2000 TOYOTA CAMRY Service Repair Manual

Page 105 of 4770

TOYOTA CAMRY 2000  Service Repair Manual CYLINDER HEAD COMPONENTS
INSPECTION, CLEANING AND REPAIR
1. CLEAN TOP SURFACES OF PISTONS AND
CYLINDER BLOCK
(a) Turn the crankshaft, and bring each piston to top dead
center (TDC). Using a gasket scr

Page 106 of 4770

TOYOTA CAMRY 2000  Service Repair Manual 3. INSPECT CYLINDER HEAD
A. Inspect for flatness
Using a precision straight edge and thickness gauge,
measure the surfaces contacting the cylinder block
and the manifolds for warpage.
Maximum warpage:

Page 107 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (c) Subtract the valve stem diameter measurement from
the guide bushing inside diameter measurement.
Standard oil clearance:
 Intake
       0.025 ± 0.060 mm (0.0010 ± 0.0024 in.)
Exhaust
       0.03

Page 108 of 4770

TOYOTA CAMRY 2000  Service Repair Manual 6. IF NECESSARY, REPLACE VALVE GUIDE
   BUSHINGS
(a) w/ Snap Ring:
Insert an old valve wrapped with tape into the valve
guide bushing, and break off the valve guide bushing
by hitting it with a hammer

Page 109 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (c) Check the valve head margin thickness.
Standard margin thickness:
0.8 ± 1.2 mm (0.031 ± 0.047 in.)
Minimum margin thickness:
0.5 mm (0.020 in.)
If the margin thickness is less than minimum, repl

Page 110 of 4770

TOYOTA CAMRY 2000  Service Repair Manual (d) Check the valve overall length.
Standard overall length:
Intake
     97.60 mm (3.8425 in.)
Exhaust
     98.45 mm (3.8760 in.)
Minimum overall length:
Intake
      97.1 mm (3.823 in.)
Exhaust

Page 111 of 4770

TOYOTA CAMRY 2000  Service Repair Manual wIf blue appears 360 around the valve seat, the
guide and face are concentric. If not, resurface
the seat.
wCheck that the seat contact is in the middle of the
valve face with the following width:
1.

Page 112 of 4770

TOYOTA CAMRY 2000  Service Repair Manual B. Inspect cam lobes
Using a micrometer, measure the cam lobe height.
Standard cam lobe height:
Intake
     42.01 ± 42.11 mm (1.6539 ± 1.6579 in.)
Exhaust
     40.06 ± 40.18 mm (1.5772 ± 1.5811 In