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EM-42 < ON-VEHICLE REPAIR > [QR25DE] CAMSHAFT 12. Remove camshaft sprockets with the following procedure. CAUTION: • Do not rotate the crankshaft or camshaft while the timing chain is removed. It causes interference between valve and piston. NOTE: • Chain tension holding work is not necessary. Crankshaft sprocket and timing chain do not disconnect structurally while front cover is attached. a. Line up the mating marks on camshaft sprockets with the yellow links in the timing chain, and paint an indelible mating mark on the sprocket and timing chain link plate. b. Push in the tensioner plunger and hold. Insert a stopper pin into the hole on tensioner body to hold the chain tensioner. Remove the timing chain tensioner. • Use a wire with 0.5 mm (0.02 in) diameter for a stopper pin. c. Secure the hexagonal part of camshaft with a suitable tool. Loosen the camshaft sprocket mounting bolts and remove the camshaft sprockets. 13. Loosen the camshaft bracket bolts in the order as shown, and remove the camshaft brackets and camshafts. • Remove No.1 camshaft bracket by slightly tapping it with a rubber mallet. 14. Remove the valve lifters. • Check mounting positions, and set them aside in the order removed. INSPECTION AFTER REMOVAL Camshaft Runout 1. Put the camshaft on a V-block supporting the No.2 and No.5 journals. 2. Set the dial gauge vertically on the No.3 journal. shaft runout on the dial gauge total indicator reading. Camshaft Cam Height KBIA0049E KBIA0048E WBIA0028E Standard : Less than 0.04 mm (0.0016 in) PBIC0038E |