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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 29 (Engine Cooling System (VIN M)) >> Coolant Control Valve Removal/Installation >> Coolant Control Valve Installation Note
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Coolant Control Valve Installation Note

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Do not apply oil (such as engine oil, ATF) to the O-ring. Otherwise, the O-ring could swell causing a seal malfunction.
  1. If the coolant control valve has been replaced, install ECT sensor No. 2. (See ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION .)
  2. Insert a new gasket into the coolant control valve groove.
  3. Install the coolant control valve.