ACROPIX Inlet and Outlet HVAC Heater Hose for Ford Expedition for Lincoln Navigator 2007-2008 V8 5.4L Replace Rubber Engine Water Radiator Tube 626-537/626-540/7L1Z18472AA/8L1Z18472A
Product Highlights: Provide a good seal to prevent leaks or cracks that could jeopardize engine cooling. Improving driving performance and ensure the normal cooling of the engine.
HVAC Heater Hose Installation Cool & Drain: Let engine cool fully. Drain partial coolant to level below heater core connections. Remove Old Hose: Loosen clamps at both ends. Twist hose gently to break seal and pull off fittings without damaging them. Install New Hose: Match shape. Apply coolant to hose end for lubrication. Push firmly onto engine and heater core fittings. Secure & Refill: Position clamps 1/4" from ends and tighten. Refill cooling system with proper coolant mix. Bleeding & Test: