T100 Extra Cab Pickup 4WD V6-3.4L (5VZ-FE) (1997)
(b) Using a dial indicator, measure the backlash.
Standard backlash: 0.020 - 0.200 mm (0.0008 - 0.0079 inch)
Maximum backlash: 0.30 mm (0.0188 inch)
If the backlash is greater than the maximum, replace the camshafts.