Mazda 3 Quiz
Engine

Drive Belt Auto Tensioner Inspection [Mzr 2.3 Disi Turbo]

In this manual: Engine
Vehicle general — 15Accessories — 111Body — 339Brakes — 71Drivetrain — 143Electrical — 58Engine — 251HVAC — 72Restraints — 15Steering — 32Suspension — 41
~1min read

1. Remove the aerodynamic under cover No.2 and splash shield as a single unit..

2. Remove the drive belt..

3. Verify that the drive belt auto tensioner moves smoothly in the operational direction.


  • Replace the drive belt auto tensioner if necessary..

4. Rotate the drive belt auto tensioner pulley by hand and verify that it rotates smoothly.

  • Replace the drive belt auto tensioner if necessary..

5. Install the drive belt..

6. Install the aerodynamic under cover No.2 and splash shield as a single unit..

Test yourself

A quick Mazda 3 quiz: every answer comes with an explanation and a link to the manual page.