What is making my driver and passenger side floor boards wet?
GMC Q&AAsk Your Question
2001 GMC Sierra C3 Question: my driver and passenger side floor boards are wet
Answer #1Andy Y September 27, 2010, 19:11Master
Does it have a sweet smell like coolant? That could be the heater core leaking. If it smells like regular water, it could be your heater box drains are plugged and the water is overflowing from the heater box. Your windshield seal is in good condition?