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EM-56 < REMOVAL AND INSTALLATION > [HR16DE] TIMING CHAIN a. Install the crankshaft sprocket (1), the oil pump drive chain (2), and the oil pump sprocket (3) at the same time. • Install the crankshaft sprocket so that its invalid gear area (A) is toward the back of the engine. • Install the oil pump sprocket so that its protrusion faces the front of engine. NOTE: There is no matching mark in the oil pump drive related parts. b. Hold the top of the oil pump shaft using the socket (size: E8), and then tighten the oil pump sprocket nut. c. Install oil pump drive chain tensioner (1). • Insert the body into the shaft (B) while inserting the spring into the attaching hole (A) of cylinder block front surface. • Check that the tension is applied to the oil pump drive chain after installing. 2. Install timing chain: • Install by aligning matching marks on each sprocket and tim- ing chain. • If these matching marks are not aligned, rotate the camshaft slightly to correct the position. CAUTION: • After the matching marks are aligned, keep them aligned by holding them. • To avoid skipped teeth, do not rotate crankshaft and cam- shaft until front cover is installed. : Engine front JPBIA5248ZZ (1) : Crankshaft sprocket JPBIA4230ZZ JPBIA4143ZZ (A) : Matching mark (Peripheral groove) JPBIA4144ZZ |