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Author Topic: Chasing squeaks in my 78 c15 heavy half fleet side  (Read 4888 times)

Offline Ben_Greenberg

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Chasing squeaks in my 78 c15 heavy half fleet side
« on: December 20, 2014, 01:02:56 pm »
Hey guys n gals!
My 78 heavy half has started making an incredibly annoying squeaking sound while I drive.

It sounds like it is by my left foot (towards the drivers side front wheel). It gets faster as the truck goes faster, does not squeak at stop or in park.

Thoughts? Things I should check? Things I should grease? Things I should replace? Any and all help is appreciated!
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Offline 80midnightchevy

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #1 on: December 20, 2014, 10:48:39 pm »
Sounds like it could be a bearing or the wheel hub assembly could be warped.
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Offline Irish_Alley

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #2 on: December 20, 2014, 11:04:10 pm »
does it stop or quite when you press the brakes?
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Offline Ben_Greenberg

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #3 on: December 21, 2014, 08:18:10 am »
I'm afraid it does not stop or quiet down when I break. It is silent under 5 mph but otherwise "squeak squeak squeak" also, there is no feedback to the steering wheel. Would I get some if the wheel hub was warped?
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Offline 80midnightchevy

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #4 on: December 21, 2014, 08:21:17 am »
Not necessarily. I currently live in japan and drive a prelude, my front disc brakes constantly become warped, no idea as to why, and there is no vibration or subtle changes in steering when I brake. It does occasionally squeak.
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Offline Ben_Greenberg

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #5 on: December 21, 2014, 03:05:25 pm »
After driving a bit today it really sounds like it might be inside the cab. Any source of squeaking from inside?
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Offline Irish_Alley

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #6 on: December 21, 2014, 05:38:29 pm »
could be sheet metal rubbing fender/cab, maybe a body bushing
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline Ben_Greenberg

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #7 on: December 21, 2014, 07:55:11 pm »
If a body bushing could do it, I'm pretty sure that's where it's coming from. I need to get a new set all around and report back
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Offline thirsty

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #8 on: December 21, 2014, 08:54:13 pm »
Quote from: Ben_Greenberg on December 21, 2014, 03:05:25 pm
Any source of squeaking from inside?

Speedometer cable.

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Offline Irish_Alley

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #9 on: December 21, 2014, 09:40:09 pm »
never thought of the cable
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If you can’t tell yourself the truth, who can you tell it to?~Irish_Alley

When you have eliminated the impossible, whatever remains, however improbable, must be the truth ~Sherlock Holmes

Offline Ben_Greenberg

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Re: Chasing squeaks in my 78 c15 heavy half fleet side
« Reply #10 on: December 22, 2014, 08:12:48 am »
I've heard of speedometer cable noise, but I haven't heard it described as squeaking that gets slower or faster based on vehicle speed. If that is a possibility I would certainly believe that is it. My speedometer has not been reading accurately, I will check the thread on here and fix that and report back.
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