General Motors — Adjusting V-Belt Tension
Adjustments · accessory drive belt
From a General Motors service manual — check it applies to your exact model before use.
Applies to: General Motors 1.6L engine
Before you start
- Over tightening may cause overload on the bearings and pulleys of the drive belt components.
- The engine manufacturer does not recommend the use of 'belt dressing' or 'anti slipping agents' on either belt configuration.
Procedure
- Check belt tension by pressing down on the midway point of the longest stretch between two pulleys.
- The belt should not depress beyond 13mm (1/2 inch).
- If depression is more than allowable, adjust the tension.
- Do not over tighten the belt tension.
Specs & values
- Belt should not depress beyond 13 mm (1/2 inch)
Source: General Motors service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.