01-12-2015, 11:08 AM
Hi
My '97 1.9d has 185/55 R15 tyres all round on nice alloy wheels. (The tyres are a mixture of T, H & V rated which may not be an issue as they're all ratings above the max. speed.)
The Owner's manual specifies 165/70 14 and gives the pressures at 42psi front & 46psi rear. Some trawling around the web for tyre information found a site that listed a 195/65 R15 size running at 33psi all round.
There are a number of sites that give formulae to calculate tyre pressures from the max pressure specified on the tyre and the laden weight of the vehicle but there's nothing about front/ rear differential.
So, my questions are: does anyone know what pressures I should be using and are these tyres a non-standard size and is this a problem?
Thanks for your help.
My '97 1.9d has 185/55 R15 tyres all round on nice alloy wheels. (The tyres are a mixture of T, H & V rated which may not be an issue as they're all ratings above the max. speed.)
The Owner's manual specifies 165/70 14 and gives the pressures at 42psi front & 46psi rear. Some trawling around the web for tyre information found a site that listed a 195/65 R15 size running at 33psi all round.
There are a number of sites that give formulae to calculate tyre pressures from the max pressure specified on the tyre and the laden weight of the vehicle but there's nothing about front/ rear differential.
So, my questions are: does anyone know what pressures I should be using and are these tyres a non-standard size and is this a problem?
Thanks for your help.