The accessory drive belt and tensioner pulley are important parts that ensure the operation of the main engine systems, facilitate operation and maintain a comfortable temperature in the cabin.
A burning warning light in the form of a battery on the instrument panel, flickering headlights and interior lighting, incorrect operation of the power steering, a loud hum near the right wing are signs of a worn Chevrolet Lacetti alternator belt or tensioner pulley. This article will tell you which part is better to choose and how to replace it yourself.
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The indicator arrow on the moving part of the tensioner should be between the two extreme marks on the stationary part of its body.
If the indicator arrow drops below the leftmost mark, then the belt is extremely worn and needs to be replaced.
The belt also needs to be replaced if cracks, tears, or detachments of rubber from the fabric base are detected on it.
To remove the accessory drive belt, loosen its tension.
Replacing the belt of Lacetti auxiliary units with your own hands
Remove the air filter housing. I won’t dwell on this in detail, there is nothing tricky there.
Now we observe the head of the tension roller bolt
We put a 15 mm socket wrench on the head of this bolt. Maybe 14 mm
...and turn the tensioner roller clockwise, loosening the belt tension. If the key is short, then you can use a tube of suitable diameter, putting it on the key
If the key is short, then you can use a tube of suitable diameter
When the belt tension decreases, it can be removed from the pulleys and removed from the vehicle.
The first thing I do is remove it from the alternator pulley. You can watch this in detail in my video at the end of the page.
