Thread: Engine howls when wet?

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  1. #1 Engine howls when wet? 
    GT Level Member ShadowSwept's Avatar
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    I mentioned a problem some time ago that my car made an odd howling sound once or twice when I pulled over. I've since noticed that it only does this when driving through a puddle or other standing water. I would guess at it being a belt or something, but I'm unsure, and today I thought I noticed the smell of burning oil when the sound went on for quite a bit longer than it has before (to be fair, it looked like I was driving through a river, so it didn't surprise me).

    I'm just wondering what this could be, and what to do about it. Has anyone done any woodworking? It kind of sounds like drilling through a block of wood; a lower-pitched, wavering howl that you can't help but cringe in response to. Any suggestions?
    2001 Bonneville SLE - L36, Cone Filter, 200k miles
    2003 Grand Prix GT
    - L36, Short Ram Intake, HV3, Emissions Delete, ZZP 3" Downpipe, Overkill Tune, 200k miles

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  2. #2 Re: Engine howls when wet? 
    Moderator dsmuts's Avatar
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    Sounds like your belt squealing when getting wet. Do you have the plastic splash shield on the pass side?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: Engine howls when wet? 
    GT Level Member ShadowSwept's Avatar
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    In the tire well? Nope. That and the flywheel cover were missing when I bought the car, as well as a handful of bolts holding the rest of the plastic stuff on underneath.

    So I guess that's the problem? I can't say I'd mind an easy fix.
    2001 Bonneville SLE - L36, Cone Filter, 200k miles
    2003 Grand Prix GT
    - L36, Short Ram Intake, HV3, Emissions Delete, ZZP 3" Downpipe, Overkill Tune, 200k miles

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  4. #4 Re: Engine howls when wet? 
    Moderator dsmuts's Avatar
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    Thats most likely the problem. I have the parts from my parts car I'd sell cheap
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  5. #5 Re: Engine howls when wet? 
    GrandPrix Junkie
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    Easy fix? Don't drive it in the rain, lol... Just score the missing parts, shove some replacement bolts in the underside and call it good. IIRC the splash shield is held on w/ plastic clips which you can probably get at any auto parts store.
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  6. #6 Re: Engine howls when wet? 
    GT Level Member ShadowSwept's Avatar
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    Thanks. I'm going to snatch some parts off my old SE soon. It's a 3100 though, so I don't know that it would have those two parts. If not I'll probably be contacting you soon, dsmuts.
    2001 Bonneville SLE - L36, Cone Filter, 200k miles
    2003 Grand Prix GT
    - L36, Short Ram Intake, HV3, Emissions Delete, ZZP 3" Downpipe, Overkill Tune, 200k miles

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