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CYLINDER HEAD AND VALVES ENGINE OVERHAUL <4G1> 11D-36 8. Give another 90 ° turn in the tightening direction to each bolt, making sure that the paint mark on the INSPECTION M1113007000873 CYLINDER HEAD 1. Before cleaning the cylinder head, check it for traces of water and gas leakage and for cracks 2. Thoroughly remove oils, scale, sealants, carbon and other contamination. Clean the oil passages, AK202724 3. Check the cylinder head gasket surface for warp using a straightedge and thickness gauge. CAUTION The thickness of the metal that can be removed Gasket surface warp Standard value: 0.03 mm or less Cylinder head height (standard value for new part): 131.9 − 132.1 mm VALVES 1. Check the valve face for correct contact with the seat. Reface the valve if the contact is partial or AK300593AB Margin Contact 2. Measure the margin. Replace the valve if its margin is smaller than the Standard values: Intake 1.0 mm Limits: Intake 0.5 mm AK304590AB Total length 3. Measure the total length of the valve. Replace the valve if the length is less than the Standard values: Intake 106.35 mm Limits: Intake 105.85 mm Main Index Group TOC |