Measure the inside diameter of the brake drum.
Check the runout of the brake drum by using a dial indicator.
Inside diameter mm (in.)
Standard value :
180(7)-without ABS, 203.2(8)-with ABS
Service limit :
182(7.165)-without ABS, 205.2(8.079)-with ABS
Out-of-round (brake drum) mm (in.)
Service limit : 0.05 (0.002)
Measure the brake shoe lining thickness.
Lining thickness mm (in.)
Standard value : 5.14 (0.202)
Service limit : 1 (0.0394)
Inspect the brake lining and drum for proper contact.
Inspect the wheel cylinder outside for excessive wear and damage.
Inspect the backing plate for wear or damage.