Wrapper

Have the driveshaft rebalanced.

On Tue, 28 Feb 2006 10:03:19 GMT, [email]jjones_001@yahoo.com[/email] (Jerry) wrote:
[color=blue]
>A week or so ago my '85 SR5 ExtraCab pickup developed a vibration. The
>vibration was there at about 55-60 mph. When going slower or faster it
>was as smooth as ever.
>Sunday I took a 100 mile trip and by the time I got back home the
>vibration was there from about 20-70 mph and when I slowed to turn onto my
>street the vibration had worsened to a definite knock and shook the whole
>truck.
>This morning I got under it and I could see that there was about 1/8 inch
>side play in the rear u-joint so I decided that since one had gone bad the
>other two were probably about ready to be replaced too so I replaced all
>three of them.
>This took about 99% of the vibration away but there is still a little when
>I let off the gas and coast about 55 mph down to about 50.
>Does anybody have any ideas what could be still causing the vibration?
>I took the center carrier (with bearing) to a mechanic and he said that it
>looked okay to him but when I put it back into the truck I could tell that
>there was a little bit of side play in it; not enough to see but I could
>feel that it was there.
>If it is measurable at all I would guess that it couldn't be more than
>1/32nd in side play. Could this be a cause for vibration?
>The bearing rolls smoothly and the rubber in the carrier doesn't have any
>cracks and nothing appears to be broken.
>If the problem isn't in the carrier where else should I be looking. As I
>said earlier, I replaced all three u-joints and I hope that it could be
>something else rather than the carrier.
>I called around and the price of a new carrier is from about $125 as
>Schucks to $285 at the local Toyota dealer. I don't want to replace the
>carrier if I don't have to.
>Any suggestions???
>jj[/color]