1. Remove the bonnet insulator.
2. Remove the windshield washer hose from the windshield washer nozzle.
3. Compress the hooks of the windshield washer nozzle.
4. Pull the windshield washer nozzle out to remove it.

5. Install in the reverse order of removal.
Washer fluid-level sensor inspection
Windshield washer nozzle cleaningMazda 6 Service Manual: Cooling system service warnings
COOLING SYSTEM SERVICE WARNINGS
Warning
Never remove the radiator cap or loosen the radiator drain plug
while the engine is running, or when the engine and radiator are hot.
Scalding coolant and steam may shoot out and cause serious injury. It may
also damage the engine and cooling sys ...
Mazda 6 Service Manual: Oil pressure switch inspection
1. Verify that the oil pressure warning light illuminates when the ignition
switch is at ON position.
2. Verify that the oil pressure warning light goes off when the engine is
started.
If the oil pressure warning light does not illuminate or remains
illuminated, inspect the related wirin ...