Operation CHARM: Car repair manuals for everyone.

Standards and Service Limits

Alternator belt
Adjusta new belt to the new belt specification, run the engine for 5 minutes, then readjust it to the used belt specification.
Deflection with 98 N (10 kgf, 22 lbs.) applied midway between pulleys Without A/C
With A/T: See Compressor belt in A/T table
Used belt: 8.5 - 11.0 mm
New belt: 6.5 - 8.5 mm
Tension
measured with belt tension gauge
Without A/C
with A/C see Compressor belt in the A/C table
Used belt: 340 - 490 N
New belt: 540 - 740 N
Alternator Output at 13.5 V normal engine temperature 70A
Coil (rotor) resistance at 68 deg F (20 deg C) 1.84 - 2.10 ohms
Slip ring O.D. Staandard or new 22.7 mm
Service limit 21.7 mm
Brush length Standard or new 19.0 mm
Service limit 5 mm
Brush spring tension 3.3 - 4.1 N