Home > Technical (L322) > TDV8 4.4 Air Compressor |
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DrRob Member Since: 16 Apr 2015 Location: Petersfield, Hampshire Posts: 4303 |
Ignore and enjoy the car Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
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6th May 2021 8:48am |
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BenRK Member Since: 19 May 2020 Location: County Durham Posts: 164 |
Mine does the exact same. Can he left for a week and its height doesn't change but will kick in most times it's turned on. I know on my disco 3 the air compressor was rotten and had loads of tiny pinholes and was losing pressure but I don't think it's the cause of it on the range. |
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6th May 2021 9:25am |
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paulwlincs Member Since: 07 Oct 2019 Location: Lincoln Posts: 44 |
sounds like my ocd is kicking in again then 2011 tdv8 4.4 vogue Santorini black |
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6th May 2021 10:56am |
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Merchy Member Since: 14 Feb 2021 Location: North Wales Posts: 1192 |
As to your OCD, join the club.......
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6th May 2021 11:11am |
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mjdronfield Member Since: 04 Nov 2011 Location: Derbyshire Posts: 7803 |
The compressor tops up an air tank I believe, not the air bags directly. The bags use the air tank, so if they need air the air tank drops pressure and the compressor comes on to top that up, so it may appear it does the bags directly if you are listening.
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6th May 2021 11:42am |
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Rog21 Member Since: 09 Nov 2018 Location: Havant Posts: 62 |
Having left mine on SORN for 5 months my compressor came on and I suspect the tank was nearly empty as I had a normal height only message on dash as i suspect the pump was overheating. Second time it was used no problem. It did the same last lockdown at the beginning of 2020. I intend to service the compressor soon just to be sure. I know you can look at tank manifold pressure as its measured so could do this a number of times after leaving car for a few days.
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6th May 2021 2:29pm |
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Rog21 Member Since: 09 Nov 2018 Location: Havant Posts: 62 |
Having monitored the manifold pressure and compressor temperature with the car left for a few days the compressor only kicks in when I demanded a height change, looks like the manifold pressure isn't the tank pressure. Any thoughts?
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10th May 2021 8:30pm |
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