Montero SR 4WD V6-3.5L SOHC (1997)
Timing Belt: Testing and Inspection
Replace belt if any of the following conditions exist.
1. Hardening of back rubber-back side is glossy without resilience and leaves no indent when pressed with fingernail.
2. Cracks on rubber backing.
3. Cracks or peeling of canvas.
4. Cracks on tooth bottom.
5. Cracks on side of belt.
6. Abnormal wear of belt sides. The sides are normal if they are sharp as if cut by a knife.
7. Abnormal wear on teeth.
8. Tooth missing and canvas fiber exposed.