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Valve Seat Cut Opel Antara I

DOHC Petrol Engine 1 illustration

Valve Seat Cut

  1. Place the cylinder head on wooden blocks.
  2. Cut the intake and the exhaust valve seats using the guide drift KM-340-7 as follows :
  3. Clean the chippings from the cylinder head.
  4. Inspect the dimension for the valve seat width.
  5. Inspect the assembly height of the intake valves and the exhaust valves. If the dimension is exceeded, install new valves. Inspect the assembly height again. If the valve assembly height is still too large despite replacing the valves, replace the cylinder head.

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