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HEATER SUPPLY TUBE REMOVAL 3.5L ENGINE WARNING: Do not remove pressure cap with sys- 1. Drain cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE). 2. Remove upper and lower intake manifold (Refer to 9 - ENGINE/MANIFOLDS/INTAKE MANIFOLD - MANIFOLD - LOWER - REMOVAL). 3. Position lower intake manifold upside down on bench and remove the tube retaining bolt (5). 4. Remove heater supply tube (4) from manifold and discard O-ring (2). 5.7L/6.1L ENGINE 1. Disconnect negative battery cable. 2. Drain cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE). 3. Remove intake manifold (Refer to 9 - ENGINE/ MANIFOLDS/INTAKE MANIFOLD - REMOVAL). 4. Remove heater hoses from heater tubes. 5. Remove heater tube mounting bolts. 6. Remove heater tubes from water pump housing and remove from vehicle. 7 - 60 ENGINE LX |