Toyota 2H Repair Manual page 68

E M · 5 8
Cylinder block side
f 2 H ]
Intake M a n i fold side
[1 2 H -T]
I n l a k e M a n i f old side
E x hausl M a nifold side
6.
E N G I N E M E C H A N I C A L -
I N S PECT C Y L I N D E R H E A D FOR FLAT N E S S
Using a precision stra i g h t e d g e a n d feeler g a uge, measure
the surfaces contacting the cylinder block and m a n i f o l d s
for warpage.
M a x imum warpag e :
C v l i nder block s i d e
Man ifold side
If warpage is greater than maximum, replace the head.
c ck
7. I N S PECT C Y L I N D E R H E A D FOR C R A C K S
Using
i n t a ke and e x h a u s t porls, head su rface and the top o f the
head fOf crac ks.
I f ra
C y
linder Head
0 . 2 0 mm (0.0079 in.l
0.20 m m (0.0079 in.)
a
dye penetra n t , che ck the c o m b u s t i o n cham ber,
ed, replace t h e h e a d .