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Tensioner Assembly-Automatic

Critical For Operation

Engine

Maintains proper tension on the drive belt, preventing it from slipping or coming off.

The automatic tensioner assembly ensures that the drive belt is kept at the correct tension, automatically adjusting as the belt stretches or wears to prevent slipping, squealing, or failure of the belt-driven accessories.

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Typical part cost
$100–$300🔒
🔧
Typical labor cost
$150–$400🔒
🛣️
Typically lasts
100,000–200,000 mi
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Or about
7.0–10.0 years
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DIY difficulty
5/10

⚠️ Owners Often Notice

If the Tensioner Assembly-Automatic is starting to fail, these are the signs owners most commonly report before it gets worse:

Belt slipping or squealing
Poor accessory performance
Drive belt loose

Related Services

Services commonly performed on or around this part.

Replace Tensioner Assembly-Automatic

No standard interval on file

Adjust Tensioner Assembly-Automatic

No standard interval on file

Inspect Tensioner Assembly-Automatic

No standard interval on file