Bearing noise? Rod knock? Bad HB? Luckily, not... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-21-2007, 07:19 PM   #1
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Default Bearing noise? Rod knock? Bad HB? Luckily, not...

I was sitting in the drive-through at Wendy'* last night waiting for my Baconator, when I started hearing a clattering sound from under the '98 LeSabre. I could only hear it at idle, and only in Drive...

In a panic, I went through the noise checklist in my mind...bearing noise? Rod knock? Bad harmonic balancer?

Put her up on the ramps this morning to check it out...
http://s231.photobucket.com/albums/e...Noise_0001.flv

Just a loose dogbone mount, whew!!!

Some jacking, some wrenching, and we're as good as new.
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Old 10-21-2007, 07:24 PM   #2
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Phew!
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Old 10-22-2007, 09:24 AM   #3
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Glad to hear it was nice and small.

FYI S2'* haven't seen the typical HB failure like the S1'*. Maybe it'* because of the aging, overall it'* not very common yet. (even on my 200K + balancer)
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