Identification data for K-series engines located on the cylinder block (1).
The quality class is indicated on the bolt at the point (1) or (2).
Tightening torques for standard bolts
Peculiarities «masses»
The purpose of the bolted connection
The retention of the connection is ensured by the tension created by the bolt when tightened.
M4R engine identification
Identification data for K-series engines
Note.
- If the tension is reduced, the connection may come apart.
- With increased tension, the parts to be joined may be deformed, and the bolt may break.
Tightening pattern:
3 - bolts;
4 - connected elements;
5 - bolt extension;
6 - loose connection;
7 - tightened connection;
X1 - shrinkage of the connection;
Fo - voltage;
C - tightening torque