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Squeaking from dashboard C70

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Sveedy
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Re: Squeaking from dashboard C70

Post by Sveedy »

I'd be careful spraying anything down and around if you think you might remove the dash for a permanent repair, as the spray might cause issues with any glue or epoxy sticking to the plastic.
Try to learn life's bad lessons vicariously through others.


1996 850 Turbo GLH ( Goes Like Hell )
1999 V70 GLT

CoupeC70
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Post by CoupeC70 »

Maybe spirit cleaner or something?
It is essential to clean the parts beforehand anyway or not :)

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Sveedy
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Post by Sveedy »

Seems like some glues fail to bond to this plastic anyway. That's all I was thinking about.
Yes, I used acetone to prep when I did my dash repairs. 3 or 4 years now and still good.
Try to learn life's bad lessons vicariously through others.


1996 850 Turbo GLH ( Goes Like Hell )
1999 V70 GLT

CoupeC70
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Post by CoupeC70 »

I don't know how to repair plastic anyway :)

Are there any tricks to get rid of the noise if the spray doesn't work?

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Sveedy
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Post by Sveedy »

Well I was dealing with an 850, so might be a bit different. As the dash starts to fail, it wants to drop down toward your knees, so I would probably avoid shimming too much around the windshield. I could actually lift up the whole dash from down by the kick panel and see it move. So to get by till I could fix it, I shimmed it between the steering column and the dash with an inflatable bag shim. Not very pretty, but it worked. But if yours is just the face plate, then maybe a spray of glass cleaner will penetrate enough.
Try to learn life's bad lessons vicariously through others.


1996 850 Turbo GLH ( Goes Like Hell )
1999 V70 GLT

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Chuck W
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Post by Chuck W »

Don't spray stuff behind the dash...
'97 854 T5 - Manual Swap/M4.4/COP/NA cams/P2R Brakes/16T/ chassis bracing/ XC70 nose swap
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.

The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6

CoupeC70
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Post by CoupeC70 »

I want to spray into the gap between the windshield and the dashboard. But I don't really know what exactly is behind the dashboard. The mounts and something else? but are they reachable? I got an extension that can spray in any direction...
Can I reach anything important through the glove box?
I'm just only hopeful because heat reduces the noise a lot and sometimes makes it disappear completely.

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Post by CoupeC70 »

P.s. @chuck

Why ?

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Chuck W
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Post by Chuck W »

Because you're just going to make a mess and not accomplish much.

This is an 850, but this is what's behind the dash.

Image
Last edited by Chuck W on 24 Nov 2025, 06:25, edited 1 time in total.
'97 854 T5 - Manual Swap/M4.4/COP/NA cams/P2R Brakes/16T/ chassis bracing/ XC70 nose swap
'97 855 GLT - Hers. RN swap/16T/COP/VVT/exhaust/302s/Flashed M4.4/ chassis bracing/ 2 kid seats
'78 GLE - Waiting in the wings. Future whiteblock/T5 swap.

The Others- '83 TBird turbo, '85 Mercury Marquis LTS (1 of 134), '86 LTD Wagon, '81 Granada GL, '76 Beetle, '93 F-150 I6

CoupeC70
Posts: 29
Joined: 14 March 2019
Year and Model: C70 Coupe '01
Location: Hessen
Has thanked: 5 times

Post by CoupeC70 »

@Chuk_W

Thats not looking nice without dash :)

Bought Osixo anti-squeak aerosol, some Krytox stuff.
Is also used in the automotive industry
It's worth a try before I open a big construction site

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