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Home >> Subaru >> 2003 >> Impreza WRX, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> Ignition System >> Ignition System - DOHC/TC >> Spark Plug >> Installation >> RH Side

RH Side

  1. Install in the reverse order of removal.
  1. Tightening torque (Spark plug):  21 N.m (2.1 kgf-m, 15 ft-lb)
  2. Tightening torque (Ignition coil):  16 N.m (1.63 kgf-m, 11.8 ft-lb)
CAUTION: The above torque should be only applied to new spark plugs without oil on their threads. In case their threads are lubricated, the torque should be reduced by approximately 1/3 of the specified torque in order to avoid over-stressing.
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