Ford — Drive Belt Tension Adjustment
Adjustments · Fan drive belt
From a Ford service manual — check it applies to your exact model before use.
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Before you start
- Check belt tension on a cold belt only
Procedure
- Install the belt tension tool on the drive belt and check the tension.
- Loosen the alternator mounting and adjusting arm bolts.
- Move the alternator toward or away from the engine until the correct tension is obtained.
- Remove the gauge, then tighten the alternator adjusting arm and mounting bolts.
- Install the tension gauge and recheck the belt tension.
Tools required
- Belt tension tool T63L-8620-A Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- New belt 140 ft-lbs
- Used belt 100 ft-lbs
Source: Ford 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.