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4th August 2020, 16:19 | #1 |
Posted a thing or two
rover 75 cdti(rhd), MG ZR(lhd), MG TF(lhd), MG TF(rhd), mini mpi (lhd), Renault megane III (awful) Join Date: Mar 2014
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Air con has packed up
Hi all,
I left my car for 3 weeks, got in it today and the air conditioning has stopped working. The symbol is up on the screen but it’s not working. If I put it on T4 will it tell me what’s wrong with it ? Thanks. Pete. |
4th August 2020, 16:48 | #2 |
This is my second home
rover 75 1.8 vvc club se wedgwood blue Join Date: Aug 2009
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Press and hold auto and distribution buttons together & see if any codes come on the display
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4th August 2020, 17:04 | #3 |
I really should get out more.......
Rover 75 connoisseur se v6 auto Join Date: May 2014
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If you get FC 00 then no faults found - a common one is FC 21 FC 22 -solar sensor not working - but this is usually down to running the test in poor light etc.
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She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide. |
4th August 2020, 17:06 | #4 |
I really should get out more.......
Rover 75 connoisseur se v6 auto Join Date: May 2014
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Not sure if the diagnostic will flag this - but assuming your fan is working i would look at the air con blower resistor pack as that can fail - and a relatively cheap fix.
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She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide. |
5th August 2020, 07:01 | #5 |
Posted a thing or two
rover 75 cdti(rhd), MG ZR(lhd), MG TF(lhd), MG TF(rhd), mini mpi (lhd), Renault megane III (awful) Join Date: Mar 2014
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Hi all
which button is the "distribution" button ? The radiator fan isn't coming on. The heater fan is spinning. |
5th August 2020, 08:00 | #6 |
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Hi Pete,
Before you do diagnostics on the air distribution system, is the compressor engaging when you start the engine and press the windscreen demist button? Simon
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"Whatever is rightly done, however humble, is noble." Sir Henry Royce. |
5th August 2020, 08:21 | #7 |
Posted a thing or two
rover 75 cdti(rhd), MG ZR(lhd), MG TF(lhd), MG TF(rhd), mini mpi (lhd), Renault megane III (awful) Join Date: Mar 2014
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Simon,
I will try and check it at lunchtime. When I go from econ to aircon, I don't hear the compressor clicking in. But it is a rattly old diesel so maybe the click is being drowned out by the noise, I do notice an engine speed drop though, but only when I go to "ECON" mode. |
5th August 2020, 09:29 | #8 |
I really should get out more.......
Rover 75 connoisseur se v6 auto Join Date: May 2014
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Top row -the sitting man -second from right
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She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide. |
5th August 2020, 09:33 | #9 |
I really should get out more.......
Rover 75 connoisseur se v6 auto Join Date: May 2014
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When you press auto and the "sitting man" turn the key to position 2 and hold until you see the fault code read out - if outside light on the car is poor it likes to throw out an FC 21/22 code re the solar sensors - but if you redo in good light it will normally clear.
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She came off the Longbridge Line on 20-05-2003 The Silver Machine was the 13th of 160 Rover 75's to come off the production line that day and is the 100th of 527 Starlight Silver Rover 75 2.5 V6 Connoisseur SE Auto saloons listed in the build records produced world wide. |
5th August 2020, 11:05 | #10 |
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You can see the pulley on the end of the compressor.
Normally the centre of the pulley is stationary. When you switch on the air con you can see the centre spinning. If it doesn't spin you've found the problem.--- |
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