These
are
a
alternative
to
the
OEM
tensioners,
and
come
with
the
same
1
year,
12,000
mile
warranty
as
Nissan.
The
small
screw
on
the
adjustment
tab
is
mostly
meant
to
hold
the
tensioner
in
place
during
installation.If
needed,
it
can
be
used
to
compress
the
tensioner,
but
SLOWLY
turning
the
screw
in.
Going
too
fast
will
cause
the
mounting
tab
to
break,
which
won't
affect
the
tensioner's
overall
use,
but
breaking
this
tab
is
not
covered
under
warranty.
The
same
is
true
of
the
Nissan
OEM
tensioner.
