1997 Honda Odyssey Owner's Manual - Page 169

Drive Belts, Timing Belt Drive Belts POWER STEERING BELT Alternator belt: 0.31 - 0.41 in(8.0 - 10.5 mm) Power steering belt: 0.51 - 0.63 in(13.0 - 16.0 mm) If you see signs of wear or looseness, have your dealer adjust or replace the belts. 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). 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. Maintenance