Heavy rain=water on dash? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

clemsonteg · 07-05-2018, 08:50 AM

I don’t typically drive my truck in the rain, but I was caught in a rather heavy storm today on the way home. I noticed that water began dripping on my foot and on the passenger side as well.

Upon further inspection, it appears that the water is on the dash and leaking through what appear to be drains. My winshield and seal are new and so is the sealant in the drip rails.

Is this a common problem? Any thoughts on where the water might be coming in at?

**driller35** · 07-05-2018, 09:17 AM

Mine does the same with the water dripping on my feet, I haven't found the source as of yet

notsolo · 07-05-2018, 09:26 AM

Unless you have big cracks,holes in the drip rail. Most likely leaking around top of windshield. Tape off your painted areas near rubber corners, use nylon tool to ease rubber away from metal as you caulk 8" - 10" from each corner. Sika Flex 1a....3m 5200 both polyurethane. That's what I would do.

**Grumpy old man** · 07-05-2018, 10:13 AM

Use these .

https://www.permatex.com/products/ad...-glass-sealer/

https://www.ebay.com/itm/3-Windshiel...EAAOSwyP5aOoO9

07-05-2018, 08:50 AM	#1
clemsonteg Registered User Join Date: Jul 2012 Location: Anderson,SC Posts: 953	Heavy rain=water on dash? I don’t typically drive my truck in the rain, but I was caught in a rather heavy storm today on the way home. I noticed that water began dripping on my foot and on the passenger side as well. Upon further inspection, it appears that the water is on the dash and leaking through what appear to be drains. My winshield and seal are new and so is the sealant in the drip rails. Is this a common problem? Any thoughts on where the water might be coming in at?

07-05-2018, 09:17 AM	#2
driller35 Senior Member Join Date: Aug 2009 Location: Calgary,AB Posts: 323	Re: Heavy rain=water on dash? Mine does the same with the water dripping on my feet, I haven't found the source as of yet __________________ 72 Chev Cheyenne Super SB 4x4 350,4spd,buckets, tilt,tach,am-fm,extreme tow hooks,Canadian Model Production 1 of 52 SOLD 70 Chev CST, 350 auto, PS, PB, AC, tach

07-05-2018, 09:26 AM	#3
notsolo Registered User Join Date: Apr 2008 Location: Md Posts: 2,482	Re: Heavy rain=water on dash? Unless you have big cracks,holes in the drip rail. Most likely leaking around top of windshield. Tape off your painted areas near rubber corners, use nylon tool to ease rubber away from metal as you caulk 8" - 10" from each corner. Sika Flex 1a....3m 5200 both polyurethane. That's what I would do. __________________ http://67-72chevytrucks.com/vboard/s...d.php?t=635605

07-05-2018, 10:13 AM	#4
Grumpy old man Senior Member Join Date: Dec 2013 Location: Gods country East,Tn Posts: 8,545	Re: Heavy rain=water on dash? Use these . https://www.permatex.com/products/ad...-glass-sealer/ https://www.ebay.com/itm/3-Windshiel...EAAOSwyP5aOoO9

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