whistling in Cab
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New User
Joined: Nov 2015
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whistling in Cab
I recently had all of my door & window weatherstripping and seals replaced and as I drive down the road I hear whistling as though air is getting through. it gets louder the faster I go. does anyone have a way that I can check to see where exactly the air is getting through?
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,235
Likes: 5,811
From: S/W Missouri, Polk county
Vent wing seals also? Does you vent wing lever have the plastic tip on it? Rear slider lock/latch and seal?
Any way you can drive down the road and have a smoke bomb on a stick, like in a wind tunnel aerodynamic test? U tube that if you get it to work out. lol Do you have the paper seal on the inside of the door?
Any chance the aluminium sill plate is not right or to low? Any chance it is your carburetor or a vacuum leak?
Is your vent ducting flap seal, vent to off seal good? Do you have the kick panel slide opening?
Any way you can drive down the road and have a smoke bomb on a stick, like in a wind tunnel aerodynamic test? U tube that if you get it to work out. lol Do you have the paper seal on the inside of the door?
Any chance the aluminium sill plate is not right or to low? Any chance it is your carburetor or a vacuum leak?
Is your vent ducting flap seal, vent to off seal good? Do you have the kick panel slide opening?
Moderator & parts slinger
Joined: Feb 2007
Posts: 50,235
Likes: 5,811
From: S/W Missouri, Polk county
He said it was a whistling noise, not a loud annoying whining noise. lol
Put her in the bed of the truck and leave the tailgate down, one hard takeoff and no more whining.
Put her in the bed of the truck and leave the tailgate down, one hard takeoff and no more whining.
Fleet Mechanic
Joined: Dec 2007
Posts: 1,511
Likes: 340
From: Wildwood Pa
I've had folded up matchbook covers under the vent window latches for almost 30 years now to take care of the whistling. It just takes a couple of folds to put enough pressure on the seals to do the trick.
If the noise is with the window open, well, you'll have to put up with some noise. These trucks are not as slick aerodynamically as the new stuff.
If the noise is with the window open, well, you'll have to put up with some noise. These trucks are not as slick aerodynamically as the new stuff.
Fleet Owner
Joined: Dec 2009
Posts: 20,678
Likes: 83
From: NorCal
First narrow down the general area aurally and at speed during the phenomenon.
Park it. Then take a dollar bill, place it across the door seal, and see how easily it drags through the seal.... you'll need to repeat the procedure over the entire area of cause.
... then check the vent windows.... do that visually.
There's also the "powder check". Close the doors and vents and blast the heater blower full speed. Sprinkle flour or other fine powder on the body seams and ID where air is leaking... and wear eye protection.
Park it. Then take a dollar bill, place it across the door seal, and see how easily it drags through the seal.... you'll need to repeat the procedure over the entire area of cause.
... then check the vent windows.... do that visually.
There's also the "powder check". Close the doors and vents and blast the heater blower full speed. Sprinkle flour or other fine powder on the body seams and ID where air is leaking... and wear eye protection.
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More Turbo
Joined: Nov 2011
Posts: 611
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From: Estevan, Saskatchewan
you think yours is bad? we had 90km/hr winds yesterday.. nearly 55mph. them corner windows HOWLED!
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Tuned
Joined: Jun 2014
Posts: 475
Likes: 34
From: Vermont
I've had pretty good luck on customers vehicles finding wind and water leaks by using the water hose and blasting every gap and seal area from the OUTSIDE(just sayin'). Let everything set for a minute so water doesn't drip down and in when you open the door to check for leaks and usually the leak will show up. If you stop spraying and open the door instantly it will throw your detective work off by letting some water in here and there. If you still can't find it then after spraying all gaps etc. with water ,grab an air hose and blow air all around the gaps and seams. That will assuredly blow a bit,or a lot, of telltale water into the cab showing the leak. Good luck! GAry
Fleet Owner
Joined: May 2015
Posts: 21,195
Likes: 306
From: Near Salmon Arm BC
Can someone please rep Allen for me....thanks.
