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tonyp

Member Since: 03 Feb 2023
Location: Northern Ireland
Posts: 83

Correct Tyre Pressure - 110

I collected my 110 D300 from the dealer in Thursday and have a query around tyre pressure (is set for light load)

According to the Instrument Panel, they are between 40.6 and 42.6 PSI which is above the recommended figures quoted in brackets via the screen which states 33.5 Front / 36.3 Rear.

The iGuide states the tyre label is located on the passenger side - however the only label I can see is obscured by the front / rear doors (unless I am missing something) - I have 255/60/R20 Goodyear Wrangler.

Is is normal for them to be set so high or just how the factory ship the vehicles and should I just deflate them to the recommended values?

Appreciate any feedback

Tony

28th Jan 2024 7:37pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20380

Probably done for transport so they are at least, at or above recommended pressures when collected by the customer.
Just put them to the pressure recommended, you will likely find it in the owner manual somewhere.

I highly doubt it is anything to worry about.

Rear pressure sometimes is increased, if towing heavy is required. $W33T $0U7H3RN $UG4R
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28th Jan 2024 7:46pm

Clemmo

Member Since: 03 Aug 2012
Location: Mile Oak
Posts: 1218

2010 Defender 90 Puma 2.4 HT Stornoway Grey

Legally manufacturers have to display a label with recommended tyre pressures.
These days with different wheel/tyre combos and the laden/unladen spec the labels are often quite confusing.

On my Defender the label is on the drivers door.
Inconveniently very low on the door so I have to grovel on my knees to remind myself.

Clemmo Make today a little better than yesterday but not so good as tomorrow....
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28th Jan 2024 8:47pm

martinf

Member Since: 30 Nov 2020
Location: Sussex
Posts: 99

I follow the recommendations on the screen with a light load setting and it seems fine

29th Jan 2024 9:14am

tonyp

Member Since: 03 Feb 2023
Location: Northern Ireland
Posts: 83

Clemmo wrote:
Legally manufacturers have to display a label with recommended tyre pressures.
These days with different wheel/tyre combos and the laden/unladen spec the labels are often quite confusing.

On my Defender the label is on the drivers door.
Inconveniently very low on the door so I have to grovel on my knees to remind myself.

Clemmo

Thanks Clemmo,

Followed your advice, mine is also very low on the drivers door - I looked everywhere else around the vehicle that was obvious and based on previous cars owned.

Tony

29th Jan 2024 10:20am

Notyalc

Member Since: 27 Jul 2018
Location: Northumberland
Posts: 161

Just in case people dont understand, tyre pressures when warm will be higher.

The pressures quoted on the label and on the dashboard are for cold tyres.

However, even if the tyres were warm , i would only expect an increase of 3-4 PSI.

So i think you have grounds for complaint..

29th Jan 2024 8:31pm

Cheshire110

Member Since: 26 Jul 2013
Location: Cheshire/London
Posts: 2755

Not to get too geeky here but I think the ‘recommended’ pressures on the dash change with temperature too. For mine they change between around 36 and 41 for the rears for example depending whether I’m stationary or driving at speed. Clever stuff!

Would just match what the computer wants yes unless you are doing something specific Cheers, David
Land Rovers of all shapes S3 onwards… Daily is a 110 V8.

29th Jan 2024 9:09pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20380

If you check it and change it when cold, then you will know it’s a reliable benchmark as they should be adjusted when cold anyway.

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29th Jan 2024 9:10pm

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