Toyota Celica Supra 1986 Service And Repair Manual page 31

ENGINE MECHANICAL - Timin9 Belt
EM-9
IN
EX IN
~r«
Align Match
\()V~~-
•
~~~d<~~~:~
9
t .WIU7
(f)
Loosen the idler pulley set bolt stretch the timing belt.
(g) Tight en the idler pulley set bolt.
Torque: 500 kg-em (36ft-lb. 49 N•m)
NOTE: M ake sure that the liming belt tension at A is equal
to that at B . If not, retighten the idler pulley set bolt .
{h) Turn the crankshaft clockwise two times and set the
No. 1 cylinder to TOC/eompression.
NOTE: Recheck the timing belt tension.
(i)
Recheck the cemshah timing pulley marks.
B. CHECK MATCH HOLE
OF
CAMSHAFT
(a} Clean the camshaf t match holes with compressed air.
(b) Align the match hole of the camshaft w ith that of the
camshaft housing by turning the crankshaft pulley.
{c) After alignment, make a note of the crankshaft pul·
ley angle on the No. 1 timing belt cover.
NOTE: Match hole alignment should
be
done separately
for tho IN and EX sides.
If the crankshaft pulley angle is w ithin TOC
+
5 °. it is
correct.
If it exceeds TOC
±
5°,
proceed to step
9.
9. ADJUSTMENT OF CAMSHAFT MATCH HOLES
(a) Using SST to hold the camshaft timing pulley, remove
the pulley set bolt.
SST 09278·5401 2
CAUTION: Oo not make use of the liming beh tenolon
when loosening the
bolt.