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Author Topic: Aircon  (Read 8243 times)

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atann

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Re: Aircon
« Reply #15 on: 30 June 2016, 23:06:21 »
Quote from: Doctor Gollum on 30 June 2016, 22:55:09
Someone will be along with a link to the relevant maintenance guide,

Meanwhile Please read the manual ;)

Will do :)
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atann

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Re: Aircon
« Reply #16 on: 02 July 2016, 19:01:51 »
Quote from: Doctor Golllum on 30 June 2016, 20:25:45
Probably worth resetting the Climate Panel as well, if its just been re gassed and has been sitting for a while.

Cheers, seems to have made a difference.
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atann

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Re: Aircon
« Reply #17 on: 04 July 2016, 18:26:09 »
Quote from: Migv6 on 30 June 2016, 19:04:38
Bottom right.

Do you been up he bottom right of the engine, with the belt attached to it? If that is the clutch, it is running with the air on and in Eco. Do you have a picture of the location?
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atann

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Re: Aircon
« Reply #18 on: 04 July 2016, 18:45:24 »
Quote from: frostbite on 28 June 2016, 23:17:32
It will if it's not seized solid,  see if you can turn it by hand first if not try and ease it with a few taps on a flat screwdriver.

Although it's an electromagnet so check the wires

If I'm turning the right thing it turns a bit, from what I've read the belt will move all the time. If the AC is engaged the clutch should spin?
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Doctor Gollum

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Re: Aircon
« Reply #19 on: 04 July 2016, 20:05:40 »
Quote from: atann on 04 July 2016, 18:45:24
Quote from: frostbite on 28 June 2016, 23:17:32
It will if it's not seized solid,  see if you can turn it by hand first if not try and ease it with a few taps on a flat screwdriver.

Although it's an electromagnet so check the wires

If I'm turning the right thing it turns a bit, from what I've read the belt will move all the time. If the AC is engaged the clutch should spin?
Engine running, press the Eco button on the climate panel so that eco is shown on the display...

The pulley face with three lumps will be stationary. Then press eco button again... should be a thunk, slight blip in rpm and the pulley face should then be spinning if all is well...

If not causes are, in no particular order, low refrigerant due to age; a leak, usually the condensor; faulty refrigerant pressure switch; faulty hi/lo pressure valves; failed relay/s...

The last item will cause some headaches as it's part of the cooling fan system... the aircon won't engage if the fans don't work correctly... best checked by following the guide if only to rule it out ;)
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atann

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Re: Aircon
« Reply #20 on: 04 July 2016, 20:18:38 »
Quote from: Doctor Gollum on 04 July 2016, 20:05:40
Quote from: atann on 04 July 2016, 18:45:24
Quote from: frostbite on 28 June 2016, 23:17:32
It will if it's not seized solid,  see if you can turn it by hand first if not try and ease it with a few taps on a flat screwdriver.

Although it's an electromagnet so check the wires

If I'm turning the right thing it turns a bit, from what I've read the belt will move all the time. If the AC is engaged the clutch should spin?
Engine running, press the Eco button on the climate panel so that eco is shown on the display...

The pulley face with three lumps will be stationary. Then press eco button again... should be a thunk, slight blip in rpm and the pulley face should then be spinning if all is well...

If not causes are, in no particular order, low refrigerant due to age; a leak, usually the condensor; faulty refrigerant pressure switch; faulty hi/lo pressure valves; failed relay/s...

The last item will cause some headaches as it's part of the cooling fan system... the aircon won't engage if the fans don't work correctly... best checked by following the guide if only to rule it out ;)

Had it regased last week and the system is working, there just seems to be quite a bit of drag on the engine. I will check that tomorrow and update. Thanks for all you recent help.
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Doctor Gollum

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Re: Aircon
« Reply #21 on: 04 July 2016, 20:25:41 »
If it's working, then keep it switched on... report back after a couple of months to see if the apparent drag improves or not...

Meantime, use the S button to compensate... should make it more driveable :y
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atann

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Re: Aircon
« Reply #22 on: 04 July 2016, 21:03:24 »
Quote from: Doctor Gollum on 04 July 2016, 20:25:41
If it's working, then keep it switched on... report back after a couple of months to see if the apparent drag improves or not...

Meantime, use the S button to compensate... should make it more driveable :y

I've already used 4.5 gallons in 82 miles! I'll just see how it goes. Thanks.
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Nick W

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Re: Aircon
« Reply #23 on: 04 July 2016, 21:23:52 »
Quote from: atann on 04 July 2016, 21:03:24
Quote from: Doctor Gollum on 04 July 2016, 20:25:41
If it's working, then keep it switched on... report back after a couple of months to see if the apparent drag improves or not...

Meantime, use the S button to compensate... should make it more driveable :y

I've already used 4.5 gallons in 82 miles! I'll just see how it goes. Thanks.


What did they do, add the entire cylinder's worth of gas? You should use another gallon driving it back to whoever did it and get them to fix it. A/C reputedly takes about 2hp, which on a 2.6 should make no noticeable difference to the way the car drives. Any fuel economy difference is supposed to be no worse than winding down a window.
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atann

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Re: Aircon
« Reply #24 on: 04 July 2016, 22:14:53 »
Quote from: Nick W on 04 July 2016, 21:23:52
Quote from: atann on 04 July 2016, 21:03:24
Quote from: Doctor Gollum on 04 July 2016, 20:25:41
If it's working, then keep it switched on... report back after a couple of months to see if the apparent drag improves or not...

Meantime, use the S button to compensate... should make it more driveable :y

I've already used 4.5 gallons in 82 miles! I'll just see how it goes. Thanks.


What did they do, add the entire cylinder's worth of gas? You should use another gallon driving it back to whoever did it and get them to fix it. A/C reputedly takes about 2hp, which on a 2.6 should make no noticeable difference to the way the car drives. Any fuel economy difference is supposed to be no worse than winding down a window.

ATS Nick. I've used them before for my Rover. It took an hour to charge the system and it is ice cold. I think as suggested it could be a rusty clutch or I'm just noticing the difference after my diesel Rover.
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Doctor Gollum

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Re: Aircon
« Reply #25 on: 04 July 2016, 22:24:48 »
Thinking it through, the clutch is either engaged or not... a dragging clutch would prevent it from disengaging...

As Nick alluded to, it may well be that there was no oil added when the aircon was regassed... in which case the drag will get worse as the compressor seizes. Might actually be best to leave it in Eco mode until it's resolved :-\
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atann

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Re: Aircon
« Reply #26 on: 04 July 2016, 22:53:12 »
Quote from: Doctor Gollum on 04 July 2016, 22:24:48
Thinking it through, the clutch is either engaged or not... a dragging clutch would prevent it from disengaging...

As Nick alluded to, it may well be that there was no oil added when the aircon was regassed... in which case the drag will get worse as the compressor seizes. Might actually be best to leave it in Eco mode until it's resolved :-\

Reading some background on their machines, it should add oil to the regas as needed? If it is low on oil, what do I need to do?
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Doctor Gollum

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Re: Aircon
« Reply #27 on: 04 July 2016, 23:00:52 »
Get it regassed properly... would suggest that not using a budget place, but rather a dedicated specialist would be prudent...
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atann

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Re: Aircon
« Reply #28 on: 05 July 2016, 08:15:36 »
I might have a slight coolant leak, I'm keeping an eye on the level. Could this effect the running of the aircon?
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Doctor Gollum

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Re: Aircon
« Reply #29 on: 05 July 2016, 11:59:33 »
Quote from: atann on 05 July 2016, 08:15:36
I might have a slight coolant leak, I'm keeping an eye on the level. Could this effect the running of the aircon?
Shouldn't do unless it drains the radiator below the fan switches... in which case you've much bigger issues ;)
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