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Old 05-02-2025, 05:32 PM   #1
ShinyC10
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Fender seal

My doors are pretty tight around the seals. A lot of resistance when I put a dollar bill in the closed door and pull out. It’s tight all around the door. Vents windows are brand new a tight also. The one seal I don’t have in the truck is the fender seal, long skinny one that mounts vertical (photo attached). With the doors open, I can see light through the door jamb, through the fender where it mounts and out the bottom of the engine compartment. Does these seals have any effect on wind noise in the cabs if installed or not? TIA
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Old 05-13-2025, 09:26 AM   #2
Captkaos
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Re: Fender seal

That was an optional seal. Base trim didn't get them, but Luxury trim YE9 - Silverado/Sierra Classic received those automatically. There will be no impact on wind noise with the addition to those.
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Old 05-13-2025, 10:06 AM   #3
ShinyC10
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Re: Fender seal

Quote:
Originally Posted by Captkaos View Post
That was an optional seal. Base trim didn't get them, but Luxury trim YE9 - Silverado/Sierra Classic received those automatically. There will be no impact on wind noise with the addition to those.
I can not for the life of me figure out the wind. Does seals are new and tightly sealed so I’m lost. I even tried adding an additional universal style seal and it did nothing.
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Old 05-13-2025, 10:45 AM   #4
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Re: Fender seal

Is this your first 73-87, compared to even the 88-98 they have more wind noise.
Did you check the seal the whole perimeter around the door?
Is the door vent flapper at the bottom in place?
What trim level is the truck?
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1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
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Old 05-13-2025, 03:33 PM   #5
Keith Seymore
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Re: Fender seal

Quote:
Originally Posted by ShinyC10 View Post
I can not for the life of me figure out the wind. Does seals are new and tightly sealed so I’m lost. I even tried adding an additional universal style seal and it did nothing.
They had wind noise when new.

When I would get vehicles to fluff and puff for executives I already knew I would have to:

Fix wind noise
Balance and vector tires
Balance driveline
Adjust panel fit and finish
Cut and buff paint for show vehicles
etc

K
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Old 05-13-2025, 03:35 PM   #6
Keith Seymore
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Re: Fender seal

You could try taping off portions of the exterior to see the effect.

Ie - tape around the vent window to door. Tape around the belt seal. Tape over the A pillar to door gap. Etc.

Tape everything and start removing pieces to see when it lights up.

K
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Old 05-13-2025, 07:04 PM   #7
ShinyC10
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Re: Fender seal

Quote:
Originally Posted by Captkaos View Post
Is this your first 73-87, compared to even the 88-98 they have more wind noise.
Did you check the seal the whole perimeter around the door?
Is the door vent flapper at the bottom in place?
What trim level is the truck?
Yes technically but I’ve had it for 15 years. After rebuilding the truck, swapped the cab and replaced all the seals. I guess it just doesn’t seal as best as it should.
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Old 05-14-2025, 09:46 AM   #8
Willie Makeit
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Re: Fender seal

Quote:
Originally Posted by Keith Seymore View Post
They had wind noise when new.
I was just about to post that same statement. So glad someone "in the know" like yourself said it before me.
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Old 05-14-2025, 12:08 PM   #9
Captkaos
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Re: Fender seal

Quote:
Originally Posted by ShinyC10 View Post
Yes technically but I’ve had it for 15 years. After rebuilding the truck, swapped the cab and replaced all the seals. I guess it just doesn’t seal as best as it should.
See Keiths suggestions above on tracking it down.
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1973 Chevy C-10
1978 GMC Jimmy (2WD) - SOLD
1987 R10 twin turbo LS
1991 R3500 SRW CrewCab
1985 K5 diesel swapped project
1989 K5 2WD conversion w/ Vette susp Project
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Old 05-15-2025, 05:01 PM   #10
ShinyC10
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Re: Fender seal

Quote:
Originally Posted by Keith Seymore View Post
You could try taping off portions of the exterior to see the effect.

Ie - tape around the vent window to door. Tape around the belt seal. Tape over the A pillar to door gap. Etc.

Tape everything and start removing pieces to see when it lights up.

K
I’ll give this another shot.
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Old 05-17-2025, 10:44 AM   #11
v30crewcab
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Re: Fender seal

I've always wondered if the rain gutters made alot of wind noise. the one piece vent windows helped for sure.
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