Inspect and Adjust Alternator/Fan Belt

PY42549-UN-31JUL17

A - Tension Adjustment Cap Screw

B - Alternator Mounting Bolt

C - Alternator Frame

Replace if worn or damaged. (See procedure in Service section.)

NOTE: Run engine for five minutes to warm a cold belt. Let a hot belt cool for 15 minutes before adjustment.

Check tension by pressing belt midway between pulleys. Belt should deflect about 19 mm (3/4 in) at 89 N (20 lbf).

IMPORTANT: Pry against the alternator frame only.

Adjust tension by loosening cap screw (A) and mounting bolt (B). Apply force to the alternator frame (C) until belt tension is correct. Tighten cap screw and bolt.