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Parking Sensors

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pjm-84

Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2570

I changed a rear outer the other night and it was relative easy to swap out (about 10mins). However I had the bumper off at the weekend so all connectors were cleaned and eased. The n/s rear being really difficult to release first time around.

The sensor bezel has two clips that need to be eased back. At the same time push the sensor in through the bumper from the outside. The connector has a tab that need to be compressed.

Note the "keyway" on the sensor and align this with the bezel when reinserting.

18th Nov 2016 11:43 pm

gstuart

Member Since: 21 Oct 2016
Location: kent
Posts: 14039

2005 Discovery 3 TDV6 Base 7 Seat Auto Java Black

pjm thks

it's the osr that the iid said was at fault

can get my hand on it to unplug the connector but not enough to get the sensor out

think as mentioned will remove the bumper

did wonder if i just plug the new sensor in if it will clear the fault and work whilst not sitting on the back bumper

then if it's ok , can then carry on removing the bumper and fitting the new sensor

18th Nov 2016 11:48 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10637

2005 Discovery 3 TDV6 HSE Auto Rimini Red

Yes that's a good idea to plug the new sensor in and try and point it to free space if you can. See what happens.

You probably need to push the sensor inwards from the exterior while releasing the 3 clips.

19th Nov 2016 5:45 pm

dragonoak4x4

Member Since: 27 Jan 2017
Location: Misson, Nr Doncaster
Posts: 29

2005 Discovery 3 4.4 V8 SE Auto Tonga Green

I have a problem at the back with mine and the garage plugged it in when they did the LPG conversion and they said there was a problem with the ground on the beeper bit . Does anyone know which panel this is behind in the rear so I can investigate please .
They said all the sensors were fine and the loom . Thank you D3 V8 SE LPG
Range Rover 4.4TDV8 Westminster
Volvo V90 T6 Recharge speeding ticket machine(Sold)
Triumph Stag 1973

4th Feb 2017 2:59 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10637

Left passenger side.

May as well get a replacement off eBay if it doesn't make any error tones at all. Not expensive. And they do fail

4th Feb 2017 3:46 pm

dragonoak4x4

Member Since: 27 Jan 2017
Location: Misson, Nr Doncaster
Posts: 29

Thank you , have found one for £22:50 will do that one next weekend

D3 V8 SE LPG
Range Rover 4.4TDV8 Westminster
Volvo V90 T6 Recharge speeding ticket machine(Sold)
Triumph Stag 1973

4th Feb 2017 9:20 pm

HughMartin

Member Since: 30 Mar 2008
Location: Aberdeenshire
Posts: 751

2012 Discovery 4 3.0 SDV6 XS Auto Aintree Green

On a D4, does the front bumper have to be removed to access the outer pdc sensors or can they be reached from under the wheel arch cover?

15th Mar 2017 12:07 pm

HughMartin

Member Since: 30 Mar 2008
Location: Aberdeenshire
Posts: 751

Polite nudge

Anyone please.

17th Mar 2017 4:32 pm

Pete K

Member Since: 15 Jan 2016
Location: GL
Posts: 10637

try a new post in the D4 technical section

17th Mar 2017 5:03 pm

pjm-84

Member Since: 04 Oct 2016
Location: Hampshire
Posts: 2570

On the D3 you can gain access.

However to be honest I could take one side of the bumper off in under 10mins so access was not a problem and it was far easier to do.

Happy to report parking sensors are still 100%

17th Mar 2017 5:41 pm

Preppy2013

Member Since: 12 Apr 2015
Location: Worcester
Posts: 4

2006 Discovery 3 TDV6 SE Auto Java Black

I had this problem recently after (stupidly!) changing a rear break light bulb in the rain. Went to move the vehicle afterwards and when reverse was selected, long continuous low beep with button on dash flashing which could only be stopped by pressing the dash button.
Following advice from these threads, I removed the rear light lens thinking it must have something to do with me replacing the break light bulb.
There are three connector blocks (two in photo and one below bumper level).
One (the black looking block on the right of the two in the photo) was secured by a screw to a plastic bit of trim sticking out from the inside of the bumper with all wiring exposed to the top. My guess was that rain water must have dripped into this one whilst I was replacing the bulb.
Rather than take the bumper off to get to the connector block, I cut the small plastic panel with a junior hacksaw.
I then used my wife's hairdryer on the connector block for about 10-15 mins medium temp and bingo!! the sensors returned to normal operation.
Cable tied the connector block back in place to secure it. Sensors have been working fine since.
Thanks to everyone who has posted on this subject. You all helped me save what undoubtedly would have otherwise been a big garage repair bill. Much appreciated.

25th Mar 2017 11:56 am

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