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I'm prompted to write this by watching Mike Brewer on Driven
last night, parking various superminis. I see it every day, and
it makes me wince.
I've just had to replace my steering tie rods (ball joints in
Mazda-speak). The steering rack is connected to the wheel hub
carriers by the track rods. The track rods screw into the ends
of the rack, and are connected to the hub carriers by the famous
track rod ends. The inner end has a ball joint, and so does the
outer.
If you drive a manual steering car, you'll know that it is much
harder to turn the steering wheel when the car is completely stationary
than if you inch it forward or backward slightly. But it's pretty
easy to turn the wheel with power steering when stopped - but
it puts enormous strains on the steering joints, and it knackers
them. Obviously this is what the previous owner did in Nagoya
whilst parking prior to stuffing it into the bus stop. ;-)
Most cars just wear the (outer) track rod ends, but Mazdas generally
(BMW's and others, too) are inclined to wear the inner joints.
(Not that the outer ends are immune) The symptoms are that the
front end feels generally loose and rattly, and if you grasp the
wheel with the car jacked up, or even not) and turn the wheels
as if steering by hand, you'll find a bit of play and a discernible
clunk.
Pretty straightforward job to replace them, but the parts cost
70-odd and of course you need an alignment job.
So please - don't turn the steering wheel with the car stationary,
just because you can. Make sure it's moving slightly. I might
want to buy your car one day! :-) (1/01)
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