Toyota Supra 1990 Manual page 56

EM-24 ENGINE MECHANICAL - Timing Belt
EM3004
EM2904
EM2905
(a) Loosen the idler pulley bolt and shift it left as far as
it will go with a screwdriver and wrench.
(b) Temporarily tighten the set bolt and then relieve the
timing belt tension.
(c) Remove the belt from the camshaft timing pulleys.
HINT:
• Support the belt so the meshing of the crankshaft tim-
ing pulley and timing belt does not shift.
• Be careful not to drop anything inside the timing belt
cover.
• Do not allow the belt to come into contact with oil, water
and dust.
10. REMOVE CAMSHAFT TIMING PULLEYS
Using SST to hold the pulley, remove the pulley bolt, tim-
ing pulley and match pin.
SST 09278-54012
HINT: Place the matchmarks on the camshaft timing pul-
ley where the straight pin inserted.
NOTICE: Do not make use of the timing belt tension when
removing and installing the pulley bolts.
11. REMOVE CRANKSHAFT PULLEY
(a) Using SST to hold the crankshaft pulley, loosen the
pulley bolt.
SST 09213- 700 10 and 09330-00021
(b) Remove SST and pulley bolt.
(c) Using SST, remove the pulley.
SST 09213-31021
12. REMOVE PS AIR PIPE