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INSTALLATION 1. Install filter element into housing. 2. Position housing cover into housing locating tabs. 3. Pry up 4 spring clips and lock cover to housing. 4. Install air duct to air cleaner cover and tighten hose clamp to 3 N·m (30 in. lbs.) torque. 5. If any other hose clamps were removed from air intake system, tighten them to 3.4 N·m (30 in. lbs.) torque. 6. If any bolts were removed from air resonator housing or air intake tubing, tighten them to 4.5 N·m (40 in. lbs.) torque. CYLINDER HEAD OPERATION—CYLINDER HEAD The cylinder head closes the combustion chamber allowing the pistons to compress the air fuel mixture to the cor- DIAGNOSIS AND TESTING - CYLINDER HEAD GASKET FAILURE A cylinder head gasket leak can be located between adjacent cylinders or between a cylinder and the adjacent • Possible indications of the cylinder head gasket leaking between adjacent cylinders are: − Loss of engine power • Possible indications of the cylinder head gasket leaking between a cylinder and an adjacent water jacket are: − Engine overheating CYLINDER-TO-CYLINDER LEAKAGE TEST To determine if an engine cylinder head gasket is leaking between adjacent cylinders, follow the procedures in Cyl- CYLINDER-TO-WATER JACKET LEAKAGE TEST WARNING: USE EXTREME CAUTION WHEN THE ENGINE IS OPERATING WITH COOLANT PRESSURE CAP VISUAL TEST METHOD With the engine cool, remove the coolant pressure cap. Start the engine and allow it to warm up until thermostat If a large combustion/compression pressure leak exists, bubbles will be visible in the coolant. COOLING SYSTEM TESTER METHOD WARNING: WITH COOLING SYSTEM TESTER IN PLACE, PRESSURE WILL BUILD UP FAST. EXCESSIVE Install Cooling System Tester 7700 or equivalent to pressure cap neck. Start the engine and observe the tester’s 9 - 1464 ENGINE - 5.7L SERVICE INFORMATION WK |