- Position key groove in crankshaft upwards with number one piston at TDC. Position oil pump shaft key upwards. Assemble lower timing chain on crankshaft and oil pump shaft sprockets aligning marks on chain with marks on sprockets.
- Install sprockets and chain assembly on shafts together.
NOTE:
Do not force oil pump drive sprocket or plug at rear of oil pump drive shaft may be loosened.
- Install lower chain guide and engine front cover gasket. Install upper and lower chain tensioners.
NOTE:
Three chain tensioner bolts have oil holes and must be installed in proper location.
- Install camshaft drive gear and tighten bolt. Align marks on upper timing chain with mark on camshaft drive gear and install chain. Install front engine cover.
NOTE:
Use seal washer and apply liquid sealer on threads of upper right bolt used to attach cover.
- Install crankshaft pulley and tighten bolt. Install camshaft. See CAMSHAFT INSTALLATION . Align mark on timing chain with dowel pin hole on camshaft sprocket. Position camshaft with stamped mark and dowel pin upward and install sprocket to camshaft. Reverse removal procedure for remaining components.
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002