Weird Vibration in Park - Maintenance and Repair Forum

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Weird Vibration in Park
Wednesday, November 30, 2005 10:08 PM
1998 Cavalier 2200 Automatic

36,000 original kms...

The car runs fantastic....but when I have the engine idling in park...and only park....I feel/hear this wierd grinding grumbling sound through the firewall/brake pedal. No smells or loud sounds accompany it...just sort of a grumbling vibration...

The second I put it in any other gear...it goes away...the car runs quiet and smooth.

Any idea what this is. It is the 3 speed auto tranny

Re: Weird Vibration in Park
Thursday, December 01, 2005 5:47 PM
motor mount?


Re: Weird Vibration in Park
Saturday, December 03, 2005 8:39 AM
If u have after market mounts, it will do it. After i put mine on, at idle, she is kinda rough.
Re: Weird Vibration in Park
Saturday, December 03, 2005 4:46 PM
Mine does that too. Not a motor-mount style vibration, but a slight roughness. I assume (or hope) it's just somethign about the way the car is designed.
Re: Weird Vibration in Park
Saturday, December 03, 2005 5:13 PM
Quote:

motor mount?


What?????

Okay, just to let you know the 2200 idles like a piece of s#@% out of the factory.
I need you to open your hood and try to isolate where the sound is coming from. Post back and I'll help you out more.


Tach Out Motorsports
Option D Inc.
Re: Weird Vibration in Park
Saturday, December 03, 2005 5:19 PM
36k on a 98 cav!? wow, what did it not have an engine for 6 years or something?



Re: Weird Vibration in Park
Saturday, December 03, 2005 8:25 PM
Orlandomon wrote:36k on a 98 cav!? wow, what did it not have an engine for 6 years or something?

Yeah really, my 98 has 86k miles!


Re: Weird Vibration in Park
Saturday, December 03, 2005 8:53 PM
my 98 has 120K. I noticed this too it happens when i put it in park and the coast back alittle and gets caught by the tranny and it grinds kinda against the force of the trany holdin it


1998 Sunfire, 2.2L auto
Re: Weird Vibration in Park
Sunday, December 04, 2005 12:45 AM
Its not something you can actually hear outside of the car...more of a feeling in the pedal combined with a slight grinding noise...glad Im not the only one
Re: Weird Vibration in Park
Sunday, December 04, 2005 1:44 PM
Yeah seems like it's a normal thing. Not to jack, but 36,000 km on a 98? I have 95k miles on my 98... do you only drive it at weekends? lol
Re: Weird Vibration in Park
Sunday, December 04, 2005 2:13 PM
oh wait, KILOMETERS, dunno what that is in thousands of miles, but .62miles=1km, so thats not too bad.



Re: Weird Vibration in Park
Tuesday, December 06, 2005 8:04 AM
^exactly, KM is less than miles! mines a 97 and has 160000+ miles!



Re: Weird Vibration in Park
Tuesday, December 06, 2005 11:35 AM
I think thats a natural thing. My 2000 cav with 42K miles on it does that too, and has been doing it since I bought it with 35K miles about six months ago. so I think that is just how the engine is design. That is the only thing I did not like when I bought the car, but you get used to it!




stock '00 2200 cavy
Re: Weird Vibration in Park
Monday, December 12, 2005 9:18 PM
It was parkerd for several years. I runs like brand new...although I swear the 2200 engine never idled well from the factory. Driven 4 or 5 of them with a slight idle shudder.
Re: Weird Vibration in Park
Monday, December 12, 2005 10:30 PM
I think it was just the way our cars were designed... they seem to idle low and rough. With my aftermarket mounts... the hood bounces in park, but as soon as it goes into gear, rides smooth.



Re: Weird Vibration in Park
Tuesday, December 13, 2005 10:20 PM
Do you also find that when you release the gas pedal in drive the car barely moves forward....it really struggles (DOES NOT MISS) but doesnt want to idle forward without the gas pedal.
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