Ford — Charging System Belt Adjustment
Adjustments · Generator drive belt
From a Ford service manual — check it applies to your exact model before use.
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Procedure
- Check the belt tension with Tool T63L-8620-A; the belt should be within specifications.
- If not within specification, loosen the generator mounting bolt to a snug position and loosen the adjusting arm bolts.
- Apply pressure on the generator front housing only and tighten the adjusting arm to generator bolt.
- Check the belt tension using Tool T63L-8620-A and adjust for specified tension.
- Tighten all mounting bolts.
Tools required
- T63L-8620-A belt tension tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Alternator Belt: New 351-449 N (79-101 lbs); Used-Reset (Minimum) 249-334 N (56-75 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.