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EM-56 < ON-VEHICLE REPAIR > [QR25DE] CAMSHAFT • Measure the following parts if out of the standard. - Dimension “B” for cylinder head No. 1 journal bearing • Use the standards above, and then replace camshaft and/or cylinder head, if necessary. Camshaft Sprocket Runout 1. Put V-block on precise flat table, and support No. 2 and 5 journals of camshaft. CAUTION: Do not support No. 1 journal (on the side of camshaft sprocket) because it has a different diameter 2. Measure the camshaft sprocket runout with a dial indicator. • If it exceeds the limit, replace camshaft sprocket. Valve Lifter Check if surface of valve lifter has any wear or cracks. Valve Lifter Clearance VALVE LIFTER OUTER DIAMETER VALVE LIFTER HOLE DIAMETER Standard : 25.800 - 25.848 mm (1.0157 - 1.0176 in) Standard : 25.660 - 25.685 mm (1.0102 - 1.0112 in) KBIA2426J Limit : 0.15 mm (0.0059 in) PBIC0930E KBIA0182E Standard : 33.965 - 33.980 mm (1.3372 - 1.3378 in) JEM798G |