Highway vibration only while accelerating between 45 and 55. : 2000-2005 (other than GXP)

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Highway vibration only while accelerating between 45 and 55.

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FiendScurro

Post subject: Highway vibration only while accelerating between 45 and 55.

Posted: Sat Nov 22, 2014 9:31 am

Posts like an LG3

Joined: Mon Sep 17, 2012 11:40 pm
Posts: 370
Location: Rochester, NY
Year and Trim: 2000 SLE

This is not a tire vibration this is an engine/driveline vibration.
Vibration cuts out exactly at 60. No problem if under wot through this mph range.
No cel light.

Possible issues include false knock, transaxle, transmission, engine or trans mounts or something else.

Where should I start?

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Dan

Scurro

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nos4blood70

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 12:16 pm

Certified Bonneville Nut

Joined: Mon May 10, 2010 6:11 pm
Posts: 9495
Location: Chicago, IL
Year and Trim: 2003 SLE

Have you ever checked your front wheel bearings? Any signs of leaking fluid anywhere? Have you ever replaced the front trans mount?

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-Car Guy Carl
"Penelope" - 2003 SLE - 247k Miles
"Sydney" - 2000 Honda S2000 - 98k miles

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FiendScurro

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 12:59 pm

Posts like an LG3

Joined: Mon Sep 17, 2012 11:40 pm
Posts: 370
Location: Rochester, NY
Year and Trim: 2000 SLE

Wheel bearings are both new within 8k miles. Only leak is from power steering pump which is being replaced tonight. And I've only had car for 36k nd I have not put in new mount but it still has sticker on it so I think they replaced it at 101k when I bought it and they put a new tranny in.

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Dan

Scurro

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nos4blood70

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 2:03 pm

Certified Bonneville Nut

Joined: Mon May 10, 2010 6:11 pm
Posts: 9495
Location: Chicago, IL
Year and Trim: 2003 SLE

Do you have clunky shifts?

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-Car Guy Carl
"Penelope" - 2003 SLE - 247k Miles
"Sydney" - 2000 Honda S2000 - 98k miles

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RJolly87

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 2:38 pm

Certified Bonneville Nut

Joined: Tue May 27, 2008 8:53 am
Posts: 5403
Location: Las Cruces, NM
Year and Trim: 1993 Buick Park Avenue
1994 Buick Regal Custom

If you lightly drag the brakes when the problem is happening, does it go away?

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~Randall~

1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place

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FiendScurro

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 3:07 pm

Posts like an LG3

Joined: Mon Sep 17, 2012 11:40 pm
Posts: 370
Location: Rochester, NY
Year and Trim: 2000 SLE

Shifts are great. Firm. Idk about breaking while accelerating I did not check that. Are you thinking torque converter?

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Dan

Scurro

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RJolly87

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 5:47 pm

Certified Bonneville Nut

Joined: Tue May 27, 2008 8:53 am
Posts: 5403
Location: Las Cruces, NM
Year and Trim: 1993 Buick Park Avenue
1994 Buick Regal Custom

I am thinking misfire. When the torque converter locks at low speed is when it is most likely to happen usually. Break the torque lock by just touching the pedal, and that gives you another piece of information.

_________________
~Randall~

1993 Buick Park Avenue - 197k - Some odds and ends done - Simply won't die
1994 Buick Regal - 78k - Bone stock - Always ready for a good kicking
1990 Oldsmobile 88 - Gone to a better place

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FiendScurro

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Sat Nov 22, 2014 9:26 pm

Posts like an LG3

Joined: Mon Sep 17, 2012 11:40 pm
Posts: 370
Location: Rochester, NY
Year and Trim: 2000 SLE

I did the break thing and no change. But I solved the problem, it's the left drive axle. Did a ride along with a club member. Should be fun.

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Dan

Scurro

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FiendScurro

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Wed Nov 26, 2014 8:42 am

Posts like an LG3

Joined: Mon Sep 17, 2012 11:40 pm
Posts: 370
Location: Rochester, NY
Year and Trim: 2000 SLE

New drive axle is in and I'm vibration free. Thanks for the input!

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Dan

Scurro

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2000ish

Post subject: Re: Highway vibration only while accelerating between 45 and

Posted: Tue May 12, 2015 8:58 pm

LE Member

Joined: Thu Apr 09, 2015 12:28 am
Posts: 4
Year and Trim: 2000 Pontiac Bonneville SSEI

Was your vibration from side to side? Like it shook the car? I'm having the same problem just put new wheel hubs and brakes and its still there around 50mph. I hit the brakes and it goes away as long as my foots on the brake. Kinda like if I had bad bearings but I just replaced them less than 100 miles ago.

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Portal » Board index » Mechanical and Maintenance (no chat or performance) » 2000-2005 (other than GXP)

All times are UTC - 5 hours [ DST ]

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