Mazda MX-3 silhouetteMX-3

A/C COMPRESSOR — Removal / Installation (B6 drive belt adjustment)

G-55prose procedure

B6 (I4) engine drive belt adjustment procedure.

B6 drive belt deflection adjustment

  1. 1
    Loosen bolt A, nut B, and nut C.
    B6 engine belt-routing schematic for deflection adjustment. Pulleys labeled P/S PUMP, CRANKSHAFT and MAGNETIC CLUTCH; fasteners A, B, C and adjusting bolt D. A DEFLECTION arrow marks the belt span being checked.
  2. 2
    Turn the adjusting bolt D and adjust the drive belt deflection to specification.
  3. 3
    Tighten bolt A, nut B, and nut C.
    Tightening torque — Bolt A: 37-53 N.m {3.7-5.5 kgf.m, 27-39 ft.lbf}; Nut B: 38-51 N.m {3.8-5.3 kgf.m, 28-38 ft.lbf}; Nut C: 32-46 N.m {3.2-4.7 kgf.m, 24-33 ft.lbf}

Drive belt deflection when applying moderate pressure 98 N {10 kgf, 22 lbf}

New
Deflection when applying moderate pressure 98 N {10 kgf, 22 lbf}8.0-9.0 mm {0.32-0.35 in}
Used
Deflection when applying moderate pressure 98 N {10 kgf, 22 lbf}9.0-10.0 mm {0.36-0.39 in}
Bolt A
37-53N.m {3.7-5.5 kgf.m, 27-39 ft.lbf}
Nut B
38-51N.m {3.8-5.3 kgf.m, 28-38 ft.lbf}
Nut C
32-46N.m {3.2-4.7 kgf.m, 24-33 ft.lbf}

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