Author Topic: A\C compressor  (Read 1868 times)

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Offline dummer

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A\C compressor
« on: January 18, 2021, 03:52:08 pm »
The low side is just under 50 and I suspect the compressor is out.

I believe there's only law on buying/recharging refrigerant?
Do I just go to an a\c shop to ask them to suck out all the refrigerant(just to save the earth) and replace the pump (and maybe the dryer as well??)?

Thanks

Offline 80 Vert

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Re: A\C compressor
« Reply #1 on: January 18, 2021, 05:38:12 pm »
Depending on km it's most likely the valve in the compressor.
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Offline dummer

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Re: A\C compressor
« Reply #2 on: January 19, 2021, 04:12:10 pm »
2005 13x,xxx km

I don't think they only sell the valve but the whole compressor?

Offline 80 Vert

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Re: A\C compressor
« Reply #3 on: January 19, 2021, 04:25:38 pm »
Valves are only available aftermarket, not genuine.
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration

Offline schattenblau

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Re: A\C compressor
« Reply #4 on: January 19, 2021, 06:57:22 pm »
Everything crapped out when my AC died,  2005 GTI  57km

Compressor, TX valve, high pressure switch, expansion tank, various seals etc

$$$$


Offline Worms

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Re: A\C compressor
« Reply #5 on: January 20, 2021, 07:42:50 am »
https://www.rkxtech.com/collections/air-conditioning

Both our 2006 Tourans required the valves doing; My NZ New one at 115K, wifes import at 170K. no other problems since fitting the RKX valves. I'm sure they're available other places too.

VW only sell the compressor, and have ripped people for plenty of them too! The valve in the most common failure in the MK5 platform.

Offline Pristle

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Re: A\C compressor
« Reply #6 on: January 20, 2021, 10:20:10 am »
Not just the MkV. Different valve in the Mk3 (harder to get to), but common point of failure in them too.

Offline dummer

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Re: A\C compressor
« Reply #7 on: January 20, 2021, 12:13:56 pm »
Everything crapped out when my AC died,  2005 GTI  57km

Compressor, TX valve, high pressure switch, expansion tank, various seals etc

$$$$
How did you pin-point the problem individually?

https://www.rkxtech.com/collections/air-conditioning

Both our 2006 Tourans required the valves doing; My NZ New one at 115K, wifes import at 170K. no other problems since fitting the RKX valves. I'm sure they're available other places too.

VW only sell the compressor, and have ripped people for plenty of them too! The valve in the most common failure in the MK5 platform.
Wow. Thanks for the link, I'll have a look over the weekend from the underside... Hopefully it's easy to identify the correct part.

Offline 80 Vert

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Re: A\C compressor
« Reply #8 on: January 20, 2021, 01:04:06 pm »
In a lot of cases AC is a bit of a mystery meaning lots of people get sold things they do not need.
Did another recently, degas, new valve and re gas. ack to cold AC.
Look at the label on the compressor for the model number.
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration

Offline RS ZWEI

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Re: A\C compressor
« Reply #9 on: January 20, 2021, 02:35:17 pm »
In a lot of cases AC is a bit of a mystery meaning lots of people get sold things they do not need.
Did another recently, degas, new valve and re gas. ack to cold AC.
Look at the label on the compressor for the model number.

Do you do the degas and regas yourself John?
Are there any laws in NZ about a DIYer doing it?
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2009 Renault Megane 230 R26 (Written off by a motorbike)
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Offline 80 Vert

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Re: A\C compressor
« Reply #10 on: January 20, 2021, 03:28:08 pm »
No, I have a AC guy I trust not to rip me off. He does the de gas / re gas for me.
Don't believe there is anyone stopping you if you have the equipment.
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration

Offline schattenblau

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Re: A\C compressor
« Reply #11 on: January 20, 2021, 07:33:59 pm »
How did you pin-point the problem individually?


Dealer sorted it     :laugh:

Compressor totally shot, impellor was wobbling around in the housing like a drunk on Friday night.

After recharging the system still no cool breeze, found the high pressure switch had also crap itself.

Offline mark2 golf

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Re: A\C compressor
« Reply #12 on: January 21, 2021, 09:13:37 am »
Do you do the degas and regas yourself John?
Are there any laws in NZ about a DIYer doing it?

There are laws on the gas. You are suppose to have a handling certificate to buy refrigerant. Yet they sell those stupid top up bottles at repco to people who don't know what they are doing. Its quite a complex system that can be wrecked by over charging so i wouldn't recommend people diy it.
Plus you need about $4000 worth of gear just to degas, vac down and recharge so that will stop most people
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Offline dummer

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Re: A\C compressor
« Reply #13 on: January 25, 2021, 03:00:48 pm »
https://www.rkxtech.com/collections/air-conditioning

Both our 2006 Tourans required the valves doing; My NZ New one at 115K, wifes import at 170K. no other problems since fitting the RKX valves. I'm sure they're available other places too.

VW only sell the compressor, and have ripped people for plenty of them too! The valve in the most common failure in the MK5 platform.

Ordered the valve for the Zexel pump. Hopefully it's a easy change (broken the connector release tab over the weekend :-[)

Offline 80 Vert

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Re: A\C compressor
« Reply #14 on: January 25, 2021, 04:06:05 pm »
Don't remove anything until the system is De gassed.
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration

Offline RS ZWEI

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Re: A\C compressor
« Reply #15 on: January 28, 2021, 04:30:04 pm »
Ordered the valve for the Zexel pump. Hopefully it's a easy change (broken the connector release tab over the weekend :-[)

Ive just had it done by professionals. Cost around $700, degas, regas parts and fitting.
1980 VW Golf GTI Track Car
1995 Audi RS2
2003 Mini Cooper S
2006 Skoda Octavia vRS Combi
2009 Renault Megane 230 R26 (Written off by a motorbike)
2013 Renault Megane RS265 Redbull RB8

Offline 80 Vert

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Re: A\C compressor
« Reply #16 on: January 28, 2021, 06:20:07 pm »
Holy moly that seems like a lot,  what did they replace?
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration

Offline RS ZWEI

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Re: A\C compressor
« Reply #17 on: January 29, 2021, 10:03:08 pm »
Holy moly that seems like a lot,  what did they replace?

The valve, degas and regas.
1980 VW Golf GTI Track Car
1995 Audi RS2
2003 Mini Cooper S
2006 Skoda Octavia vRS Combi
2009 Renault Megane 230 R26 (Written off by a motorbike)
2013 Renault Megane RS265 Redbull RB8

Offline 80 Vert

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Re: A\C compressor
« Reply #18 on: January 30, 2021, 08:36:02 am »
Wow, yeah that's a lot.
2010 T5 Transporter TDI  Tuned by Superior Tuning NZ
2003 Jetta Coupe soon to be R36TT
1991 Golf GTI 2.0 TSI swapped
1963 Type 34 Karmann Ghia, turbo 2.0
1990 Porsche 964 911 Carrera 4
1980 1303 Beetle vert, under restoration