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Home >> Kia >> 2016 >> Optima SX Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 83 (Drive Belt System - 1.6L - Optima (Except HEV)) >> Drive Belt >> Repair Procedures >> Adjustment >> Drive belt tension measurement and adjustment >> If adjustment is necessary

If adjustment is necessary

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  1. Loosen the mounting bolts (A).
  2. Tighten the adjusting bolt (B) clockwise in loose tension; loosen the bolt counterclockwise in high tension.
    Fig 1: Locating Mounting Bolts And Adjusting Bolt
    G11822992Courtesy of KIA MOTORS AMERICA, INC.
  3. Recheck tension of the belt.
  4. After adjusting tension, tighten the through bolts.

    Tightening torque 

    12mm (0.47in) bolt:

    26.5 - 37.3 N.m(2.7 - 3.8 kgf.m, 19.5 - 27.5 lb.ft) [10T Type]

    24.3 - 26.9 N.m(2.48 - 2.74 kgf.m, 17.9 - 19.8 lb.ft) [8T Type]

    14mm (0.55in) bolt:

    29.4 - 41.2 N.m(3.0 - 4.2 kgf.m, 21.7 - 30.4 lb.ft)