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3667 North Peachtree Road Chamblee, GA 30341
Monday - Friday: 7am to 5pm Saturday & Sunday: Closed

770.457.4676

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Professional Auto Maintenance at J&L Auto Service: Serpentine Belt Overview

Your serpentine belt drives important engine accessories like your alternator, air conditioning compressor, and power steering. In some autos it may also power the power brakes or water pump. The serpentine belt is powered by the engine and winds around pulleys and the accessories. Some autos have two serpentine belts.

The serpentine belt, the belt tensioner (which maintains the appropriate tension on the belt) and the idler pulleys are together known as the accessory drive system.

Now your serpentine belt and the belt tensioner will just wear out over time – that’s why your car maker has a scheduled belt replacement interval. The team at J&L Auto Service in Chamblee can check your serpentine belt for wear and get it replaced if it’s time.

Give us a call

J&L Auto Service
770.457.4676
3667 North Peachtree Road
Chamblee, Georgia 30341

J&L Auto Service Auto Maintenance Videos: Serpentine Belt Tensioner

The serpentine belt tensioner applies pressure to the serpentine belt, maintaining prime tension to drive the accessories like the alternator and A/C compressor. The service life of the belt tensioner is the same as the belt itself, so they should always be replaced together. A worn tensioner inhibits the accessories from spinning properly, leading to premature wear and noise.

Your automobile manufacturer has a recommended mileage interval for serpentine belt replacement. A complete accessory drive system service replaces the serpentine belt, the belt tensioner and any idler pulleys your auto might have. Your honest J&L Auto Service service specialist can review your system and let you know if it’s time for a replacement.

Give us a call

J&L Auto Service
770.457.4676
3667 North Peachtree Road
Chamblee, Georgia 30341


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