Tune-Up

TUNE-UP
Air/fuel ratio 0.6%
Air/fuel ratio limits [1] 0.4 - 0.8%
Timing [2] 12° BTDC
Idle RPM 750 ± 20

TURBO CHARGER TIGHTENING TORQUE
Turbo charger to exhaust manifold in three steps:
step 1 0.75 ft.lb (1 Nm)
step 2 33.2 ft.lb (45 Nm)
step 3 additional 45°
Exhaust pipe to turbo charger 18 ft.lb (25 Nm)
Wastegate valve housing to turbo charger 14.5 ft.lb (20 Nm)
Turbine wheel housing to wheel assembly 14.5 ft.lb (20 Nm)
Compressor wheel housing to wheel assembly 13 ft.lb (18 Nm)

[1] Check upstream catalytic converter with oxygen sensor disconnected.
[2] Timing can be checked only, no adjustments are possible.