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Home >> Kia >> 2020 >> Optima EX Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 47 (Lubrication System - 2.4L (Except HEV)) >> Balance Shaft & Oil Pump >> Repair Procedures >> Removal >> BSM (Balance Shaft Module)

BSM (Balance Shaft Module)

WARNING: This page is about a different variant/trim than selected.
  1. Remove the RH front wheel.

    (Refer to Suspension System - "WHEEL ")

  2. Remove the oil pan.

    (Refer to Lubrication System - "OIL PAN ")

  3. Set No. 1 cylinder to TDC/compression.
    1. Turn the crankshaft pulley and align its groove with the timing mark "T" of the timing chain cover.
      G12932499Courtesy of KIA MOTORS AMERICA, INC.
    2. Confirm that the BSM sprocket timing mark (A) is visually aligned with center of adjacent cast timing notch (B).
    G12932500Courtesy of KIA MOTORS AMERICA, INC.
  4. Put a mark on the timing chain (A) corresponding to the timing mark (B) of the sprocket.
    G12932501Courtesy of KIA MOTORS AMERICA, INC.
  5. Insert a stopper pin (A) into the hole on the tensioner after compressing the balance shaft chain tensioner piston.
    G12932502Courtesy of KIA MOTORS AMERICA, INC.
  6. Remove the BSM mounting bolts.
    G12932503Courtesy of KIA MOTORS AMERICA, INC.
  7. Remove the BSM (Balance Shaft Module) (A) while taking off the chain from the sprocket.
G12932504Courtesy of KIA MOTORS AMERICA, INC.
NOTE: Do not disassemble the BSM (Balance Shaft Module).