Cooling System Bleeding

1999 Mazda 626 ES, 2.5 D, StandardSECTION Cooling System Bleeding

Fill radiator and coolant reservoir. Start engine and allow to idle until engine is at normal operating temperature. If temperature increases beyond normal there is excessive air in system. Stop engine and allow to cool, and refill radiator and reservoir. Accelerate engine to 2200-2800 RPM for 5 minutes. Repeat several times. Shut engine off and allow engine to cool. Remove filler cap. Verify coolant level is near filler neck. If coolant level is not near filler neck, repeat procedure. Fill coolant reservoir to FULL level.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.