Deflection Method

Inspection 

1. Apply a force of 98 N (10 kgf, 22 lbf), and measure the deflection at the mid-point (A) between the A/C compressor (alternator for without A/C compressor) and crankshaft pulley. If the belt is worn or damaged, replace it. If the belt needs adjustment, Go to step  2.

   Deflection 

   With A/C: 

   • Used Belt: 5.5-8.5 mm (0.22-0.33 in.) 
   • New Belt: 3.5-5.0 mm (0.14-0.20 in.) 

   Without A/C: 

   • Used Belt: 7.5-10.5 mm (0.30-0.41 in.) 
   • New Belt: 4.5-6.0 mm (0.18-0.24 in.) 

   With A/C 

   Fig 1: Measuring Belt Tension Deflection - With A/C

   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Without A/C 

   Fig 2: Measuring Belt Tension Deflection - Without A/C

   Courtesy of AMERICAN HONDA MOTOR CO., INC.

   Adjustment 

2. Loosen the lock bolt (A) and the mounting bolt (B).
   Fig 3: Lock Bolt, Mounting Bolt And Adjusting Bolt With Torque Specifications

   Courtesy of AMERICAN HONDA MOTOR CO., INC.
3. Turn the adjusting bolt (C) to obtain the proper belt tension, then retighten the lock bolt and the mounting bolt.
4. Recheck the belt tension.