Car Accessories including spares tyres and batteries
Tyre Information what do the numbers and letters mean ?
Tyres
Replacement can be caused through the following and you can extend your tyre life by checking tyres at various times
Tyre has reached it's working life naturally
Causes that will increase normal tyre wear
Under-Inflating :- Will cause uneven wear Check Tyre pressures monthly ( use car handbook )
Over-Inflating :- Will cause uneven wear Check Tyre pressures monthly ( use car handbook )
Faulty Brakes :- Will cause bald spots Check Brakes and Steering
Faulty Suspension :- Will cause bald spots Check Brakes and Steering
Steering and Tracking :- Will cause bald spots Check Brakes and Steering
Incorrect wheel alignment:- Will cause uneven wear Have wheels checked for balancing if you feel vibration through the steering wheel
Puncture :- repair before it causes problems
Statistics show that almost half of all car accidents are caused when a car skids often through some of the above including poor tyres
The law demands that tyres have a tread depth of 1.6mm in a continuous band around the centre three quarters of the tyre.
How you drive can greatly effect the amount of time and number of miles you get from your tyre
heavy braking and fast cornering will shorten its life
What do all the numbers mean on a tyre
145R15S
145 - means the tyre has a nominal section width of 145 millimetres
R - means radial
15 - means it fits a 15" diameter wheel
S - means it's rated for speeds up to 113mph
Other common speed ratings are:
S = 113mph
T = 118mph
H = 130mph
V = 149mph
Z = Over 150mph
W = 168mph
Y = 186mph
Low profile tyres have a slightly different marking for instance:
175/60R 13H
175 - 175 millimetres nominal section width
60 - sidewall height is 60% of tyre nominal section width
R - Radial
14 - Means it fits 13" diameter wheel
H - Rated to 130mph
Exhausts Problems Repair and Replacement ?
Exhaust
Corrosion caused by acidic moisture as the exhaust gasses condense and form pools of fluid it corrodes the exhaust , the first part affected is usually the Silencer
Leaky joins most often caused by gasket which can sound like a blown exhaust but just need to replace gaskets
Rattling under the car caused by broken or loose clamps or support bracket
Rattling can also be caused by catalytic converter breaking down ( Quite expensive if it does )
A Catalytic Converter is used to reduce harmful emissions
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