor, if this turns the blower motor on then you have a blower motor resister out and need to replace it.

Feb 27, 2010 | 1999 Pontiac Bonneville

1 Answer

My heater on my 2000 toyota tacoma only works on high and makes a loud noise then. The hot/cold dial also is hard to turn and makes a loud popping noise.


The switch or resistors at the blower motor.( resistors are usually found next to blower motor)
Ther relay is the last place you check for resistance. However, before doing any kind of electrical testing or repair POINT THE WHEELS STRAIGHT AHEAD. DISCONNECT THE NEGATIVE BATTERY TERMINAL. WAITE AT LEAST 2 MINUTES FOR BACK UP POWER SUPPLY TO BE DEPLEATED..THEN DISCONNECT THE YELLOWAIR BAG CONNECTOR LOCATED UNDER THE STEERING COLUMN NEAR THECOMBO SWITCH AND BEHIND THE GLOVE BOX FOR THE PASSENGER SIDE AIR BAG. BE CAREFUL AND GOOD LUCK

Feb 21, 2010 | 1983 Toyota Camry

1 Answer

1997 Dodge Grand Caravan heater blower makes clicking noise


take out the blower motor
if the bearing is ok

use a vacuum cleaner to suck out the debris in the piping

Apr 28, 2017 | 1997 Dodge Grand Caravan

2 Answers

A/c blower motor for 2003 corvette


Yea leafs and other debris can get in and cause the noise. Remove the blower, thoroughly clean the fins and reinstall. This should take care of the noise.

May 15, 2009 | 2003 Chevrolet Corvette

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