Buick 1999 Park Avenue - Manual (Page 252)

yellow blue
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9. Lower the vehicle by turning the wheel wrench
counterclockwise. Lower the jack completely.
10. Using the wheel
wrench, tighten the
wheel nuts firmly in a
crisscross sequence.
CAUTION:
Incorrect wheel nuts or improperly tightened
wheel nuts can cause the wheel to become loose
and even come off. This could lead to an accident.
Be sure to use the correct wheel nuts. If you have
to replace them, be sure to get new GM original
equipment wheel nuts.
Stop somewhere as soon as you can and have
the nuts tightened with a torque wrench to
100 lb
- ft (140 N·m).