LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 1994 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (Crank Assembly - 140 Chassis) >> Testing & Repair >> Checking connecting rod bolts - AR03.10-P-6111-01AW

Checking connecting rod bolts - AR03.10-P-6111-01AW

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.
INSPECTION DATA OF CONROD BOLTS

Number Designation Engine 601, 602 except 602.98, 603 except 603.970 up to 11/90 603.970 up to 8/90 Engine 601, 602 except 602.98, 603 except 603.970 as of 12/90 - 10/92 603.970 as of 9/90 - 10/92 Engine 601, 602 except 602.98, 603 as of 11/92
BE03.10-P-1001-03C Conrod bolt (straight stretch shank) Thread Ø   M - 9X1 9X1
Length (L) when new mm - 51.7 51.7
max. mm - 52.9 52.9
Stretch shank Ø New mm - 8.5 -
min. mm - 8.2 -
  See figure   - AR03.10-P-6111-01AW  AR03.10-P-6111-01AW 
BE03.10-P-1002-03C Conrod bolt (stretch bolt) Thread Ø   M 9X1 - -
Length (L) when new mm 51.7 - -
max. mm - - -
Stretch shank Ø New mm 7.3 - -
min. mm 7.1 - -
  See figure   AR03.10-P-6111-01AW  - -
  1. Inspect minimum stretch shank Ø (c) or length (L). If the measurement obtained is less than the minimum stretch shank Ø or greater than the maximum length, replace conrod bolt.

NOTES Only conrod bolts of the same type must be fitted to an engine because of the different weight.

Fig 1: Identifying Connecting Rod Bolts Length
G05438214Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Stretch shank bolt installed, engine 603.970 up to 08/1990, engine 601, 602, 603 except 603.970 up to 11/1990 

Straight stretch shank bolt installed 

as of 09/1990 in engine 603.970 up to 10/1992 

as of 12/1990 in engines 601, 602, 603 except 603.970 up to 10/1992 

Fig 2: Identifying Connecting Rod Bolts Length
G05438215Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Straight stretch shank bolt installed as of 11/1992 

Fig 3: Identifying Shank Length
G05438216Courtesy of MERCEDES-BENZ OF NORTH AMERICA.