LS 400 V8-4.0L (1UZ-FE) (1990)
Drive Belt: Specifications
Fig. 49 Serpentine Belt Routing
Fig. 50 Serpentine Belt Tensioner
Refer to Fig. 49 for belt routing diagram. For belt tension, check that belt rides within the A area of the belt tensioner that is on vehicle, Fig. 50. If belt
does fall within the A area, replace belt. The new belt should ride within the B area.