EXTERIOR CHECKS cont.
Tyre and rim condition
Driving over sharp edges can lead to hidden tyre damage and rim damage, which can
lead to tyre blowout.
Drive over edges slowly and at right angles if possible. When parking, ensure the tyres
are not pressed against the edge of the curb.
Check the tyres regularly for damage: stones, punctures, cuts, cracks, bulges etc.
Check the rims for damage. Consult a Holden Dealer if in doubt.
Alignment and balance
Improper wheel alignment can cause the tyres to wear faster and to wear unevenly. It
can also cause the vehicle to pull to the left or right.
Out-of-balance wheels and tyres can cause annoying vibration and uneven tyre wear.
If you suspect either of the above problems exist, have a wheel alignment and balance
check carried out by your Holden Dealer.
Tyre rotation
Front and rear tyres perform different
jobs and can wear differently depending
on the types of roads driven, your driving
habits, wheel alignment, balance, tyre
pressures etc.
Check the tread depth regularly. If the
front tyres have more wear than the rear
tyres, have both front wheels changed
with the rear wheels so that the tyres with
the deeper tread are on the front.
If the wheels are rotated it is recommended
that the balance be checked at the
same time.
The patterns above (either 4 tyre or
5 tyre) should be followed for normal
tyre rotation; the patterns below can
be used if one-sided wear is apparent
on the tyres.
Chapter 7
WEEKLY CHECKS
7-4
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