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Home › Mazda › 2002 › B4000 Base, Standard › Repair and Diagnosis › Engine Mechanical › Engine Mechanical - Overhaul › Cylinder Head Disassembly/Assembly › Disassembly Note

Disassembly Note

  1. Remove the spark plugs.
  2. Using Valve Spring Compressor SST 303-581 or equivalent, remove the camshaft roller followers.
    Fig 1: Removing Camshaft Roller Followers
    G02821315Courtesy of MAZDA MOTORS CORP.
  3. Using Valve Spring Compressor SST  303-581 or equivalent, remove the valve spring retainer keys, the valve spring and the retainer.
    Fig 2: Removing Valve Spring Retainer Keys, Valve Spring & Retainer
    G02821318Courtesy of MAZDA MOTORS CORP.
  4. Remove the valve.
  5. Repeat the procedure until all of the valves are removed.
  6. Remove the valve stem seals.
    7. NOTE:
    • Mark the positions of the camshaft bearing caps so they can be installed in the original position.
    Fig 3: Camshaft Bearing Cap Bolt Removal Sequence
    G02821319Courtesy of MAZDA MOTORS CORP.
  7. Remove the bolts in the sequence shown and remove the camshaft bearing caps.
  8. Remove the camshaft.
    Fig 4: Removing Camshaft
    G02821320Courtesy of MAZDA MOTORS CORP.
  9. Inspect the cylinder head. For additional information, refer to CYLINDER HEAD INSPECTION .
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