Inspection, Cleaning And Repair Of Cylinder Head Components; Clean Top Of Pistons And Top Of Block; Remove Gasket Material; Clean Combustion Chambers - Toyota 1PZ Repair Manual

ENGINE MECHANICAL
INSPECTION, CLEANING AND REPAIR OF
CYLINDER HEAD COMPONENTS
1.

CLEAN TOP OF PISTONS AND TOP OF BLOCK

(a) Turn the crankshaft and bring each piston to top dead
center (TDC). Using a gasket scraper, remove all the
carbon from the piston top.
(b) Remove all the gasket material from the top of the
cylinder block.
NOTICE: Be careful not to scratch the surfaces.
(c) Using compressed air, blow carbon and oil from the
bolt holes.
CAUTION: Protect your eyes when using high pres-
sure air.
2.

REMOVE GASKET MATERIAL

Using a gasket scraper, remove all the gasket material from
the manifold and cylinder head surface.
NOTICE: Be careful not to scratch the surfaces.
3.

CLEAN COMBUSTION CHAMBERS

Using a wire brush, remove all the carbon from the com-
bustion chambers.
NOTICE: Be careful not to scratch the head gasket
contact surface.
4. CLEAN VALVE GUIDE BUSHINGS
Using a valve guide bushing brush and solvent, clean all
the guide bushings.
5. CLEAN CYLINDER HEAD
Using a soft brush and solvent, thoroughly clean cylinder
heads.
Cylinder Head
EM-63