Replacing Valve Guide in Celica Supra L6-2759cc 5M Ser (1982) Cylinder Head Assembly
Valve Guide: Service and Repair
Break Off The Valve Guide Bushing
1. Using a suitable tool and hammer, strike valve guide bushing to break it off at cylinder head casting.
2. Remove the snap ring. Heat cylinder head to 176-212°F (80-100°C).
Drive Out The Guide From The Cylinder Head
3. Using suitable valve guide removal tool, tap out bushing.
Measure Cylinder Head Bore After Head Cools Down
4. After the cylinder head has cooled to room temperature measure the cylinder head bore.
Bushing Replacement Table
5. Install the proper bushing as indicated in the table. If the cylinder head bore is more than 0.5224 in. (13.027 mm) then machine the bore to
0.5314-0.5385 in. (13.050-13.068 mm).