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Home >> Infiniti >> 1999 >> Q45 Base >> Repair and Diagnosis >> Engine Performance >> Specifications >> Engine Controls - Service & Adjustment Specifications >> Quick-Service >> Service Intervals & Specifications >> Q45 Drive Belt Adjustment
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Q45 Drive Belt Adjustment

Q45 BELT ADJUSTMENT

Application New Belt Deflection (1) (1) Used Belt Deflection
A/C Comp. .31-.35" (8.0-9.0 mm) .35-.39" (9.0-10.0 mm)
Alternator .14-.18" (3.5-4.5 mm) .16-.20" (4-5 mm)
P/S .31-.35" (8-9 mm) .35-.39" (9-10 mm)
Water Pump .20-.24" (5-6 mm) .24-.28" (6-7 mm)
(1) With 22 lbs. (10 kg) pressure applied at center of longest belt run.