Idler Gear: Inspection

Using a micrometer, measure the idler gear diameter.

Standard diameter: 

38.48 - 38.50 mm (1.5149 -1.5157 in.) 

Maximum diameter: 

38.50 mm (1.5157 in.) 

Fig 1: Measuring Idler Gear

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Using a cylinder gauge, measure the idler low gear diameter.

Standard diameter: 

45.52 - 45.54 mm (1.7922 - 1.7930 in.) 

Maximum diameter: 

45.54 mm (1.7930 in.) 

Fig 2: Measuring Idler Low Gear Diameter Using Cylinder Gauge

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002