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Home > General > Failing Parking Sensors Poll
Have yours PDC Been fixed or not?
Fixed
11%
 11%  [10]
No Fix
71%
 71%  [64]
Fixed then failed again
16%
 16%  [15]
Total Votes: 89

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gg



Member Since: 17 Mar 2010
Location: Glasgow
Posts: 17

Scotland 2007 Freelander 2 TD4 HSE Auto Stornoway Grey

Crying or Very sad

Started the car this morning only to hear a loud beep and the parking sensor dash switch flashing. On reversing out of drive no blips...

I've had the constant beep problem when it rains (just need to wipe the sensors and everything was fine) but this was different.

Just had a look under the rear bumper and all looked fine on RHS. LHS however was a bit of a surprise... Three thin cables attaching to the bumper sensor have been damaged. Can see copper cores and green cable is stripped back and broken a few inches from the sensor.

It looks like any stones etc. can easily be thrown from the rear tyre and hit the cables. They are not protected in any way other than a bit of black tape.

At least I know what I'll be doing tomorrow Very Happy

Didn't get a chance to look at the front sensors but I'm hoping that fixing the cables should fix the problem.

May even get the waxoyl out at the same time.

Gordon

Post #83958 11th Dec 2010 4:55 pm
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EYorkshire



Member Since: 18 Nov 2010
Location: (!)
Posts: 4392

I know the post is old(ish) but it still applies for anyone with problems.
If it is vulnerable to stones/chippings etc and is only protected by tape, think about wrapping some spiralwrap around it, as in this pic link. Can be bought at any Maplins or electrical outlet.

Post #84042 12th Dec 2010 12:46 pm
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maffs



Member Since: 14 Nov 2010
Location: Gwernymynydd - North Wales
Posts: 328

United Kingdom 2008 Freelander 2 TD4 SE Manual Santorini Black
Change of Vote

Can i change my vote from Fixed to 'Fixed then Broke again' Smile
thats what speaking too soon gets you!!! Sad

Post #84043 12th Dec 2010 12:49 pm
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gg



Member Since: 17 Mar 2010
Location: Glasgow
Posts: 17

Scotland 2007 Freelander 2 TD4 HSE Auto Stornoway Grey

Parking sensors all working again. Razz

Protected the cable as best I can until I get the plastic spiralwrap. Great info EYorkshire - thanks.

Gordon

Post #84056 12th Dec 2010 3:28 pm
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Geordie Boy



Member Since: 07 Jul 2009
Location: Northumberland
Posts: 108

2011 Freelander 2 SD4 HSE Auto Galway Green

Yep, both front and rear sensors beep continuously when it rains, and in the snow the other week, then fine again when everything dries out.

Post #84224 14th Dec 2010 3:29 pm
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mcphersonstrut



Member Since: 21 Jul 2009
Location: In the land of 2 wheel drive and 60mpg
Posts: 2164

England 2008 Freelander 2 TD4 HSE Auto Stornoway Grey

yorkshirerob wrote:
........pick a warm dry day.....get some Finnegan's Waxoyl (or equivalent). Brush or rub into the small gap around the sensors. Rub off excess with a cloth. Allow to dry a little. You're cured. Thumbs Up


I'm going to give yorkshirerob's top tip a go, the only issue I can think of is his first five words above Big Cry yea right, in Yorkshire fat chance Laughing In saying that, I'm sure we had at least two quite mild days earlier this year Thumbs Up

Post #84230 14th Dec 2010 4:42 pm
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yorkshirerob



Member Since: 09 Oct 2010
Location: West Yorkshire
Posts: 92

United Kingdom 2013 Freelander 2 SD4 HSE Lux Auto Ipanema Sand

defo go for the hairdryer approach in december!
Then watch the neighbours laughing at you...

Laughing

Post #84246 14th Dec 2010 6:50 pm
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flycop2000



Member Since: 16 Jul 2008
Location: Scotland
Posts: 282

United Kingdom 2012 Freelander 2 TD4 GS Manual Stornoway Grey

Been fixed but started to fail again, continuous bleep if the car has been sitting in the rain! Confused

Post #84300 15th Dec 2010 11:57 am
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EYorkshire



Member Since: 18 Nov 2010
Location: (!)
Posts: 4392

Well I've been smirking at these sensor problems and guess what? It wasn't raining last night when I left work, although it was murky, stuck it in reverse and all hell broke loose with a low frequency continuous beep. The same when I reversed into my drive at home but behaving perfectly this morning Confused

Post #84401 16th Dec 2010 7:16 am
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4642

A little late, but here is my experience with parking sensors...
I too had problems with the parking sensors, mostly when wet.
But since I've took out any trace of paint that, by mistake or not, was on the seal between the sensor and the housing, not a problem at all.
In other words, make sure that the rubber seal is free of any material that may be retaining dirt, water, etc. and the sensor itself is floating only on the rubber seal itself.
It is important this "floating on the rubber", because being an ultrasonic sensor, the sound waves emited by the sensor must be received only after they are reflected by an obstacle and not on a "shortcut" path localy.
By analogy, always your voice on tape is different from what you know/hear, because part of the sound you hear is through the skull bones. Exactly like that is here. You need to remove any other thing that will make the sensor to "hear" its waves locally.
Any local "shortcut" or "ultrasonic wave short-circuit/loop" will be translated by the sensor in/as a very close object.
Sorry, I hope that you understand what I mean, English not being my first language... Very Happy
In the picture below there are clearly seen on the edges, the remains of the paint, not so artistic removed from the rubber seal.

Post #103950 1st Jun 2011 1:15 pm
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oldgeezer



Member Since: 09 Apr 2011
Location: Wiltshire
Posts: 1302

United Kingdom 2013 Freelander 2 TD4 GS Manual Baltic Blue

I cleaned all my sensors with Mr sheen ! as a water repellent never had any issues since when it rains. I wipe the black bumper and sensors with silcon after each wash and sensors work better then ever. No problem with tow bar electrics or caravan on the rear iether.
Job Done. Thumbs Up Been ok for two years with this method.

Post #103963 1st Jun 2011 2:14 pm
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hughj



Member Since: 17 Oct 2011
Location: Warkworth
Posts: 4

United Kingdom 2007 Freelander 2 TD4 GS Manual Stornoway Grey

The parking sensors on my 07 GS rarely work. The engagement sounder comes on occasionally when I'm driving forward. The radio jumps stations and does not switch off when I remove the key. I bought it two months ago. I've had it back to the supplier twice who cannot fix it. They have taken it to Stratstone, Newcastle who also cannot fix it. I don't think it's the sensors as the engagement sounder does not come on. I think it must either be an intermittent connection, faulty relay or bad earth. Anybody got an idea where to start looking.

Post #121561 26th Nov 2011 8:36 pm
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realspeed



Member Since: 26 Mar 2011
Location: East Sussex
Posts: 574

United Kingdom 

I just can't understand what all the fuss is about. here is a far better method than using a cars sensors for reverse parking, what I do is to get the other half to stand behind the car whilst reversing. As the car gets closer to say a wall she starts off with a warning shout, then getting closer she starts screaming which gets continuously louder. When she has stopped I know I am as close as I can get. Works every time Laughing Laughing Laughing

Realspeed Ex 2010 Freelander2 GS-e Diesel manual Silver owner

Post #121574 27th Nov 2011 9:23 am
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Bill Turner



Member Since: 08 Jul 2008
Location: Birkenhead
Posts: 977

United Kingdom 2009 Freelander 2 TD4 SE Auto Santorini Black

There is a modified seal which is to be fitted to my car next week when it goes in to have the diff bearing fix.
Will post the part number after car is returned to me.

Bill Turner Life Honorary Member of Wallasey Motor Club.
Licenced MSA Radio Operator for 35+ years.
Rallying is the only sport.

Post #121576 27th Nov 2011 9:42 am
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hughj



Member Since: 17 Oct 2011
Location: Warkworth
Posts: 4

United Kingdom 2007 Freelander 2 TD4 GS Manual Stornoway Grey

Does anybody have information and/or pictures of how to remove the rear parking sensors.

Post #122118 1st Dec 2011 7:29 pm
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