XJR (X308) V8-4.0L SC (AJ26) (1998)
Drive Belt Tensioner: Description and Operation
Automatic Belt Tensioner
Automatic Belt Tensioner
The automatic belt tensioner consists of an idler pulley, which is free to rotate on a bearing, located at the end of a spring-loaded pivot arm.
The pivot arm can be turned counter-clockwise (viewed from the front of the engine) for belt removal and installation.
A belt-wear indicator is incorporated on the rear horizontal face of the pivot arm.
Belt tension is achieved by an automatic tensioner; neither the belt nor the tensioner require service apart from checking the belt wear indicators at
each normal service interval.