smartcarofamerica.com/threads/2006-smart-two-for-two.162945

1 excerpts.

Forum thread: 2006 Smart Two for Two

smartcarofamerica.com/threads/2006-smart-two-for-two.162945 · p. 1 · Applies to: 452

Source: smartcarofamerica.com Topic: coolant leak Models discussed: 452 Solution status: unclear

Problem: 2006 Smart car losing coolant fluid with water leaking from under the middle of the car where hoses enter a metal housing; water pump shows no leakage signs.

Solution: Pull down the plastic belly pan to access the coolant hoses underneath. The leak is likely in the hose connections or housing in the undercarriage area. Be careful when removing the belly pan as the plastic clips holding it in place along the rocker panels are fragile and frequently break.

Key facts: - Coolant loss with leakage originating from the center undercarriage area where motor hoses connect to a metal housing - Water pump inspection showed no signs of leakage - Belly pan must be removed to access the problematic hoses and connections - Plastic clips holding belly pan and rocker panels are fragile and prone to breaking during disassembly - Undercarriage contains multiple components including hoses, pipes, brake lines, and master cylinder