Re: 4kq vibration

[James Marriott <marriott@lesbois.com>]

Haudi,

Mark Nelson wrote:
> Hi all!
> 
> Well, my dad just bought two 4kq's, and we just spent last week putting
> new struts, axles, bearings, tie-rod, ends, etc. on one of them.  My dad
> went and drove it yesterday and found that it starting vibrating very
> badly above 55 mph (the first time either of us has driven it at highway
> speeds).  Up to about 53, it was fine, but after that, the vibration was
> pretty bad.  We're both pretty sure it's the support for the driveline
> to the rear differential and/or one of the joints.  I thought I would
> throw it out to one of you to see if anyone else with a 4kq has
> experienced this problem.  The more I think about it, the more I am
> thinking it's somewhere in the driveline/support.  Let me know...  TIA!

If it's not a tire, stick the car _securely_ on stands, lock both diffs,
and spin it up. The problem should be easy to spot then. BTDT.

hth,
James

'87 4kq with failed wheel bearing previously found by this method