RAV4 4-Door 4WD L4-2.0L (3S-FE) (1997)
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(b) Using a dial indicator, measure the thrust clearance while moving the camshaft back and forth.
Standard thrust clearance:
Intake: 0.045 - 0.100 mm (0.0018 - 0.0039 inch)
Exhaust: 0.030 - 0.085 mm (0.0012 - 0.0033 inch)
Maximum thrust clearance:
Intake: 0.12 mm (0.0047 inch)
Exhaust: 0.10 mm (0.0039 inch)
If the thrust clearance is greater than maximum, replace the camshaft. If necessary, replace the bearing caps and cylinder head as a set.
8. Inspect camshaft gear backlash.
(a)
Install the camshafts without installing the exhaust cam sub-gear. See: Cylinder Head Assembly/Service and Repair
(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 maximum, replace the camshafts.