
9
locking dierenals because wind-up occurs even more quickly
than with standard dierenals.
Two LOCK-RIGHTs. The LOCK-RIGHT in the rear axle
produces about 70% of the total dierence in tracon between
two LOCK-RIGHTs and no LOCK-RIGHTs. Therefore, four-wheel
drive will be needed less oen than before because two-wheel
drive now will get you farther. If you are in four wheel drive
where it is not needed, the steering will tend to become ser
than normal because of increased fricon in the front axle uni-
versal joints and the vehicle also will tend to understeer. This
eect is produced by limited driveline wind-up and connues
unl one of the wheels slips a lile to reieve the tension. We
therefore recommend that you use four-wheel drive only when
you need it.
A Word About Noise. During the operaon of the many
vehicles in which the LOCK-RIGHT has been installed, we’ve
somemes noced a couple of “noises” which should be men-
oned.
a)Click. The LOCK-RIGHT released the outside
wheel in a turn. This means that its coupler (or side gear) rotates
faster than its driver so that the teeth passing by each other pro-
duce a uniform “click-click-click” that can somemes be heard
during turning. Cold weather and/or thicker oil will decrease the
sound. this clicking is completely normal and lets you know that
everything is funconing properly (also see the secon about
trouble-shoong on page 14).
b) Chirp. During cornering, the faster outside wheel
is free-wheeling; the slower inside wheel is under power but is
having weight transferred o as the vehicle leans toward the out-
side. Under a lot of throle on the street, it may “chirp” on the
pavement as it momentarily loses tracon and spins a lile to
catch up with the outside wheel. As soon as it is prevented from
rotang any faster by the outside wheel it regains tracon. This
acon may repeat several mes in the course of a powered turn.
This condion does not result from any re scung or dragging
as with some other lockers or limited slip dierenals. Applying
only a lile throle will eliminate the noise.
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