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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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airconViews : 339 Replies : 3Users Viewing This Thread : |
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May 21st, 2024, 16:04 | #1 |
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aircon
re 2003 volvo 1,8 s40. went and got the aircon re-gassed and the good news was there were no system leaks. bad news was the pump wasnt working. mechanic suggested as well as replacement pump, could be a wiring issue?
please does anyone have any advice apart from open the windows!! thanks i'm wellskint |
May 21st, 2024, 16:20 | #2 |
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Last Online: Yesterday 21:53
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If you have had the system re-gassed there should be sufficient pressure to operate the pressure switch that activates the electromagnetic clutch to engage the compressor.
Does the clutch engage the compressor when the aircon is switched on? There should be a small clunk/tick sound when it engages. If the clutch is not engaging it could be the gap is too wide and needs a shim taking out to adjust the gap. With the engine running and the aircon switched on the clutch gap can be tested by gently pressing on the centre of the clutch with a wooden broom handle. If it is the clutch gap, the clutch should engage and the aircon work, if not, there is some other fault. Obviously you use the broom handle technique at your own risk.
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2001 V40 2.0lt Sport Lux - Daily Driver. 178k miles. 2003 C70 2.4 GT Convertible - Garage Queen. 67k miles. http://www.neptuno6benagil.com |
May 21st, 2024, 16:27 | #3 |
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thanks ITV very helpful reply as usual. i know nothing about aircon motors - whereabouts is the clutch on the unit please?
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May 21st, 2024, 17:55 | #4 | |
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Quote:
When the aircon is off the pulley is free running without turning the compressor. When the aircon is switched on the clutch within the pulley is pulled towards the compressor and drive is engaged to turn the compressor. If you look at the pulley when the engine is off you will see that the centre can be pressed towards the compressor - there is only a slight movement, but sufficient to engage or disengage depending on whether the aircon is off or on.
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2001 V40 2.0lt Sport Lux - Daily Driver. 178k miles. 2003 C70 2.4 GT Convertible - Garage Queen. 67k miles. http://www.neptuno6benagil.com |
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