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22nd October 2015, 16:31 | #1 |
Gets stuck in
NOW a Club Tourer was 1999 - 75 2.0Ltr Connoisseur SE petrol Saloon Join Date: Jan 2012
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Air-con Compressor change
As normal, I started then read the book!
I have a new compressor to fit following a re-gas only to find that the refrigerant was not circulating. Sooo .. As I couldn't see a way in from under, I bit the bullet and removed the front, radiator and the ancillaries only to find that I still cannot get to the compressor. NOW I read the book..... It looks like I have to remove the oil cooler from the sump to get to all the mounting bolts, so this raises a few questions as to progressing as I am using the neighbouring workshops four poster lift, and the car is "dead" on it! Questions 1: Will removing the oil cooler involved new gaskets etc. between the sump and the cooler? 2: Are new 'O' rings absolutely, 100% necessary? I don't have any yet! 3: The belt tension appears to be only released from the tensioner, is that straight forward? 3: Have I missed anything? As always all you knowledgeable chaps are way ahead of me so if you can help this silly old fool I would appreciate it - very much indeed. Yes I can grovel .... 2ltr KV6 PPD by the way.
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Chuck Nth. Dorset. UK Membership #1896 Don't take life so seriously.... it is not permanent! |
22nd October 2015, 18:22 | #2 | ||||
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Chuck; before you go any further, has an air conditioning professional attached a gauge set and confirmed that the compressor is responsible? Lack of cooling is often due to disintegrating condenser fins. Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
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22nd October 2015, 18:30 | #3 |
Gets stuck in
NOW a Club Tourer was 1999 - 75 2.0Ltr Connoisseur SE petrol Saloon Join Date: Jan 2012
Location: Iwerne Minster, Dorset
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Everything was tested to the point that pressure was as required with the general consensus that the pump was at fault. Although the clutch kicked in both pipes were warm to touch. I have driven the car for several hundred mile on motorways flat out and only just got a very small amount of cooling. When town driving it gets quite warm inside the car!
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Chuck Nth. Dorset. UK Membership #1896 Don't take life so seriously.... it is not permanent! |
22nd October 2015, 18:55 | #4 | |
Doesn't do things by halves
Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model. Join Date: Mar 2007
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Who did the testing? Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
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22nd October 2015, 22:11 | #5 |
Gets stuck in
NOW a Club Tourer was 1999 - 75 2.0Ltr Connoisseur SE petrol Saloon Join Date: Jan 2012
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I had the car checked over at a garage of qualified long service term engineers. They are well known in Wimborne Dorset for being "Old-School" and doing things correctly.
The system was re charged - which took a few hours I am told, and the system was up to specified working pressure. I was then advised that as all systems were working the pump remained suspect as there was little if any circulation. This was backed up by another AC engineer who based his comments on the results of the works carried out and his own observations. The only thing I haven't taken into consideration is the dryer/desiccant unit, but now I am this far I might as well go the whole hog!
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Chuck Nth. Dorset. UK Membership #1896 Don't take life so seriously.... it is not permanent! Last edited by Chuckles; 22nd October 2015 at 22:17.. |
23rd October 2015, 05:07 | #6 |
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Why not give Jules a PM. He will answer all of your questions and also supplies the necessary o rings that must be fitted.
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"You're Not Laughing Now Are You?" Steve |
23rd October 2015, 08:23 | #7 | ||
Doesn't do things by halves
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I recommend that you find a mobile air conditioning practitioner to give you an accurate diagnosis. I can see that you have absolute faith in your people, but I am afraid that what you're reporting doesn't make sense. Simon
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