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Pressure sensors - Do they unscrew?
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Mark1247
 


Member Since: 25 Nov 2018
Location: Cambridge
Posts: 62

United Kingdom 2009 Discovery 3 TDV6 S Manual Buckingham BlueDiscovery 3
Pressure sensors - Do they unscrew?

As the title says really, i picked up a spare set of wheels, but they have sensors on the valves.

I tried to unscrew, BUT feel very solid on the valve, thought i would double check on here first, BEFORE i end up splitting the valve or something. Do these get glued on, never had them before, but would like to add some air in one of the wheels.


  
Post #20670499th Jul 2019 7:07 am
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M3bobby
 


Member Since: 21 May 2018
Location: Sleaford, LINCS.
Posts: 751

United Kingdom 

Could be corroded on. It’s I believe a common issue with this type.
  
Post #20671379th Jul 2019 1:14 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 6238

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Common problem with the metal type caps, you may need new valve stalks with plastic caps to eliminate this problem, but..........in my book they are not sensors, sensors are metal stalks(valves) not rubber Shocked cap and retaining sleeve/nut need to be plastic.


 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #20671709th Jul 2019 3:40 pm
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Ceekay
 


Member Since: 17 May 2009
Location: Bury, Lancs
Posts: 1911

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4

Just make sure there isn't a retaining ring at the back of the sensor that has a little allen key grub screw through it as my old ones secured to the valve like that Thumbs Up
 D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her already 
 
Post #20671799th Jul 2019 4:21 pm
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Mark1247
 


Member Since: 25 Nov 2018
Location: Cambridge
Posts: 62

United Kingdom 2009 Discovery 3 TDV6 S Manual Buckingham BlueDiscovery 3

Well, I believe they had just corroded on, either way they have gone now.
One came off with a little force, the rest took half the valves with them.

New valves fitted all round now.

Thanks for the replies.
  
Post #20671829th Jul 2019 4:28 pm
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ROY_H
 


Member Since: 30 Jun 2014
Location: South Hams Devon
Posts: 368

England 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

These are after market pressure sensors. I have them on mine and they work very well.
Because they rely on being kept tight to stop air leaks (they 'override' the valves) they have a locking nut under them on the valve stem. Originally they would have been supplied with a small offset flat spanner.
if people pump their tyres up occasionally they will unscrew these and they shouldn't get stuck on. Mine have worked perfectly for over a year !!
 Morris Dancers: Drinkers with A Dance Problem  
Post #206746710th Jul 2019 4:27 pm
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 6238

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Thumbs Up they had me puzzled!
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #206751010th Jul 2019 6:50 pm
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