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INSTALLATION 1. Install filter element into housing (1). 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.) 6. If any bolts were removed from air resonator hous- ing or air intake tubing, tighten them to 4.5 N·m (40 CYLINDER HEAD DESCRIPTION CYLINDER HEAD The cylinder heads are made of an aluminum alloy. The cylinder head features two valves per cylinder with pressed VALVE GUIDE SEALS The valve guide seals are made of rubber and incorporate an integral steel valve spring seat. The integral garter DIAGNOSIS AND TESTING CYLINDER HEAD GASKET 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 • Engine misfiring • Poor fuel economy Possible indications of the cylinder head gasket leaking between a cylinder and an adjacent water jacket are: • Engine overheating • Loss of coolant • Excessive steam (white smoke) emitting from exhaust • Coolant foaming 9 - 1196 ENGINE - 3.7L SERVICE INFORMATION WK |