4G6 ENGINE <1992> - Camshafts and Rocker Arms - DOHC
I)64 INSTALLATION OF CAMSHAFT (1) Apply engine oil to journals and cams of the camshafts. (2) Install the camshafts on the cylinder head. Use care not to confuse the intake camshaft with the exhaust one. The intake camshaft has a slit on its rear end for driving the crankshaft position sensor.
Camshaft sprocket side
Intake side camshaft
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(3) Install the crankshaft sprocket B or spacer and flange to an end of the crankshaft, and turn the crankshaft until the timing marks are lined up, setting No. 1 cylinder to the TDC. (4) Set the camshafts so that their dowel pins are positioned at top.
Dowel pin
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I)c4 BEARING CAP INSTALLATION
Cap number Symbol identifying intake or exhaust
(1) According to the identification mark stamped on top of each bearing cap, install the caps to the cylinder head. Only “L” or “R” is stamped on No. 1 bearing cap. Cap No. is stamped on No. 2 to No. 5 bearing caps. No. 6 bearing cap has no stamping. I: For intake camshaft side E: For exhaust camshaft side
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(2) Tighten the bearing caps in the order shown by torquing progressively in two to three stages. Tighten to the specification in the final sequence. (3) Check to ensure that the rocker arm is held in position on the lash adjuster and valve stem end.
- Camshaft sprocket side
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I)D4 CAMSHAFT OIL SEAL INSTALLATION
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