Ford CSG-649 — Drive Belt Tension Adjustment
Maintenance
For the Ford CSG-649, from the Ford service manual.
Applies to: Ford CSG-649
Before you start
- Apply pressure on the alternator front housing only when tightening
Parts for this job
- T63L-8620-A Belt Amazon eBay $49.99
Part numbers from the service-parts list for Ford CSG-649. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Install belt tension tool on drive belt and check tension.
- Loosen alternator mounting bolts and adjusting arm bolts.
- Move alternator toward or away from engine to correct tension.
- Remove gauge, then tighten all mounting bolts.
- Recheck belt tension.
- Tighten the adjusting arm to alternator bolt.
Tools required
- Tool T63L-8620-A belt tension gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Belt tension new 140, used 110 (all except governor)
- Governor belt new 70, used 50
Full service-parts list: Ford CSG-649 →
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.