jaymdee Posted May 2, 2006 Share Posted May 2, 2006 Looking for some help here, especially as the warm weather approaching. A few weeks ago my AC light started blinking. I've searched on the forum and done a few checks and found that: 1. if I pull the electrical connector on the clutch switch, the revs rise (the radiator fan also seems to make more noise) 2. the clutch in the centre of the pulley does not seem to engage (I can't see anything moving), although the outer part of the pulley spins, just not the middle. Now, I assume that this is why the light is blinking (ie a problem), but the diagnostics say 'normal'. I do have a Greddy FMIC which required removing the AC fan (big one in cage). Could this have a buggered anything up? Do I need a new pulley, a new clutch, a whole new compressor? Please help... J Link to comment Share on other sites More sharing options...
Soonto_HAS_soop Posted May 2, 2006 Share Posted May 2, 2006 What did you do to the connector of the AC fan? Did you bridge any terminals or just leave it hanging? Link to comment Share on other sites More sharing options...
Soonto_HAS_soop Posted May 2, 2006 Share Posted May 2, 2006 Also, I have Greddy 4 row piping on mine, and I didn't need to remove the fans. It was tight, but not tight enough to touch. Link to comment Share on other sites More sharing options...
b_have Posted May 2, 2006 Share Posted May 2, 2006 Looking for some help here, especially as the warm weather approaching. A few weeks ago my AC light started blinking. I've searched on the forum and done a few checks and found that: 1. if I pull the electrical connector on the clutch switch, the revs rise (the radiator fan also seems to make more noise) 2. the clutch in the centre of the pulley does not seem to engage (I can't see anything moving), although the outer part of the pulley spins, just not the middle. Now, I assume that this is why the light is blinking (ie a problem), but the diagnostics say 'normal'. I do have a Greddy FMIC which required removing the AC fan (big one in cage). Could this have a buggered anything up? Do I need a new pulley, a new clutch, a whole new compressor? Please help... J Just removed mine in gwo. PM me if you need it. Link to comment Share on other sites More sharing options...
Scooter Posted May 2, 2006 Share Posted May 2, 2006 2. the clutch in the centre of the pulley does not seem to engage (I can't see anything moving), although the outer part of the pulley spins, just not the middle. J The clutch will not engage if the coolant is low (i think you said you couldn't see any in the viewing glass), its a safety thing to protect the compressor. I think you can apply a current to the compressor to chech that the clutch does actually engage properly, but i'd need to check the Toyota manual to see how exactly.......if the clutch will engage ok then i suspect refilling would get it working again, but it could have a leak somewhere too...... Link to comment Share on other sites More sharing options...
jaymdee Posted May 2, 2006 Author Share Posted May 2, 2006 Just removed mine in gwo. PM me if you need it. PM sent Link to comment Share on other sites More sharing options...
jaymdee Posted May 2, 2006 Author Share Posted May 2, 2006 What did you do to the connector of the AC fan? Did you bridge any terminals or just leave it hanging? Not sure mate - will have to check tomorrow (am driving works vehicle tonight). Are you supposed to bridge the terminals? Does it fool the system or complete an electrical circuit then? I'm sure that the FMIC wouldn't have fitted with the fan in place (maybe didn't try hard enough!) J Link to comment Share on other sites More sharing options...
Soonto_HAS_soop Posted May 2, 2006 Share Posted May 2, 2006 I just know that removing certain plugs brings the fans into play, so they must be linked into certain circuits. Maybe clip the fan in place and plug the wires in see if the ac button keeps flashing. Link to comment Share on other sites More sharing options...
jaymdee Posted May 3, 2006 Author Share Posted May 3, 2006 OK, have been out and had another look today, and when the car is running, and the AC button pressed, the clutch engages, tries to turn the compressor, makes a squealing noise and disengages. I assume that the compressor is seized. By disconnecting the pressure switch connector, the clutch does not move. Also I cannot turn the inner part of the pulley by hand - should this spin? (Am seeing a vehicle AC specialists in Bath on Friday) J Link to comment Share on other sites More sharing options...
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