Diagnosis And Testing - Cylinder Head Gasket Failure: Notes

A cylinder head gasket leak can be located between adjacent cylinders or between a cylinder and the adjacent water jacket.

• Possible indications of the cylinder head gasket leaking between adjacent cylinders are:
  • Loss of engine power
  • Engine misfiring
  • Poor fuel economy
• Possible indications of the cylinder head gasket leaking between a cylinder and an adjacent water jacket are:
  • Engine overheating
  • Loss of coolant
  • Excessive steam (white smoke) emitting from exhaust
  • Coolant foaming