62  4. Balancing a Wheel  GSP9700 Series Road Force Measurement System Operation   
ForceMatching™ Procedures 
To correct road force by ForceMatching™: 
Rotate the tire road force high spot on the wheel to TDC, or with the hood in 
the raised position and the servo enabled, press “START.” Mark the tire with 
a piece of chalk or a marker at TDC. If desired, mark the tire with the 
ForceMatch Code. Refer to “Using ForceMatch Codes Feature,” page 64. 
NOTE:  When the wheel is rotated to TDC, the chalk will appear 
green on the console display and the tire ForceMatch Code 
will appear in the tire tread.   
 
 
 
 
TIRE 
 
 
 
FORCE VARIATION
HIGH SPOT MARK
 
 
 
 
INDIVIDUAL
 
 
 
RIM HIGH SPOTS
 
 
 
 
 
 
TIRE/WHEEL 
 
ASSEMBLY
 
 
 
FORCE VARIATION
 
HIGH SPOT
 
 
 
 
 
TIRE
 
 
 
FORCEMATCH CODE
 
Rotate the rim low spot on the wheel to TDC, or with the hood in the raised 
position and the servo enabled, press “START.” Mark the rim with a piece of 
chalk or a marker at TDC. If desired, mark the rim with the ForceMatch Code. 
Refer to “Using ForceMatch Codes Feature,” page 64. 
NOTE:  When the wheel is rotated to TDC, the chalk will appear 
green on the console display and the rim ForceMatch Code 
will appear between the rim lips.   
 
 
RIM 
FORCEMATCH CODE 
 
RIM  AVERAGE 
LOW SPOT