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Mazda 5 Check Coolant Level & Add Antifreeze

This guide explains how to check the engine coolant level and add antifreeze to a Mazda vehicle. 

The pictures used in this guide are from a 2015 Mazda 5, but these instructions apply to Mazda 3, 5, 6, CX5, CX7, CX3, CX9, and other models. 

Mazda 5 Check Coolant Level & Add Antifreeze
ESTIMATED TIME 10 - 35 min
DIY COST
DIFFICULTY Very Easy

 

What you will need

Procedure

  1. Park the Mazda and allow the engine to cool down for at least thirty minutes.check engine coolant level add coolant mazda

     

  2. Locate the hood release underneath the dashboard of your Mazda. Pull the lever until you hear the Mazda hood pop open. Next, you need to release the hood safety latch at the front of your hood.
  3. Next, locate the coolant reservoir (tank) on your Mazda. This is the location where you add an engine coolant reservoir on a Mazda. On this Mazda 5, the coolant reservoir is located on the passenger side of the engine.
  4. Look at the coolant reservoir tank and take note of the low and high levels. If the level is below the minimum mark, you will need to add coolant, or your Mazda may overheat and blow a head gasket. check low coolant level 2010-2018 Mazda 5 2015, 2016, 2017, 2018 Mazda 5 Mazda 3 5 6 cx5 cx7 cx9
  5. Remove the coolant reservoir cap very slowly. Add engine coolant antifreeze Mazda 5 2010 2011 2012 2013 2014 2015 2016 2017 2018 2015, 2016, 2017, 2018 Mazda 5 Mazda 3 5 6 cx5 cx7 cx9
  6. Add engine coolant/antifreeze. Only add the coolant type recommended by Mazda. 

Adding engine coolant to a Mazda 5 is easy. Only add the coolant type recommended by Mazda. If the light for the low engine coolant level turns on, make sure to check the coolant level when the engine is cold.

Do not open the radiator cap of your Mazda 5 if the engine is hot.

Instead, add coolant to the coolant reservoir. If the light on your Mazda dashboard has turned on, indicating a low coolant level, the first thing you need to do is check the coolant level. Do not continue to operate your Mazda 5 if the engine is overheating or the high engine temperature light comes on.

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Notes

Tips & Warnings


  • When the engine is hot - Never open the radiator cap when the engine is hot. Wait to for the engine to cool down first. You may get seriously burned if the cap is opened when the engine is still hot or warm. The cooling system may be under pressure and may spray hot coolant if the cap is removed, causing burns or other injuries
  • When towing - Due to the added load of the trailer, your vehicle's engine may overheat on hot days (at temperatures over 85°F [30°C]) when driving up a long or steep grade. If the engine coolant temperature gauge indicates overheating, immediately turn off the air conditioning (if in use), pull your vehicle off the road, and stop in a safe spot.
  • Coolant level keeps dropping -If the coolant level drops within a short time after replenishing Visually check the radiator, hoses, engine coolant filler cap, radiator cap, drain plug and water pump for leaks.  If you cannot find a leak, have a mechanic test the cap and check for leaks in the cooling system. 
  • When adding coolant - The coolant is neither plain water nor straight antifreeze. The correct mixture of water and antifreeze must be used to provide proper lubrication, corrosion protection and cooling. Be sure to read the antifreeze or coolant label.

Safety Tips

Auto Repair Safety Notes