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Home >> Mercedes Benz >> 1995 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 73 (Rear Axle - 140 Chassis) >> Testing & Repair >> Replace radial sealing ring at drive pinion gear (with rear axle differential installed) - AR35.31-P-0530A >> Secure twelve-point and hexagon collar nut on drive pinion joint flange - AR35.31-P-0530-01B

Secure twelve-point and hexagon collar nut on drive pinion joint flange - AR35.31-P-0530-01B

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REFER TO SHOP-MADE TOOLS Chisel for securing collar nut on joint flange WF58.50-P-3531-01A

IMPORTANT Do not subject to hard axial blows.

  1. Use a caulker to caulk the twelve-point collar nut or hexagon nut with collar (40) into one of the two grooves of the drive pinion gear so that there is no longer a gap between the groove and the locking tabs.

Shown on 198 mm dia. rear axle center assembly 

Fig 1: Identifying Twelve-Point And Hexagon Collar Nut On Drive Pinion Joint Flange - Shown On 198 Mm Dia. Rear Axle Center Assembly
G04636323Courtesy of MERCEDES-BENZ OF NORTH AMERICA.