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 Plastic creek from dash?

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carguy8888
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Name : Brian Cohen
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Plastic creek from dash? Empty
PostSubject: Plastic creek from dash?   Plastic creek from dash? EmptySat Aug 22, 2020 11:07 pm

When I get in my car after the first couple of bumps I hear a plastic creaking or crackling from the dash. Is this common and is there a certain place it comes from or a fix? I know the 90s cards were full of inexpensive plastic but I would like to get rid of the noise.
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LARRY70GS
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LARRY70GS

Name : Larry
Age : 63
Location : Oakland Gardens, NY
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 9:55 am

Have you ever had the dash apart?

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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carguy8888
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Name : Brian Cohen
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 3:00 pm

Nope, I doubt it's ever been apart.
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LARRY70GS
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LARRY70GS

Name : Larry
Age : 63
Location : Oakland Gardens, NY
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Merit : 120

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 3:22 pm

Well, see if you can localize the sound. Then take the dash off.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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LARRY70GS
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LARRY70GS

Name : Larry
Age : 63
Location : Oakland Gardens, NY
Joined : 2007-01-23
Post Count : 1831
Merit : 120

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 3:22 pm

Well, see if you can localize the sound. Then take the dash off.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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carguy8888
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Name : Brian Cohen
Joined : 2019-01-07
Post Count : 438
Merit : 1

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 3:31 pm

It doesn't happen all the time just when they coffer starts moving. Just thought it could be a common issue.
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albertj
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albertj

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Location : Finger Lakes of New York State
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 4:09 pm

carguy8888 wrote:
When I get in my car after the first couple of bumps I hear a plastic creaking or crackling from the dash. Is this common and is there a certain place it comes from or a fix? I know the 90s cards were full of inexpensive plastic but I would like to get rid of the noise.

Way back in the mists of time, there was a TSB about this.

The "fix" in general is to re-secure the screw-in dash fasteners, using loctite blue, and put a little thin foam or thin rubber (think inner tube material, or teflon tape like used for pipefitting) into the mounting points that are secured with push in fasteners (or lube the points with graphite so you don't get a noise when they flex).

You need to dismantle the dash pretty far to reach all the fasteners. Happy hunting, and keep the service manual handy.
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carguy8888
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Name : Brian Cohen
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 4:12 pm

That makes it easy, forget it LOL.
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LARRY70GS
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LARRY70GS

Name : Larry
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Location : Oakland Gardens, NY
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 4:15 pm

carguy8888 wrote:
It doesn't happen all the time just when they coffer starts moving. Just thought it could be a common issue.

Coffer? You mean coffee? Next time you hear the noise, push on the cover that flips back to reveal the cup holders. That has been known to make noise.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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carguy8888
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Name : Brian Cohen
Joined : 2019-01-07
Post Count : 438
Merit : 1

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptySun Aug 23, 2020 4:18 pm

I didn't even realize that. What I meant to say is when the car starts moving. Easy enough to check that lid, thanks Larry.
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albertj
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albertj

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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyMon Aug 24, 2020 2:32 pm

carguy8888 wrote:
That makes it easy, forget it LOL.

It's not difficult, just tedious. Best to work on it in a large garage, or outdoors, so you can open the doors. That makes it easy to remove the decorative instrument panel and top dash pad. On my car, it was the bolt holing the dash on that you could get to after removing the instrument panel fascia, in about the lower middle. The push fasteners on the dash pad were an issue too but not hard to fix with a little foam padding. The foam has compressed... but it does not squeak/chirp.
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carguy8888
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Name : Brian Cohen
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyMon Aug 24, 2020 6:52 pm

That's way beyond me Albert. I was thinking of taking a little WD-40 with the red nozzle and giving a little blast the top dash pad and the dash. not sure if there's space for it because I did not bother to look oh, it was way too hot after work today.
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LARRY70GS
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LARRY70GS

Name : Larry
Age : 63
Location : Oakland Gardens, NY
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Post Count : 1831
Merit : 120

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyMon Aug 24, 2020 7:06 pm

Taking apart the dash is surprisingly easy.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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carguy8888
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Name : Brian Cohen
Joined : 2019-01-07
Post Count : 438
Merit : 1

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyMon Aug 24, 2020 7:11 pm

Probably is but I don't want to chance it to make it worse LOL.
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carguy8888
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Name : Brian Cohen
Joined : 2019-01-07
Post Count : 438
Merit : 1

Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyThu Sep 03, 2020 9:42 pm

I accidentally found the source of the creek. It was the hinge behind the glove box door squeaking like crazy. A little WD-40 and what a difference.
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Jack the R
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Jack the R

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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyThu Sep 03, 2020 9:53 pm

If/when the squeek comes back, try silicone spray instead - Link

WD-40 is a penetrating oil, not a lubricant. It will dry, and then you won't have any lubrication.
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carguy8888
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Name : Brian Cohen
Joined : 2019-01-07
Post Count : 438
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Plastic creek from dash? Empty
PostSubject: Re: Plastic creek from dash?   Plastic creek from dash? EmptyThu Sep 03, 2020 9:54 pm

Thank you, easy enough.
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