Tacoma PreRunner Reg Cab 2WD L4-2.7L (3RZ-FE) (1999)
c. Using vernier calipers, measure the timing gear and timing sprocket diameter with the chain.
NOTICE: Vernier calipers must contact the chain rollers for measuring.
Minimum gear diameter (w/ chain):
Camshaft: 113.8 mm (4.480 inch)
Crankshaft: 59.4 mm (2.339 inch)
3RZ-FE:
Balance shaft: 75.9 mm (2.988 inch)
Minimum sprocket diameter (w/ chain):
3RZ-FE:
No.2 crankshaft: 96.7 mm (3.807 inch)
If the diameter is less than minimum, replace the chain, gears and sprocket.
2. INSPECT CHAIN TENSIONER SLIPPER AND VIBRATION DAMPERS
Measure the chain tensioner slipper and vibration damper wears.
Maximum wear: 1.0 mm (0.039 inch)
If the wear is greater than maximum, replace the slipper and/or dampers.