A/c compressor life?

Francophile · 22nd February 2023, 17:15

What is the likely mileage life of the compressor? Mine has developed a whine which matches the engine revs, but only when the a/c is engaged. The current mileage is 91k and I'm sure it is the original item.

Could it be as simple as a re-gas?
Thanks for thoughts,
Derek.

Popcorn · 22nd February 2023, 19:24

Check the condition of the belt ,it may be when the pump loads it up it's making a noise, when the ac is off the pulley is free wheeling, that's where i would start.

Francophile · 24th February 2023, 12:13

Thanks Popcorn for devastating logic. I 'm not thinking analytically. Belt check it shall be.
Derek.

SCP440 · 24th February 2023, 17:23

Could also be the Compressor Clutch, I have had to replace a couple over the years on various cars. Some are adjustable with shims but it is often as easy to fit a new one. There is also a bearing in there that can be replaced on some cars as a seperate item.

Francophile · 25th February 2023, 15:21

Thanks, SCP440, for another useful insight. Deeper investigation and analysis is required. I can look and listen, but heavy work is now beyond my capability. Hence, it helps to have an idea of the problem and its solution to present to the garage.
Derek.

22nd February 2023, 17:15	#1
Francophile Avid contributor Rover 75 2.0 V6 Connoisseur SE Saloon Join Date: Aug 2010 Location: Hassocks, West Sussex Posts: 194 Thanks: 51 Thanked 24 Times in 15 Posts	A/c compressor life? What is the likely mileage life of the compressor? Mine has developed a whine which matches the engine revs, but only when the a/c is engaged. The current mileage is 91k and I'm sure it is the original item. Could it be as simple as a re-gas? Thanks for thoughts, Derek.

22nd February 2023, 19:24	#2
Popcorn Loves to post 55 cdti tourer slush box executive grill Join Date: Feb 2022 Location: Sheffield Posts: 388 Thanks: 40 Thanked 85 Times in 72 Posts	Check the condition of the belt ,it may be when the pump loads it up it's making a noise, when the ac is off the pulley is free wheeling, that's where i would start.

24th February 2023, 12:13	#3
Francophile Avid contributor Rover 75 2.0 V6 Connoisseur SE Saloon Join Date: Aug 2010 Location: Hassocks, West Sussex Posts: 194 Thanks: 51 Thanked 24 Times in 15 Posts	Thanks Popcorn for devastating logic. I 'm not thinking analytically. Belt check it shall be. Derek.

24th February 2023, 17:23	#4
SCP440 I really should get out more....... MG ZT-T 260 Join Date: Feb 2016 Location: Witney Posts: 2,504 Thanks: 6 Thanked 910 Times in 571 Posts	Could also be the Compressor Clutch, I have had to replace a couple over the years on various cars. Some are adjustable with shims but it is often as easy to fit a new one. There is also a bearing in there that can be replaced on some cars as a seperate item.

25th February 2023, 15:21	#5
Francophile Avid contributor Rover 75 2.0 V6 Connoisseur SE Saloon Join Date: Aug 2010 Location: Hassocks, West Sussex Posts: 194 Thanks: 51 Thanked 24 Times in 15 Posts	Thanks, SCP440, for another useful insight. Deeper investigation and analysis is required. I can look and listen, but heavy work is now beyond my capability. Hence, it helps to have an idea of the problem and its solution to present to the garage. Derek.