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Engine Controls - Service & Adjustment Specifications: Adjustments Infiniti M45 II

Specifications

BELT ADJUSTMENT

Note. On M45 and Q45, automatic belt tensioners are used.

FX35/FX45 BELT ADJUSTMENT

ApplicationNew Belt Deflection (1)Used Belt Deflection (1)
A/C.31-.35" (8-9 mm).35-.39" (9-10 mm)
Power Steering.14-.18" (3.5-4.5 mm).16-.20" (4-5 mm)
(1) With 22 lbs. (10 kg) pressure applied at center of longest belt run.
(1)With 22 lbs. (10 kg) pressure applied at center of longest belt run.

FX35/FX45 BELT ADJUSTMENT

G35 & I35 BELT ADJUSTMENT

ApplicationNew Belt Deflection (1)Used Belt Deflection (1)
A/C.15-.16" (3.7-4.1 mm).17-.18" (4.2-4.6 mm)
Power Steering.25-.28" (6.5-7.2 mm).31-.35" (8-9 mm)
(1) With 22 lbs. (10 kg) pressure applied at center of longest belt run.
(1)With 22 lbs. (10 kg) pressure applied at center of longest belt run.

G35 & I35 BELT ADJUSTMENT

QX4 BELT ADJUSTMENT

ApplicationNew Belt Deflection (1)Used Belt Deflection (1)
A/C.31-.35" (8-9 mm).35-.39" (9-10 mm)
Power Steering.138-.177" (3.5-4.5 mm).16-.20" (4-5 mm)
(1) With 22 lbs. (10kg) pressure applied at center of longest belt run.
(1)With 22 lbs. (10kg) pressure applied at center of longest belt run.

QX4 BELT ADJUSTMENT

VALVE CLEARANCE ADJUSTMENT FX35, FX45, I35, M45 & Q45

Application(2) Cold - In. (mm)Hot - In. (mm)
Intake.010-.013 (.26-.34).013-.016 (.32-.41)
Exhaust.011-.015 (.29-.37).013-.016 (.32-.41)
(1) If inspection is performed on a cold engine, ensure clearances are still within specifications when engine is fully warmed up. (2) About 68°F (20°C).
(1)If inspection is performed on a cold engine, ensure clearances are still within specifications when engine is fully warmed up.
(2)About 68°F (20°C).

VALVE CLEARANCE ADJUSTMENT FX35, FX45, I35, M45 & Q45 (1)

VALVE CLEARANCE ADJUSTMENT G35 & QX4

Application(2) Cold - In. (mm)Hot - In. (mm)
Intake.010-.013 (.26-.34).012-.016 (.30-.41)
Exhaust.011-.015 (.29-.37).012-.016 (.30-.41)
(1) If inspection is performed on a cold engine, ensure clearances are still within specifications when engine is fully warmed up. (2) About 176°F (80°C) or less.
(1)If inspection is performed on a cold engine, ensure clearances are still within specifications when engine is fully warmed up.
(2)About 176°F (80°C) or less.

VALVE CLEARANCE ADJUSTMENT G35 & QX4 (1)

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