Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Replacing drive belt for alternator (B36 engine) (Cooper base)
Attention!
Risk of damage to the vibration absorber if the exact installation position is not observed.
Running the engine without a drive belt is not permitted.
Attention!
Check the drive belt for coolant and oil residue and replace if necessary.
Preliminary work needed:
- Remove RIGHT CHARGE-AIR DUCT .
Removal:
Release expanding rivet (1).
Remove acoustic cover (2) towards bottom.
Safety instructions:
- Injury hazard when tensioning or releasing the drive belt.
Turn belt tensioner (1) in arrow direction at bolt (2) with a suitable tool and hold in position.
Remove drive belt (3).
Slowly relieve tension on belt tensioner.
Installation:
Safety instructions:
- Injury hazard when tensioning or releasing the drive belt.
Turn belt tensioner (1) in arrow direction at bolt (2) with a suitable tool and hold in position.
Position drive belt (3).
Slowly relieve tension on belt tensioner.
Install acoustic cover (2) from below.
Fasten the expanding rivet (1).
Required follow-up work:
- Install the RIGHT CHARGE AIR DUCT .
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.