GM Service Manual Online
For 1990-2009 cars only

Drive Belt Tension Specifications

Application

Specification

Metric

English

A/C Compressor

  • 2.5 Liter Engine

4-7 mm at 10 kg

0.16-0.28 in at 22 lbs

Coolant Pump-2.0 Liter Engine

  • New Belt-under 5 minutes of use

4-5 mm at 10 kg

0.16-0.19 in at 22 lbs

  • Used Belt

5-7 mm at 10 kg

0.20-0.27 in at 22 lbs

Coolant Pump/Generator-2.5 Liter Engine

  • New Belt-under 5 minutes of use

7-9 mm at 10 kg

0.28-0.35 in at 22 lbs

  • Used Belt

9-11 mm at 10 kg

0.35-0.43 in at 22 lbs

Power Steering Pump

  • 2.5 Liter Engine

4-7 mm at 10 kg

0.16-0.28 in at 22 lbs