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4.8. Check of a condition of a chain of the GRM drive on the M628 engine

M628 engine GRM drive chain pulling degree assessment



 PERFORMANCE ORDER

  1. Degree of a pulling of a chain of the GRM drive can be determined indirectly by the provision of a pulley (2) belts of the drive of auxiliary units on the inlet camshaft (1).
  2. Uncover the right head of cylinders (see illustrations of the Detail of installation of covers of heads of cylinders of the M682 engine (1 of 2) and Details of installation of covers of heads of cylinders of the M682 engine (2 of 2)).
  3. Take off a belt of the drive of auxiliary units (see the Section Replacement of a Belt of the Drive of Auxiliary Units and Elements of the Mechanism of Its Tension).
  4. Turn the engine in the normal direction (shooter) so that the inlet camshaft (1) could be blocked a core (4), - fill a core.
  5. If the pulley (2) belts of the drive of auxiliary units at the blocked shaft (1) is displaced more than on 11 ° after VMT of rather adjusting tag (3) (see the scale applied on a pulley), the gas-distributing chain should be replaced.
  6. Installation is made upside-down.