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EM-66 < ON-VEHICLE REPAIR > [QR25DE] CYLINDER HEAD 7. Install valve collet using Tool. • Compress valve spring with valve spring compressor. Install valve collet with magnet hand. • Tap stem edge lightly with plastic hammer after installation to check its installed condition. 8. Install valve lifter. hole. b. Apply liquid gasket all around on spark plug tube with a 12 mm (0.47 in) width from edge of spark plug tube on the press fit side. • Use Three Bond or equivalent. Refer to mended Chemical Products and Sealants" c. Press fit spark plug tube so that height is to (H) as shown. CAUTION: • When press fitting be careful not to deform spark plug tube. • After press fitting, wipe off any protruding liquid gasket on top surface of cylinder head. 10. Install spark plug using suitable tool. Inspection After Disassembly INFOID:0000000004211258 CYLINDER HEAD DISTORTION 1. Wipe off oil and remove water scale deposits, old gasket, old sealer, and carbon with a scraper. CAUTION: Use care not to allow gasket debris to enter passages for oil or water. 2. At each of several locations on bottom surface of cylinder head, measure distortion in six directions. VALVE DIMENSIONS Check dimensions of each valve. Refer to . VALVE GUIDE CLEARANCE • Measure diameter of valve stem using suitable tool (A) as shown. • Measure inner diameter of valve guide with a bore gauge as shown. Tool number : KV10116200 (J-26336-B) Press fit height (H) standard value : 41.7 mm (1.642 in) PBIC2713E Limit : 0.1 mm (0.004 in) PBIC0075E Standard : 5.965 - 5.980 mm (0.2348 - 0.2354 in) Exhaust : 5.955 - 5.970 mm (0.2344 - 0.2350 in) AWBIA0068ZZ |