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DISCO3.CO.UK > Technical (D3)

Suspension problems

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Stucain

Member Since: 05 Mar 2018
Location: Kent
Posts: 6

2006 Discovery 3 TDV6 SE Manual Bonatti Grey

Suspension problems

Hi all.

I have changed all 4 level sensors and now have now suspension at all?!?!

I have plugged in and front sensors reading incorrectly and also not picking up a feed from them either?
So tried to calibrate. No joy. This was followed by compressor not powering up. And also fault with control module.
So having already changed the sensors, I have now changed the control module and compressor.
Changed the relay under the bonnet and checked fuse in the same junction box. Checked the fuse in the glove compartment fuse board. All seems ok. Still now power up?
I have tried various things and can’t get anywhere!? I have power to the isolation switch but no power out? A friend checked this and let me know.

Any help would be greatly appreciated. I am meant to be driving to Scotland next weekend and need the mot doing before I go too.

Thanks all

5th Mar 2018 1:10 am

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10360

2005 Discovery 3 TDV6 HSE Auto Rimini Red

Have a look at the suspension sensor connectors.

Do the old ones have the same number of pins as the new ones? i.e 3 or 5 or whatever.

There was a post about this recently.

I guess there was something wrong to start with to change 4 ?

5th Mar 2018 1:17 pm

Globetrotter448

Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782

2007 Discovery 3 4.0 V6 Petrol SE Auto Java Black

You can check whether the compressor will run by removing its relay and put a jumper across the two large sockets on relay base - I use a bent paper clip for this. I have also looked at the 70 amp fuse and it looked okay but checking with a meter shown open circuit

6th Mar 2018 9:58 am

Stucain

Member Since: 05 Mar 2018
Location: Kent
Posts: 6

Thanks all. Looking at wiring and connections now

6th Mar 2018 11:26 am

Globetrotter448

Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782

What was the original reason for changing the sensors. Was compressor etc running then before changing sensors?

6th Mar 2018 11:05 pm

Stucain

Member Since: 05 Mar 2018
Location: Kent
Posts: 6

All was working ok apart from suspension light occasionally came on. Plugged in to snap on diagnostics and came up with sensor faults. Decided it was time to change them. Changed all 4 as 3 out of 4 were coming up with fault codes.

6th Mar 2018 11:35 pm

Globetrotter448

Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1782

Seems like it will probably be a sensor connector that has a broken wire/pin or corrosion somewhere. When replacing height sensors I think you need to do measurements from the wheel centre to the mudguard to set them into the system.

7th Mar 2018 1:26 am

Cosmo1

Member Since: 11 Mar 2016
Location: North ayrshire
Posts: 107

2005 Discovery 3 TDV6 SE Manual Java Black

I had my suspension light coming on, switching off and restarting would clear it for a while. It got more erratic and changing compressor solved issue.

7th Mar 2018 4:20 am

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