Mitsubishi S12A2 — Adjusting V-belt tension
Adjustments
For the Mitsubishi S12A2, from the Mitsubishi service manual.
Applies to: Mitsubishi S12A2
Procedure
- Inspect V-belt deflection by pressing with thumb at center of pulley-to-pulley span.
- For fan pulley: loosen fan bracket fixing bolts, adjust with adjusting bolt, tighten lock nut, tighten fixing bolts.
- For tension pulleys: loosen fixing bolts, adjust with adjusting bolt, tighten lock nut, tighten fixing bolts.
- For alternator: loosen fixing and adjusting bolts, move alternator, tighten bolts.
Tools required
- V-belt gauge P/N 32591-09100 Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- V-belt deflection: 10 to 15 mm [0.39 to 0.59 in.]
Full service-parts list: Mitsubishi S12A2 →
Source: Mitsubishi 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.