Secure needle bearing and roller housing in transmission cover with peen

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Fig 1: Secure Needle Bearing And Roller Housing In Transmission Cover With Peen

Courtesy of VOLKSWAGEN UNITED STATES, INC.

To peen, use blunt center punch with ball-shaped end (ball dia. 5 mm).
Needle bearings - 1 - or roller sleeves - 2 - are secured with three peen marks each on the circumference every 120°- arrow A - or - arrow B -.

Observe position and dia. of peening points:

Dimension - a - = 2 mm
Dimension - b - = 3 mm