Snake in the Engine (Serpentine Belt)

November 12, 2023

There's a belt that snakes through your engine. It's even named for a snake, the serpentine belt. It'll bite you when it breaks, possibly leaving you stranded. So, it's good to know a little about this snake-like belt. In early engines, there were lots of belts. They were used to convert the r... More

Automotive Tips from Tuffy St. Johns: Serpentine Belt Overview

July 8, 2018

The technicians at Tuffy St. Johns know your serpentine belt drives important engine accessories like your alternator, air conditioning compressor, and power steering. In some cars it may also power the power brakes or water pump. The serpentine belt is powered by the engine and winds around pull... More

Automotive Tips from Tuffy St. Johns: Serpentine Belt Tensioner

January 8, 2018

The serpentine belt tensioner applies pressure to the serpentine belt, maintaining optimal tension to drive the accessories like the alternator and A/C compressor. At Tuffy St. Johns we know that the service life of the belt tensioner is the same as the belt itself, so they should always be repla... More

Automotive Tips from Tuffy St. Johns: Serpentine Belt System Wear

April 17, 2017

The primary job of the serpentine belt for St. Johns drivers is to provide important traction to spin the accessories. As the belt wears it loses some of its grip and the accessories may not spin at optimal speeds. For example, if your alternator doesnt spin fast enough, the battery will not com... More