How to: Water Pump & Coolant Removal + Replacement on 2.5L Mazda 3, 6, CX-5

DIY- How to: Remove & Install Water Pump & coolant Drain/Change on 2.5L 4-cylinder engine 2014 to 2020 Mazda 6, 3, CX-5

Is the water pump showing signs that it has started leaking or it has stopped altogether?

In this video, I’ll show you what a water pump looks like when it initially starts to leak, how to remove and install a new one and how to perform a coolant flush and refill. The following video has been broken down into 3 videos to keep it short and to give as much detail as I can when doing this.

This applies to 2.5L 4-cylinder engine, which can be found in 2014 to 2020 Mazda 6, 3, CX-5.

Please be sure to check out all three videos A, B and C.

here is a link to the 1/4" drive torque wrench. inexpensive.
https://amzn.to/3qKGauT

Mazda part number use:
-water pump -- PEDD-15-010A
-Water Pipe O Ring -- PE01-15-287
-Mazda Coolant, 2 gallons -- FL22 0000-77-508F-20 (you will use about 1.5 gallons)

you can also use after market pumps like this, but be sure to make it fits your vehicle: https://amzn.to/38HDkBC

Procedure:
Video A-Step 1: Jack Up Car & Support it off of Jack Stands:
how to jack up the car and position jack stands under the vehicle to supported it safely:
   • How to: Jack or Lift up Front or Back...  

Video -Step 2: Remove & Install Water Pump and Serpentine Belts:
   • How to Remove + Install/Replace Water...  
How to remove & Install the water pump and Serpentine belt.
Even though you only need to remove the water pump belt from the Water Pump pulley ONLY, it’s a good idea to go ahead and replace this belt. For this, the serpentine belt will need to be removed. Might as well replace that belt too

Video C-Step 3: Remove & Install Water Pump & coolant drain/Change: (this video)
this video I will show you how to remove and install a new one and how to perform a coolant flush and refill.

All parts used are Mazda OEM parts. When ordering the water pump, you need to ensure that you get the O-ring for the water inlet pipe.

When the water pump is removed, most of the liquid in the engine does drain out. There is no need to add water to flush the block, we will simply drain the radiator which will empty the lower and upper rad hose, thus getting majority of the coolant out. Since there is a likely hood that not all the coolant might come out, we do not want to mix other brand coolant with Mazda coolant, so we will just refill with Mazda Coolant. The cost is the same, not worth the $10-$15 saving to risk other engine/gasket problems

This is probably the best time to go ahead and replace the thermostat as well since you have the coolant out and you are at high enough miles to change the water pump, so it's most likely time to replace to replace the thermostat as well

Video on how to change out the thermostat:
   • Remove & Replace: Thermostat + Coolan...  

Please check out the Mazda 6 Playlist:
   • Mazda 6  

As Always, SAFETY is first. Use all the precautions and safety equipment and gear at all time…depending on what is being done that includes, gloves, glasses, mask, etc.

Thank you for watching.

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