T100 SR5 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1998)
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b. Place the plate between the pistons and insert a pad at one side.
c. Use compressed air to remove the pistons alternately from the cylinder.
CAUTION: Do not place your fingers in front of the pistons when using compressed air.
3. Remove piston seals.
Remove Piston Seals
Using a screwdriver, remove the 4 seals from the cylinder.
INSPECTION
1. Measure pad lining thickness.
Measure Pad Lining Thickness
Using a ruler, measure the pad lining thickness.
Standard thickness: 9.5 mm (0.374 inch)
Minimum thickness: 1.0 mm (0.039 inch)
Replace the pad if the thickness is less than the minimum (the 1.0 mm slit is no longer visible), or if it shows signs of uneven wear.
2. Measure disc thickness.
Using a micrometer, measure the disc thickness.