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Air compressor problem

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PROFSR G

Member Since: 06 Mar 2017
Location: Lost
Posts: 5043

2009 Discovery 3 TDV6 Commercial XS Auto Stornoway Grey

The compressor feeds the air tank via the reservoir valve block, which in turn feeds the air bags on each strut. The reservoir valve block is located in front of the compressor on the chassis rail inside the acoustic covers.

The top of the air tank reservoir has a tendency to leak due to a build up of crud and detritus rotting through the thin mild steel. yµ (idµ - eAµ) ψ=mψ

13th Oct 2023 1:52 pm

Bardley

Member Since: 02 May 2018
Location: Hertfordshire
Posts: 469

2011 Discovery 4 3.0 TDV6 HSE Auto Santorini Black

This might help explain a few things:
https://media.disco3.co.uk/gallery/albums/...iption.pdf 2011 MY D4 HSE
Previously 2001 D2 TD5, 1996 D1 300Tdi, 1985 90 2.2 petrol.
Bikes! KTM, BMW, British, Classics and others.

13th Oct 2023 1:56 pm

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

2012 Discovery 4 3.0 SDV6 HSE Auto Unknown Colour

Thanks alot for the pdf!
I'm actually gonna inspect the gas tank since I suspect it could be this thing that's making a mess.
I now know for a sure its a leak....

13th Oct 2023 2:48 pm

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

I took some pictures and couldnt see any leaks, but the compressor IS running the first 10 seconds when u turn on the car but still couldnt see any leaks.

14th Oct 2023 11:00 am

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

Click image to enlarge

14th Oct 2023 11:00 am

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

Does anyone know how to change the aircompressor in JLR SDD?
I got it running and working but i dont know my way around the software.

31st Oct 2023 4:19 pm

PROFSR G

Member Since: 06 Mar 2017
Location: Lost
Posts: 5043

It will run fine on the Hitachi firmware on a temporary basis. There are a few parameters that differ from the AMK unit, but if a fault occurs that's when damage to the AMK might occur. ie Compressor temp threshold exceeded, motor temp threshold exceeded, etc.

I've never used SDD, but so long as you do not leave it too long before updating I wouldn't worry too much about it. Judging by my own experiences there's a load of D3's happily running around on the wrong firmware!

yµ (idµ - eAµ) ψ=mψ

31st Oct 2023 9:18 pm

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

Click image to enlarge

1st Nov 2023 10:47 am

shirra

Member Since: 05 Oct 2022
Location: Hässleholm
Posts: 38

Can someone explain the fault codes here ???

1st Nov 2023 10:48 am

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