Subaru 2009 IMPREZA, Service Manual

Page: 2236 / 3619

WT-10
Wheel Balancing
WHEEL AND TIRE SYSTEM
4) Install the selected weight to the point designat-
ed by the wheel balancer.
CAUTION:
• Degrease the wheel surface where the adhe-
sive type weight will be applied.
• Press the adhesive type weight by 25 N (2.5
kgf, 5.6 lbf) or more per 5 g (0.18 oz) for 2 sec-
onds or more and attain full adhesion.
• Total application of the adhesive type weight
should be 120 g (4.23 oz) or less.
5) Using the wheel balancer, measure the wheel
balance again. Check that wheel balance is cor-
rectly adjusted.
B: INSPECTION
1) When a tire is replaced or worn, proper wheel
balance may be lost. Check the tire dynamic bal-
ance and repair if necessary.
2) When checking the dynamic balance, use the
wheel balancer. Insert the balance weights into the
top and the rear side of rim.
3) With some types of balancer, wheels may be
damaged. When adjusting the wheel balance, use
a proper balancer.
4) Use Subaru genuine balance weights.
NOTE:
• Balance weights are not available in 55 g (1.94
oz) size for aluminum wheels.
• Balance weights can be used for any 15 to 18-
inch wheels.
Service limit A:
Knock-on type weight for steel wheel:
2.0 mm (0.079 in)
Knock-on type weight for aluminum wheel:
5.0 mm (0.197 in)
(1) Knock-on type weight for aluminum wheel
(2) Knock-on type weight for steel wheel
(1) (2)
A
A
WT-00107