Low-Reverse Brake: Reassembly

Install low-reverse brake piston. Install spring and retainer assembly. Compress spring and retainer assembly enough to install snap ring. Install clutch plates in alternate order, beginning with drive plate. Install retaining plate and snap ring.
Measure clearance between retaining plate and snap ring. See Fig 1 . Adjust clearance by selective snap rings or retainer plates. Clearance should be .059-.071" (1.50-1.80 mm). Adjust clearance by installing selective retaining plate. Retaining plates range in thickness from .276" (7.0 mm) to .291" (7.4 mm) in .008" (.20 mm) increments.

Fig 1: Measuring Low-Reverse Clutch Clearance

Courtesy of MAZDA MOTORS CORP.