Gasket, cylinder-head cover

Gasket, cylinder-head cover

Cracking due to over-compression. Cylinder-head cover gaskets often give rise to complaints. Analysis of the concrete cases encountered clearly reveals: The problem is not caused by the gasket itself but rather by other factors.

 

Damage pattern:

 Damage pattern

Possible causes:

  • Excessive torque applied on tightening cylinder-head cover
  • Failure to comply with manufacturer's bolt tightening method
  • Distortion of cylinder-head cover
  • Defective isolation elements
  • Damage to fastening elements 

Consequences:

The high-grade elastomer or soft material of which the gasket is made cannot withstand the force applied and thus cracks. 

Action to be taken:

Heed the general fitting instructions of the engine manufacturers. Check the isolation and fastening elements as well as the cylinder head cover. 

 

 

 

Last modified onFriday, 13 February 2015 13:38
     

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