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Climte Control Makes *knock Knock Knock* Noise

hayden49

By hayden49,
in General Maintenance

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hayden49 Rising Star

hayden49

Posted
Posted

As the title says, yesterday morning my climate control in my r33 series 2 makes a *knock knock knock* noise when ever i turn the car on or change the mode the climate control is running in, i.e windows, to drives legs.

It sounds to me like plastic gears or something is clicking.

When i turn the climte control unit off an on again it usualy goes away, sometimes it clicks for 5 seconds, other times 20 seconds.

Is this a common problem?

Cheers

mad082 Grand Master

mad082

Posted
Posted

sounds like something is making the gears sticky, or blocking it, or the gears are slightly stripped. the clicking would be as it tries to change and it is just skipping the gears as it can't move them.

hayden49 Rising Star

hayden49

Posted
  • Author
Posted

I ran the cable to my boost gauge down the center air vent, that was about 4 months ago, and its been fine since then, now all of a sudden its going it, could the cable have fallen into the gears or something?

Bleh i have to take the dash facia off on the weekend to install a din pocket and remove the hicas bulb so i guess ill try figure it out then.

cheers

hayden49 Rising Star

hayden49

Posted
  • Author
Posted

It appears to come fron the center vent, where the boost gauge cable runs from, bleh just another thing to try and fix.

Hahaha if ONE single week went by when i didnt have to try cure a random noise in my skyline id die of shock.

cheers

RANDY Veteran

RANDY

Posted
Posted

If you do a quick search, it's been covered at least 8 times before that I can remember.

It's more than likely some sprocket thingy on the heaterbox. Mine does it, heaps of R33's do it. Sucks eh? =-]

Kennedy Mentor

Kennedy

Posted
Posted

You have to take the entire dash out to fix it. I myself could not be bothered doing that.

http://www.skylinesaustralia.com/forums/in...showtopic=31550

http://www.skylinesaustralia.com/forums/in...showtopic=32611

hayden49 Rising Star

hayden49

Posted
  • Author
Posted

ahhh FFS!

I was hoping i would just be able to take the dash facia off to get to the problem, removing the ENTIRE dash is waaay to much effort, ill just turn the music up loud when i turn the car on.

Cheers

frozenwaffles Mentor

frozenwaffles

Posted
Posted

bro, you need to replace the stepper motor in the aircon assembly...might be costly not really sure. my r33 made that noise before i bought it and said 'fix it!' asnd that what he said he replaced...

hayden49 Rising Star

hayden49

Posted
  • Author
Posted

When i was looking under the dash today, i noticed down the bottom of the air vent a little black electric box which looked like something that could be causing the clicking noise.

If it is indeed that box thats causing trouble then it wont be hard to remove as is, ill try to get a pic of it.

cheers

OZ_Pomy Rising Star

OZ_Pomy

Posted
Posted
When i was looking under the dash today, i noticed down the bottom of the air vent a little black electric box which looked like something that could be causing the clicking noise.

If it is indeed that box thats causing trouble then it wont be hard to remove as is, ill try to get a pic of it.

cheers

mate i had this exact problem its a little arm joined onto some cogs (gears) what ever u want to call them after time the gears wear out but the arm still trys to move this causes the clicking noise it is big job to do specially for such a small part there is no way at all i could get this part out with out taking the dash out. I probably wouldnt have bothered fixing it but afew weeks later my heater core shit itself and i had coolant pissing inside the car so had to remove the dash for that anyway :laugh:

  • 2 months later...
sl33py Mentor

sl33py

Posted
Posted

I just rang up a spare parts place to get a replacement motor and they told me there are TWO stepper motors for the AC! A higher one and a lower one. So..... seeing as noone here as differentiated between them (let alone mention there are two), I had to spring for both, cos I'm getting my stereo guy to fix it, and I don't to pay for him to replace one, only to find it's the other and that he has to go in again. One motor has 8 teeth and the other has 10.. or something like that. Both cost me $125.

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