Mazda MX-5 NA silhouetteMX-5 NA

AIR CONDITIONER

U-43prose procedure

With P/S vs Without P/S variants

Adjustment

Drive belt

(With P/S)

Drive Belt Adjustment (With P/S)

  1. 1
    Loosen P/S oil pump bolts A and B and nut C.
    Front of the engine showing the P/S oil pump bracket area; callouts A and B mark P/S oil pump bolts, C marks the locknut, and D marks the adjusting bolt used to set drive-belt tension on a vehicle equipped with power steering.
    05U0UX-078
  2. 2
    Adjust the belt tension and deflection to specification by turning adjusting bolt D.
  3. 3
    Tighten bolts A and B and nut C.

Tightening torque (With P/S)

A
31 - 46N·m
B
36 - 54N·m
C
19 - 25N·m

Drive Belt Specification (With P/S)

Tension
New491—589 N (50—60 kg, 110—132 lb)
Used422—491 N (43—50 kg, 95—110 lb)
Deflection when applying moderate pressure 98 N (10 kg, 22 lb)
New8.0—9.0mm (0.31—0.35 in)
Used9.0—10.0mm (0.35—0.39 in)

(Without P/S)

Drive Belt Adjustment (Without P/S)

  1. 1
    Loosen the locknut.
  2. 2
    Adjust the belt tension and deflection to specification by turning the adjusting bolt.
    Front-of-engine view (Without P/S) highlighting the alternator adjusting bolt used to set drive-belt tension on a vehicle without power steering.
    05U0UX-080

Tightening torque (Without P/S)

Adjusting bolt locknut
37 - 52N·m

Drive Belt Specification (Without P/S)

Tension
New491—589 N (50—60 kg, 110—132 lb)
Used422—491 N (43—50 kg, 95—110 lb)
Deflection when applying moderate pressure 98 N (10 kg, 22 lb)
New8.0—9.0mm (0.31—0.35 in)
Used9.0—10.0mm (0.35—0.39 in)

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