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Home >> GMC >> 1991 >> Value Van 7.4 N >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Engine Controls - Specifications - 5.9L Diesel) >> Mechanical Checks >> Valve Clearance

Valve Clearance

WARNING: This page is about a different car, the 1995 Dodge Pickup and 1995 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Valve clearance must be adjusted with engine temperature less than 140°F (60°C). For valve clearance adjusting procedure, see ADJUSTMENTS - DIESEL article in the ENGINE PERFORMANCE section.

VALVE CLEARANCE SPECIFICATIONS (1)

Application In. (mm)
Exhaust Valves (2) .020 (.508)
Intake Valves (2) .010 (.254)
(1) Adjust valves with engine temperature less than 140°F (60°C).
(2) Tighten valve adjusting nuts to 18 ft. lbs. (24 N.m).