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vibration on accelerating 1990 Dodge caravan

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elgolfo

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May 14, 2006, 2:21:45 PM5/14/06
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I have just done a total front end and brake job on my van to the tune
of 1500.00 and it still vibrates or shakes on acceleration speacially
in slower speeds but is still there at high speeds just not as
noticable. Help Help.I have new tires ,ball joints, axles, you name it
,its new also the brakes pads calipers roters. It also has a new tranny
and mounts.Elgolfo in BC

Shep

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May 14, 2006, 2:33:37 PM5/14/06
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How does the vibration manifest itself, body, steering?
"elgolfo" <elg...@shaw.ca> wrote in message
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William J. Ford

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May 14, 2006, 2:51:26 PM5/14/06
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You possibly have an engine misfire that is causing the vibration.
Try this, put the gear shift into drive, keep your left foot on the brake
and step on the gas pedal with your right foot to about 1500 to 2000 rpms
for a few seconds. If you feel a vibration or roughness then its the engine
that's misfiring.


"elgolfo" <elg...@shaw.ca> wrote in message
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Kevin

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May 14, 2006, 3:19:15 PM5/14/06
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"elgolfo" <elg...@shaw.ca> wrote in message
news:1147630905....@g10g2000cwb.googlegroups.com...

Was all this work done to try and fix an existing vibration or is the
vibration a result of all this work?
Or, did the van just need a lot of work but no one tried to diagnose and fix
the vibration?

Guess what I am trying to say is, If you can not tell what is causing the
vibration, then you should have it diagnosed by someone who can. There are
to many possible causes for vibrations to cover them all in an e-mail here.

Perhaps if you could be more specific about the vibration, ie. does the
whole body vibrate, does it get worse as the engine rpms increase or is it
varying in relation to the tire speed rather than engine speed? Does it
vibrate if you hold your brakes on and rev up the engine in drive? When did
it start vibrating. Did it appear all of a sudden or has it gradually been
getting worse. Does the vibration change a lot when going from accelerating
to coasting? You said a lot of work was done, but was the drive shaft
checked, how about the u-joints, the rear transmission mount, the rear
brakes, were the wheels checked for runout and are you sure none are bent.,

See what I mean. We need more information to provide a likely solution.

george...@gdc4s.com

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May 14, 2006, 5:16:38 PM5/14/06
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sounds like worn or broken motor mounts. Have someone look at 'em.

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