Reaming out base bore to repair size I - AR05.30-P-3731-04AO

WARNING: This page does not describe the selected car, but rather 42 other vehicles, including the 1999 Mercedes-Benz S600, 1999 Mercedes-Benz S500, 1999 Mercedes-Benz S420, 1999 Mercedes-Benz S320, and 1999 Mercedes-Benz CL600. However, it is still accessible from the selected car via links, so may be relevant.

TEST VALUES FOR VALVE GUIDES

Number	Designation			Engine 120 bright metal valve guide (1st version)	Engine 120 centered metal valve guide (2nd version)
BE05.30-P-1001-02B	Valve guide basic bore in cylinder head	Standard size	mm	13.5...13.51	12.5...12.51
		Standard size I	mm	13.53	12.53
		Repair size I	mm	13.70	12.70

Fig 1: Identifying Guide Sleeve (119 589 05 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying Broaching Tool (119 589 01 53 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 3: Identifying Guide Sleeve (104 589 01 63 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 4: Identifying Broaching Tool (104 589 01 53 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Insert guide sleeve (9) with broaching tool (8) into basic bore of bucket tappet.
Press through broaching tool (8).
Lubricate with petroleum during this step. Clean broaching tool (8)with compressed air or plastic brush after each broaching operation.

Use an appropriate aluminum drift as an extension for pressing through broaching tool (8) in the area of the guide sleeve (9).

Fig 5: Identifying Broaching Tool And Guide Sleeve
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.