Water Pump Component Installation Note

WARNING: This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION:

Assemble the water pump gasket to the correct direction shown in the figure. Otherwise, it could leak engine coolant and damage the engine.

Fig 1: Assembling Water Pump Gasket To Groove
Courtesy of MAZDA MOTORS CORP.
Do not apply oil (such as engine oil, ATF) to the water pump gasket. Otherwise, the gasket could swell causing a seal malfunction.

Insert a new water pump gasket into the water pump groove.
Install the water pump.
Tighten the bolts in the order shown in the figure.

Fig 2: Water Pump Bolts Tightening Sequence
Courtesy of MAZDA MOTORS CORP.

Tightening torque

20-26 N-m {2.1-2.6 kgf-m, 15-19 ft lbf}
Clean away the sealant adhering to the bolt hole on the cylinder block side of the water inlet pipe stay. (SKYACTIV-G 2.0)
Remove the engine oil solenoid valve to secure a sufficient space for installing the water inlet pipe stay bolt. (See ENGINE OIL SOLENOID VALVE REMOVAL/INSTALLATION .)
Install the water inlet pipe stay bolt.

Fig 3: Installing Water Inlet Pipe Stay Bolt
Courtesy of MAZDA MOTORS CORP.
Install the engine oil solenoid valve. (See ENGINE OIL SOLENOID VALVE REMOVAL/INSTALLATION .)