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Connecting Rod Nuts - Incorrectly Made

90porsche08 May 8, 1990
Subject: Connecting Rod Nuts

Incorrectly Made
Model Group

9445 928 1

Part Identifier Number

1340 9014
ATTENTION: Service Manager/Service Technician

Models Affected: 924S, 944, S, S2, Turbo, 928, S, S4, GT

Concern: Connecting rod nuts supplied as spare parts may be improperly manufactured. The threads of the nut may not have been cut at right angles to the nut contact surface. If installed, the tightening torque of these nuts may reduce over time.

Important: All connecting rod nuts must be checked for proper seating prior to installation in an engine. All connecting rod assemblies supplied as spare parts must be disassembled and the nuts checked in the same manner.

Parts Information: Rod Nut: PN 928 103 172 02
Connecting Rod: PN 944 103 008 00102
Connecting Rod: PN 944 103 001 00/01
Connecting Rod: PN 928 103 006 00
Connecting Rod: PN 928 103 008 00
Connecting Rod: PN 928 103 014 02

Figure A:




Work Procedure: Using a connecting rod assembly (without rod nuts) thread the connecting rod nut onto the rod bolt. At the point when the rod nut begins to contact the rod cap, check for tilting of the contact surface of the nut (see Figure A).