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My knobs are sticky!
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charlietortoise
 


Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 511

2010 Discovery 4 3.0 TDV6 HSE Auto Barolo BlackDiscovery 4
My knobs are sticky!

Hi there, weird problem and I cannot find anything in the forum.

My heater hot and cold knobs on both sides have gone sticky. It feels like it has had a sticky childs fingers on it. I cleaned them but they still feel quite tacky. It has been years since I had any chemical cleaning inside so if something affected them, it has been a long time in coming.

Anyone came across this before?

Malc
 Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂  
Post #235564311th Dec 2023 7:16 pm
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James W
 


Member Since: 27 Mar 2008
Location: Riyadh, KSA
Posts: 3079

Saudi Arabia 

Mine did this when I had a D4, completely randomly one night and all of a sudden. Very strange.

I had to spend ages gently gleaning them with 'sticky stuff remover' and a non-lint cloth, eventually it all came off and they were left with quite a matt feel. it never happened again. I assume they have some kind of finish treatment on them that must just go funny with age?

Edit - just noticed yours is 2010. Mine was too, not sure if it was just certain MYs
 D4 XS, gone, much loved, never forgotten
2018 FFRR SDV8 Autobiography - Gone to someone with less sense and more time to enjoy it Very Happy
2016 Toyota Hilux Invincible - Liberating experience 
 
Post #235564511th Dec 2023 7:25 pm
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charlietortoise
 


Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 511

2010 Discovery 4 3.0 TDV6 HSE Auto Barolo BlackDiscovery 4
Info

Wow, I am so glad its not my imagination. Is sticky stuff remover a brand of some sort? Thanks.
 Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂  
Post #235565011th Dec 2023 7:52 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13019

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

2 options ...

clean it with bicarbonate of soda

clean it with tooth powder.

only difference is 2nd option smells nicer.

Very Happy
  
Post #235566411th Dec 2023 10:59 pm
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Shaun R.
 


Member Since: 13 Sep 2016
Location: Warlingham, Surrey
Posts: 145

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Aintree GreenDiscovery 4

same here, happened today although it is the end of the indicator stalk in my 2011 D4 that has become sticky.
  
Post #235566711th Dec 2023 11:37 pm
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gt40
 


Member Since: 21 Jul 2015
Location: Cape Town
Posts: 15

South Africa 2010 Discovery 4 5.0 V8 HSE Auto Bonatti GreyDiscovery 4

Hardware wrote:
2 options ...

clean it with bicarbonate of soda

clean it with tooth powder.

only difference is 2nd option smells nicer.

Very Happy

I need to mention that while bicarb will do the job, it is quite abrasive. This is ok on the mentioned knobs but if you use it on anything with white lettering, you risk removing the lettering.

Google search shows many different methods to remove the sticky coating, many of which will work but after cleaning this type of knob on many different Land Rover and Jaguar models, I have come to the conclusion that there is no readily available chemical that will dissolve the coating without also also damaging the plastic.

The coating needs to be rubbed or scraped off using a soft cloth wrapped around a plastic scraper and liberally coated with a lubricant. I have seen WD40 used as the lubricant but in my experience, a basic liquid hand cream is the best. Make-up removal wet wipes also work but do the same job as the cloth and hand cream.

The knobs on the Discovery can be popped off by carefully levering them off with plastic trim removal tool or anything with a flat end found in a cutlery drawer but care must be taken not to damage the surrounding area.
 2010 D4 TDV6
2010 D4 V8
2010 Range Rover TDV8
CAV GT40 
 
Post #235567412th Dec 2023 4:34 am
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James W
 


Member Since: 27 Mar 2008
Location: Riyadh, KSA
Posts: 3079

Saudi Arabia 
Re: Info

charlietortoise wrote:
Wow, I am so glad its not my imagination. Is sticky stuff remover a brand of some sort? Thanks.


This is what I used. I had a liquid rather than a spray, can't see it making much difference.

https://www.toolstation.com/zep-sticky-stuff-remover/p86562

Just have some good microfibre cloths ready, don't use anything paper or with lint as it will just stick to the control as you're cleaning it
 D4 XS, gone, much loved, never forgotten
2018 FFRR SDV8 Autobiography - Gone to someone with less sense and more time to enjoy it Very Happy
2016 Toyota Hilux Invincible - Liberating experience 
 
Post #235569912th Dec 2023 12:35 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13019

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

have to be careful with "sticky stuff remover" .... they are deffo not all the same.

We'd had a plastic bottle of one brand that had run out but had a nice nozzle end for applying the stuff. So I bought some more, but a different brand, and decanted it into the "useful" bottle. Thankfully, as I picked it up to put it away in the cupboard, I realised the stuff was melting the plastic ... so quickly got it back in it's original glass container !

Both did the same job and both smelled vile, but clearly not the same stuff.

so if you do resort to it, test on an inconspicuous area first !!
  
Post #235570712th Dec 2023 1:11 pm
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HairyFool
 


Member Since: 04 Jan 2023
Location: North Essex
Posts: 683

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto ZanzibarDiscovery 4

I have noticed quite a few examples of the anti-slip coatings used on a number of different devices that seems to decay and go tacky. I wondered is getting cold would do it as I took out a still packed as new Microsoft mouse from my garage store that had gone tacky.

The only option seems to be to completely remove the coating and take it back to the base plastic.
 A visitor from the dark side, my other vehicle is an is still an EV. Strictly speaking its SWMBO.  
Post #235573912th Dec 2023 5:22 pm
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DSL
Keeper of the wheelie bin 


Member Since: 11 May 2006
Location: Off again! :-)
Posts: 73085

Ukraine 

Love the avatar hf. Thumbs Up Thumbs Up
   
Post #235574012th Dec 2023 5:23 pm
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charlietortoise
 


Member Since: 29 Oct 2011
Location: Staffordshire
Posts: 511

2010 Discovery 4 3.0 TDV6 HSE Auto Barolo BlackDiscovery 4
Knobs

Hi all, thanks for all the help, who would have thought that we collectively know so much about sticky knobs Laughing
 Discovery 4 3.0 HSE 2010 year. I like it a lot. Now with winch 😂  
Post #235574212th Dec 2023 5:32 pm
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Hardware
 


Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 13019

United Kingdom 2011 Discovery 4 3.0 SDV6 XS Auto Sumatra BlackDiscovery 4

HairyFool wrote:
I wondered is getting cold would do it as I took out a still packed as new Microsoft mouse from my garage store that had gone tacky.


Happens to things in warm places too. I suspect it's a moisture thing.
 .


Dean
====================================

2011 D4 XS - OBD port protection, RLD spare wheel protector, All LED interiors lights, Timed Climate enabled, iiD tool paired.
2011 D4 Landmark - Stolen from same dealer before I paid for it
2011 D4 GS - Stolen whilst at dealer Sad ... All LED interiors lights, DRLs, Spare Wheel protector.
1996 300Tdi - Eaten by tin worms 
 
Post #235574712th Dec 2023 6:17 pm
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Sylvester19
 


Member Since: 17 Jul 2020
Location: Central Scotland
Posts: 128

Ukraine 2016 Discovery 4 3.0 TDV6 Landmark LE Auto Indus SilverDiscovery 4

Seems to a common problem with these rubber coatings after time, I've a night sight, never seen the light of day, doing the same, all sticky. The clear soft plastic covers on crimp connectors do the same.
  
Post #235577313th Dec 2023 1:13 am
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