Honda 1997 Prelude Owner's Manual page 168

Drive Belts
POWER STEERING BELT
ALTERNATOR BELT
Check the condition of the two drive
belts. Examine the edges of each
belt for cracks or fraying.
Check the tension of each belt by
pushing on it with your thumb
midway between the pulleys.
The belts should have the following
"play" or deflection.
Alternator belt:
0.37— 0.49 in (9.5 — 12.5 mm)
Power steering belt:
0.53 — 0.65 in (13.5 — 16.5 mm)
If you see signs of wear or looseness,
have your dealer adjust or replace
the belts.
Drive Belts, Timing Belt
Timing Belt
The timing belt and balancer belt
should normally be replaced at the
intervals shown in the maintenance
schedule.
Replace these belts at 60,000 miles
(U.S.) or 100,000 km (Canada) if you
regularly drive your car in one or
more of these conditions:
In very high temperatures
(over 110°F, 43°C).
In very low temperatures
(under — 20°F, — 29°C).
Maintenance