Introduction

Are you looking to change the oil on your diesel Mazda CX-5? This tutorial will show you how to complete the process in a few easy steps. Frequent oil changes are recommended if your vehicle suffers from oil dilution, a common issue with Mazda 2.2L diesel engines.

Difficulty Rating

Moderate

Tools/Parts Required

  • Oil Filter
  • Oil Filter Wrench
  • Crush Washer
  • Hex Socket
  • 5w-30 Oil
  • Flat Screwdriver
  • Oil Pan

Step 1

First lift your vehicle to provide better access. Under the car you will locate a panel with four screws/clips. Remove this panel to reveal the engine sump.

Mazda CX5 Diesel Engine Oil Change

Step 2

You can now see the sump plug. Use a hex tool to loosen and remove the plug.

Mazda CX5 Diesel Engine Oil Change

Step 3

Drain the oil into an oil pan. Once drained, reinstall the sump plug with a new crush washer.

Mazda CX5 Diesel Engine Oil Change

Step 4

We will now replace the oil filter. Looking forward from the sump, you will find a small panel to remove. This will reveal the filter.

Using the filter wrench, loosen and remove the oil filter. The filter will drip a large amount of oil, so ensure your oil pan is at the ready.

To help reduce oil starvation, half fill the new filter with fresh oil, and screw into position. Hand tighten.

Mazda CX5 Diesel Engine Oil Change

Step 5

Lastly fill the engine with approximately 5.2L of 5w-30 fully synthetic oil. Continuously check the dipstick to ensure the oil is at the correct level.

Once filled, start and idle the engine for a few minutes. Turn the engine off and check for any leaks, and double check the dipstick as the level may have dropped slightly.

Mazda CX5 Diesel Engine Oil Change

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