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DISCO3.CO.UK > Wheels & Tyres

Tyre Pressure

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indi

Member Since: 20 Feb 2012
Location: singapore
Posts: 60

2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt Silver

Tyre Pressure

Hi,

Now the book says the tyre pressure as 34 for the front and 36 for the rear with tyre size 255/60 R18. Taking corners the D3 screeches. But when I reduce it to 33 for the front and 35 for the rear the D3 screeches less and the ride is less bouncy.

So actually what is the best tire pressure?

Thanks in advance for sharing.

Indi
Krabi, Thailand

2nd May 2012 8:14 am

mrszymon

Member Since: 17 Apr 2012
Location: London
Posts: 425

2009 Discovery 3 TDV6 HSE Auto Zermatt Silver

Re: Tyre Pressure

Unnecessary quote removed

The ambient temperature affects the tyre pressure. Standing in the sun will add to that. When exactly are you measuring the tyre pressure? It can be quite a dramatic drop in hot countries like Thailand. Remember that here in the UK we don't have Weather as such, we have slightly brighter or darker shades of grey...

Probably best to experiment (as you have) and find what works best for you.

2nd May 2012 8:35 am

B16 KJR

Member Since: 10 Jul 2006
Location: Rosyth, Fife
Posts: 3005

Quote:
Taking corners the D3 screeches.

Go slower then

2nd May 2012 11:16 am

Simons17

Member Since: 12 Aug 2010
Location: beverley north yorkshire
Posts: 233

2015 Discovery 4 3.0 TDV6 HSE Lux Auto Orkney Grey

i run 42 rear and 36 front no screaching iam on GG at tyres. are you sure you dont have a stone in one of your pads ? or does it screach in reverse at slow speed if so my need park brake blowing out with an air line.

4th May 2012 9:38 am

indi

Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Well the tires are due for a change. I thought to change them to 265/60/18R. LTX A/S Michelin, as they are broader, hopefully the D3 will screech less. Do you think I will have a problem as the spec are 255/60/18R for the D3. And what should the tire pressure be? Here in Krabi, Thailand don't have highways but rather many corners.

Please share your thoughts. Thanks

Indi
Krabi
Thailad

7th Jun 2012 10:00 am

indi

Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Conclusion-

Changed to 265/60/18R LTX Michelin and the screeching has stopped.

The previous 255/60/18R were made in Honduras. Although it has about 40% more life but probably was not meant for hot climates like Thailand. That probably explains the early deterioration of the rubber.

Cheers

Indi

13th Jun 2012 7:04 am

indi

Member Since: 20 Feb 2012
Location: singapore
Posts: 60

the old tires were made in 2009

13th Jun 2012 7:05 am

yogi972

Member Since: 05 Jun 2011
Location: Kineton
Posts: 3373

2010 Discovery 4 3.0 TDV6 HSE Auto Alaska White

Ain't checked my pressures for a week or three and was expecting slightly higher readings because of the 27oC weather

Upon checking both one front was 29 psi t'other was 31psi
Both rears 30psi .
Oopsie yeah I'm wantIng some ATs but not by wearing them down like this lol
So both fronts now 36 and rears 38.5 got a road trip soon so hopefully mpg should be afar better too,

Note to self more regular pressure checks......

25th Jul 2012 2:22 pm

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