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Another Aircon Problem Thread :p

Rekin

By Rekin,
in General Maintenance

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Rekin Grand Master

Rekin

Posted
Posted

Hey,

Have a little issue with my AC in my r32 gtst and hope someone has an answer.

When i got my ac compressor changed+regassed, the mechanic said that my blend door servo motor is dead. Therefore i cannot control the temps of the ac. He set it manually to cold so I just get cold air coming out regardless of Temp on climate control.

I went into AC diagnostic mode, and went through all the steps and no error came up for a dead blend door motor. ( I think the number is 26 ).

So what exactly is my problem? If it was a dead blend door motor it should have registered on the diag test mode on the climate control...

Cheers

Patrick

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https://www.sau.com.au/forums/topic/162421-another-aircon-problem-thread-p/
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700HP-GTR33 Mentor

700HP-GTR33

Posted
Posted
Was good during hot says as its stuck on cold but now I cant set it to Hot on the cold days! :)

So the problem is you can't get it to turn off.....

Ask the guy who put the new compressor in to show you where you can turn the air-con off from"manually",,,seeing he

set it on cold all the time...you can set it back during summer.

If he says you can't..he was lieing to you from the start and does not know anything about climate control.

Might then have to try some one who can fix your problem from the start.......how do you know

he correctly diagnosed the problem at the start and that he changed your compressor for no reason at all.

You might have a blown main fuse or something like that...lol

Rekin Grand Master

Rekin

Posted
  • Author
Posted

He said that he set the hot/cold flap to Cold setting manually. The climate control controls a motor (blend door servo motor) which moves the flap from cold to hot. He said that the motor is dead and that i should find a 2nd hand one to replace it with, in order to have control of temperatures again.

The funny part is that the AC Diag should come up with error 26-blend door motor, but it doesnt...

R324DR Proficient

R324DR

Posted
Posted

I have the same issue with my r32. No hot air comes from the vents what so ever (great in summer, but its starting to get annoying). Running the A/c climate control diag says that everything is working.Anyone know what might be causing this. Is there anything i can do to diagnose whats going on.

  • 9 months later...
limpus Mentor

limpus

Posted
Posted (edited)

Common problem...and AC Diagnostic mode would not necessarily give an error for it...mine didn't because it was a failure in a mechanical component...just go to a wrecker and change it...in the time it took you to write this thread and wait for replies you could have gotten your aircon working...

Edited by limpus
Eug Grand Master

Eug

Posted
Posted
Common problem...and AC Diagnostic mode would not necessarily give an error for it...mine didn't because it was a failure in a mechanical component...just go to a wrecker and change it...in the time it took you to write this thread and wait for replies you could have gotten your aircon working...

you must have read over the part where i said i wasn't keen on a crappy 2nd hand replacement. my dash is apart already, i know what's involved in tearing the thing apart and i DO NOT want to be doing it again a year later when the 'wreckers part' fails.

  • 2 weeks later...
Zman Proficient

Zman

Posted
Posted

my air con has been playing up for ages. all i get is hot air

the compressor and gas has been chcked and they're fine.

how do i perform an air con diagnosis?

The only thing i can see wrong is the display is out of whack when i turn it on during a hot day. but the functions/fan settings still work when i press any of the buttons.

raps86 Rising Star

raps86

Posted
Posted

the easiest way 2 check the a/c system is if u hear the ac compressor in then it has gas in as the compressor wont cut in without pressure in the lines. if it wont vary between hot and cold. stick ur head under the dash and get a friend 2 vary the temp between hot and cold and u should c sum levers move on the side of the heater box. if u cant c anymove then there is a problem in that part. hope that helps

Jmaac Proficient

Jmaac

Posted
Posted

Most likely not the motor itself. Its actually mechanical as described above and its very common. This is the same part that makes that clicking sound on startup on other skylines. Gearteeth are just probably completely broken off rather than just a few.

Have fun pulling out the dash

If it has gas in it will get cold (actually the vaccum makes it cold nehow). To check compressor&compressor clutch operation start car, turn on ac and see if RPM increases

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