Underdrive Brake Inspection

1. Measure free length underdrive brake piston return spring. If necessary, replace.

   Underdrive brake piston return spring free length 

   Standard: 63.20 mm (2.49 in.) 

   NOTE: Do not apply excessive force when measuring spring height.
   Fig 1: Measuring Free Length Underdrive Brake Piston Return Spring

   Courtesy of SUZUKI OF AMERICA CORP.
2. Measure free length underdrive brake piston rod spring. If necessary, replace.

   Underdrive brake piston rod spring free length 

   Standard: 17.50 mm (0.68 in.) 

Fig 2: Measuring Free Length Underdrive Brake Piston Rod Spring

Courtesy of SUZUKI OF AMERICA CORP.

Reduction Drive Gear Assembly Operation Check 

Measure starting torque of reduction drive gear, using spring force gauge, attach cord at groove of outer race. If starting torque is out of specification, replace reduction drive gear assembly.

Starting torque of reduction drive gear 

0.3 - 0.8 N.m (0.03 - 0.08 kg-m, 0.22 - 0.58 lb-ft) 

Fig 3: Measuring Starting Torque Of Reduction Drive Gear

Courtesy of SUZUKI OF AMERICA CORP.