Timing Belt Idler Pulley Installation

Special Tools 

EN-45059  Angle Meter

For equivalent regional tools, refer to Special Tools .

Fig 1: Timing Belt Idler Pulley Bolt
Courtesy of GENERAL MOTORS COMPANY
CAUTION:

Refer to Fastener Caution .

CAUTION:

Refer to Torque-to-Yield Fastener Caution .

1. Re-cut the timing belt idler pulley thread.
2. Install the timing belt idler pulley (2) and tighten the NEW timing belt idler pulley bolt (1) a first pass to 20 N.m (15 lb ft).
3. Tighten the NEW timing belt idler pulley bolt a second pass to an additional 120 degrees, using the EN-45059  meter.
4. Tighten the NEW timing belt idler pulley bolt a final pass to an additional 15 degrees, using the EN-45059  meter.