Litens Archives - UnderhoodService
AMN Drivetime Quick Hit: AAPEX 2022

Check out this fun and fast-paced conversation with Bill Hanvey and Paul McCarthy as the countdown to AAPEX 2022 begins.

Tom Taylor – Rock Auto’s Online Approach To Parts Needs

Rock Auto’s VP of Marketing shares the company’s history as a Dot Com and as a player in the automotive aftermarket.

Tendeco’s John Lussier Sits Down with AMN Drivetime (Podcast)

Bill Babcox and John Lussier discuss supply chain challenges, the value of OE heritage, international business and more.

Tendeco’s John Lussier Sits Down with AMN Drivetime (VIDEO)

Bill Babcox and John Lussier discuss supply chain challenges, the value of OE heritage, international business and more.

Replacing a Decoupler Pulley (VIDEO)

Millions of vehicles have decoupler pulleys, heres how to replace them. This video is sponsored by Litens.

Accessory Drive Belt Service and Science (VIDEO)

Accessory drive belts are not generic. This video is sponsored by Litens.

Litens Releases Accessory Drive Tensioner Kits

Each of the 50 kits includes all components necessary, as well as complete installation instructions.

VIDEO: Wheel Well Belt Inspections

Pay special attention to seals, boots and exhaust heat shields. This video is sponsored by Litens.

VIDEO: The Difference Between An OAD, OAP Alternator Pulley

We take a look at what is actually inside of each pulley. This video is sponsored by Litens.

VIDEO: Are All OAD Pulleys The Same?

Andrew Markel explains why two overrunning decoupler pulleys (OAD) may look the same on the outside, but on the inside they may be different. The reason for this is that the OAD pulley is tuned for the engine, drive belt system and alternator. Sponsored by Litens.

VIDEO: What Is A Torsional Vibration In The Belt Drive And Pulley System?

Andrew Markel covers how the movement of the pistons create torsional vibrations in the belt drive system. These small changes in the speed of the crankshaft can cause vibration in the alternator and belt drive system. If the vibration goes unchecked, it could lead to belt wear and component failure. Sponsored by Litens.

VIDEO: Is Belt Tension Going Up Or Down?

With new fuel efficiency mandates, automakers are looking for every possible way to reduce drag on the crankshaft. Many automakers are reducing drive belt tension to not only improve fuel economy, but to extend the life of the belt. Andrew Markel explains how they are able to reduce tension while controlling vibration. Sponsored by Litens.