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

NOTE:
  • Prior to assembly, coat all of the valve train components with clean 5W-30 engine oil.
  1. Install the camshaft.
    Fig 1: Installing Camshaft
    G02821321Courtesy of MAZDA MOTORS CORP.
    2. NOTE:
    • The camshaft bearing caps must be installed in the original position.
    NOTE:
    • After installing the bolts, check the camshaft for free rotation.
    Fig 2: Camshaft Cap Bolt Tightening Sequence
    G02821322Courtesy of MAZDA MOTORS CORP.
  2. Position the oil supply tube, the camshaft bearing caps, and the bolts.
    • Tighten in the sequence shown in two stages:
      1. Stage 1: Tighten to 6 Nm (0.6 kgf-m, 53 lb-in).
      2. Stage 2: Tighten to 16 Nm (1.6 kgf-m, 12 lb-ft).
  3. Install the valve.
  4. Using Valve Stem Seal Replacer SST 303-370 or equivalent, install the valve stem seals.
    Fig 3: Installing Valve Stem Seals
    G02821323Courtesy of MAZDA MOTORS CORP.
  5. Using Valve Spring Compressor SST 303-581 or equivalent, install the valve spring, the retainer and the retainer keys.
  6. Repeat the procedure until all of the valves are installed.
  7. Install the spark plugs.
    Fig 4: Installing Spark Plugs
    G02821324Courtesy of MAZDA MOTORS CORP.
  8. Install the camshaft roller followers only when the cylinder head is installed in the vehicle and the timing procedure has been carried out.
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