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Home >> Isuzu >> 2004 >> Ascender 4WD L6-4.2L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Engine >> Cylinder Head Assembly >> System Specifications
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System Specifications

Surface Flatness
Exhaust Manifold Deck 0.08 mm (0.003 inch)
Intake Manifold Deck 0.08 mm (0.003 inch)
Block Deck 0.08 mm (0.003 inch)

Intake Manifold Bolt 16 Nm (12 ft. lbs.)
Camshaft Cap Bolt 10 Nm (106 inch lbs.)

Exhaust Manifold Tightening Sequence:





Exhaust Manifold Bolts
First Pass 25 Nm (18 ft. lbs.)
Second Pass 25 Nm (18 ft. lbs.)
Final Pass 25 Nm (18 ft. lbs.)
For specifications regarding Cylinder Head bolts, refer to service procedure. Service and Repair