1999 Other Toyota Models vibration

1999 TOYOTA
178,000 MILES • 4 CYL • 2WD • AUTOMATIC
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GNIDIR2
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We recently replaced the tires thinking a bumping was a bad tire however that did not solve the problem. We took a trip of about 3000 miles and upon return the car started vibrating when you try to accelerate. Transmission seems to be shifting properly. Maybe wheen bearing , u joint or motor support?

thanks

Darre;;
Oct 11, 2010 at 12:47 PM
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MHPAUTOS
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Hi there,

Thank you for the donation,

Do you feel this vibration/ bump in the steering or the body?

Mark (mhpautos)
Oct 12, 2010 at 1:26 AM
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GNIDIR
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I feel it more in the body. It does not feel as though it is in the front wheels. It shows up more when you attempt to accelerate before the transmission downshifts to increase speed. It's almost like trying to accelerate with a standard shift while going real slow and not down shifting to increase rpm. Like lugging the engine. We have been having a slight bumping for some time at about 70mph slower or faster it goes away. It happened with 2 different sets of tires.
Oct 12, 2010 at 5:43 AM
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MHPAUTOS
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Check rear suspension and drive line carfully. styart here.

mark (mhpautos)
Oct 12, 2010 at 6:23 AM
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GNIDIR
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Thanks I already found the problem. Bad front and rear u joints.

Darrell
Oct 12, 2010 at 5:14 PM
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MHPAUTOS
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Good to hear that, was sure it was in the rear drive line.

Mark
Oct 12, 2010 at 8:41 PM