toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Sensors and Switches - Engine > < Valve Guide Seal|Service and Repair
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NOTE:  Different bushings are used for the intake and exhaust.

(e) Gradually heat the cylinder head to 80 - 100° C (176-212° F).

(f) Using SST and a hammer, tap in a new guide bushing to the specified protrusion height.

Protrusion height:

Intake: 11.5 - 11.3 mm (0.437 - 0.453 inch)
Exhaust: 8.9 - 9.3 mm (0.350 - 0.366 inch) 

(h) Using a sharp 5.5 mm reamer, ream the guide bushing to obtain the standard specified clearance between the guide bushing and valve stem.

Sensors and Switches - Engine > < Valve Guide Seal|Service and Repair