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EM-12 < BASIC INSPECTION > CAMSHAFT VALVE CLEARANCE BASIC INSPECTION CAMSHAFT VALVE CLEARANCE Inspection INFOID:0000000006289520 INSPECTION Check valve clearance if applicable to the following cases: Intake side: • At the removal and installation of VVEL ladder assembly or valve-related parts, or at the occurrence of mal- function (poor starting, idle malfunction, unusual noise) due to aged deterioration in valve clearance. CAUTION: Valve clearance check on the intake side is not required after replacing the VVEL ladder assembly & Exhaust side: • At the removal, installation, and replacement of exhaust camshaft or valve-related parts, or at the occur- rence of malfunction (poor starting, idle malfunction, unusual noise) due to aged deterioration in valve clear- 1. Remove VVEL actuator motor assembly. Refer to EM-36, "Removal and Installation" 2. Remove rocker covers (bank 1 and bank 2). Refer to EM-33, "Removal and Installation" 3. Remove VVEL actuator housing assembly. Refer to EM-36, "Removal and Installation" 4. Measure the valve clearance as per the following: clearance between camshaft (drive shaft) nose and valve lifter with ease. NOTE: is within the angle shown in the figure. • Refer to the figure for the insertion direction of the feeler gauge since the direction depends on the bank. Valve clearance : Refer to . A : Bank 2 B : Feeler gauge (commercial service tool) c : 45 degrees (drive shaft nose angle) D : View D : Insertion direction of feeler gauge on the bank 2 : Insertion direction of feeler gauge on the bank 1 JPBIA3485ZZ |