TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.050

EM/Engine Mechanical — Clean Cylinder Head, page 51

51 / 139
p.052
Clean Cylinder Head — MK4 Supra Engine Mechanical, page 51
100%
Page text (OCR transcript)
(b) Using a gasket scraper, remove all the gasket material from
the top surface of the cylinder block.
(c) Using compressed air, blow carbon and oil from the bolt
holes.
CAUTION: Protect your eyes when using high pressure com-
pressed air.

2. CLEAN CYLINDER HEAD
A. Remove gasket material
Using a gasket scraper, remove all the gasket material from
the cylinder block surface.
NOTICE: Be careful not to scratch the cylinder block contact
surface.

B. Clean combustion chambers
Using a wire brush, remove all the carbon from the combus-
tion chambers.
NOTICE: Be careful not to scratch the cylinder block contact
surface.

C. Clean valve guide bushings
Using a valve guide bushing brush and solvent, clean all the
guide bushings.

D. Clean cylinder head
Using a soft brush and solvent, thoroughly clean the cylinder
head.