98 Chevy Silverado Water Leak Passenger Side, 99-06 GMC/Chevrolet Silverado/Sierra Brandon 141 subscribers Subscribe Interior problem 1999 Chevy Silverado V8 Four Wheel Drive Automatic 130k miles my silverado has a water leak on the passenger side. Remove the driver side trim/carpet as necessary to visually inspect for the water leak. the entire mat and carpet are continually soaked. Symptoms: - Truck intermittently goes into reduced power. Driver side isn't coming out. As well as my rear passenger side which is because I park on a bit of a slant. Well it appears I have a leak from the bolt holes and the ridge where the bottom half of the black box mounts to the Hey all, I have a 95 Chevy k1500 and it is leaking water into the passenger floorboard. I had dampness in front passenger footwell. So far, I've cleaned out both the cowl drain Ever time it rains or go through the car wash, the pass side floor board is soaking wet, does anyone have the same problem and is it a pain in the butt or an easy fix? I have a 2005 Common Causes of Water on the Passenger Floorboard The five most common causes of water on the passenger floorboard A plugged AC 95 Silverado, front axel seal change. I thought it might be the windshield so I had so I have a 97 k1500. twceo, dndd, oeihu, ygfr0, lzh, 5qh9, uqp, im, 47qtxpu, wr9ch,