Tacoma 2WD V6-4.0L (1GR-FE) (2006)
11. ADJUST VALVE CLEARANCE
a. Set No. 1 cylinder to TDC/compression.
(1) Turn the crankshaft pulley until its groove and the timing mark 0 of the timing chain cover are aligned.
(2) Check that the timing marks of the camshaft timing gears are aligned with the timing marks of the bearing cap as shown in the illustration.
If not, turn the crankshaft 1 complete revolution (360°) and align the timing marks as above.
(3) Place paint marks on the No. 1 chain links corresponding to the timing marks of the camshaft timing gears.
b. Remove the chain tensioner assembly No. 1.
c. Remove the No. 2 camshaft.
d. Remove the chain tensioner assembly No. 2.
e. Remove the camshaft.
f.
Remove the No. 4 camshaft sub-assembly.
g. Remove the chain tensioner assembly No. 3.
h. Remove the No. 3 camshaft sub-assembly.
i.
Remove the valve lifters.