walkerbzz11
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- Tennessee
Can anyone help me stop the water from coming in my cab? It seems to drip down the corners on each side from the firewall and then puddles up in the floorboards. Thanks.
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Cab leaking
- Thread starter walkerbzz11
- Start date
walkerbzz11
Member
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- Tennessee
It's an 84 M1008 by the way.
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- Portland, OR
Windshield gasket?
walkerbzz11
Member
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- Tennessee
Hey! Wow. Im new so this is cool to me. Yea. Brand new windshield and gasket. Twice. As soon as I bought this truck in September 2022, I took it to have the windshield replaced. Then six months ago had to do it again because a storm blew a big limb down and broke it again.
- 2,051
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- Portland, OR
Ok! Well probably can rule that out. The next thing I would look at is to check all the grommets and seals on the firewall up under the dash and also check out and clean all of the cowling area - I've seen where vehicles can get pine needles and other debris build-up in the cowl area where air is routed to the HVAC system and this can clog up the drains in the baffles that separate the water from the air.
walkerbzz11
Member
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Ok. I'll get on it asap. Thanks.
cucvrus
Well-known member
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On 40-year-old vehicles it would be a great idea to remove the windshield and windshield seal and take a close look at the pinch weld. These pictures were taken 9 years ago from an M1009 I worked on. CUCV head gasket / head/ or change engine survey | Page 5 | SteelSoldiers
Rust NEVER sleeps. Good Luck.
Rust NEVER sleeps. Good Luck.
- 653
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- Reydon, OK
Did it leak when you first got it?
walkerbzz11
Member
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- Tennessee
I appreciate the info and will keep it in mind but as mentioned before I've had the windshield changed twice in this year and a half I've owned it. The owner of the glass repair business said it's absolutely not leaking around the glass or gasket. I trust his word. I think my next step would be what the General said and try to find these grommets and seals in the cowl area. Thanks.
walkerbzz11
Member
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- Tennessee
I don't remember to be honest. It was September and it's usually very dry here then and I took the truck to my glass man asap after I bought it. I guess it's possible but my glass man is sure it's not coming from the windshield or gasket.
walkerbzz11
Member
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- Location
- Tennessee
Well. I've removed the wipers and cowl and cleaned all that up. It was junked up in there. Mighty large eat nest and who knows how many years of dirt but my water hose says that ain't it. Still getting water in the cab. Where are these grommets and seals please?
nyoffroad
Well-known member
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- Rochester NY
Your using a hose to find the leak, start at the bottom and work your way up, You can use duct tape to rule out things like the windshield and door seals ectra.
walkerbzz11
Member
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- Location
- Tennessee
I used a hose to wash all the soil out of the cowl area then thought I'd peak inside and of course saw a small stream of water coming down each corner. Getting dark now. I gotta take the heater out anyway as well sometime. I'll get it. Just ain't dug deep enough yet. Thanks.
cucvrus
Well-known member
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Rust is a possibility. The seam sealer is also very dry and brittle. Finding a water leak on a internet thread is going to an endless mission. These trucks are 40 years old and have been kicked, drilled, modified and beat since day 1.
walkerbzz11
Member
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- Location
- Tennessee
Ok. I'm not sure the windshield area is the problem after letting water down in the cowl area to clean it out. Water came in during that process so I'm thinking that ain't it but Im calling my windshield man today. Thanks.
cucvrus
Well-known member
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- Jonestown Pennsylvania
Strip out some of the interior and check it out.
walkerbzz11
Member
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- Tennessee
Son! Thatns gutted!
nyoffroad
Well-known member
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- Rochester NY
Been there done that many times, not doing it again! I've retired.
walkerbzz11
Member
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- Tennessee
My rubber mat is junky anyways. Probably needs to go.
walkerbzz11
Member
- 80
- 41
- 18
- Location
- Tennessee
Well, you and me are both right. The floor board vents are leaking but both bottom corners of the windshield are wet. I've called my windshield man and gonna take it back to him and I guess get some kinda of sealant to put around the floor vents.
