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Home >> Mazda >> 2021 >> CX-3 FWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> Timing Chain Removal/Installation >> Timing Chain Installation Note

Timing Chain Installation Note

  1. Verify that the timing marks and the key are aligned to the position shown in the figure.
    G11437330Courtesy of MAZDA MOTORS CORP.
    NOTE:
    • The timing mark of the hydraulic variable timing actuator differs depending on the specification.
    G13149249Courtesy of MAZDA MOTORS CORP.
  2. Install the timing chain while aligning the marks on the timing chain as shown in the figure.
    G11437331Courtesy of MAZDA MOTORS CORP.
  3. Install the chain guide (No. 1).

    Tightening torque 

    8-11 N.m {82-112 kgf.cm, 71-97 in.lbf}

  4. Install the tensioner arm.
  5. Install the chain tensioner.

    Tightening torque 

    8-11 N.m {82-112 kgf.cm, 71-97 in.lbf}

  6. After installing the chain tensioner, remove the installed wire or paper clip, and then apply tension to the timing chain. (Chain tensioner type A)
    • If a new chain tensioner is used, remove the installed stopper.
    G13107934Courtesy of MAZDA MOTORS CORP.
  7. After installing the timing chain tensioner, remove the installed rod, and then apply tension to the timing chain. (Chain tensioner type B)
    • If a new chain tensioner is used, remove the installed lock pin.
    G13149266Courtesy of MAZDA MOTORS CORP.
  8. Verify that there is no looseness in the timing chain, and re-verify that each sprocket is in the specified location.
  9. Rotate the crankshaft clockwise two turns and inspect the valve timing.
    G13149267Courtesy of MAZDA MOTORS CORP.