Secondary Latch System - GMC Acadia 15919282 Owner's Manual

5-74 Service and Appearance Care

Secondary Latch System

This vehicle has an underbody
mounted tire hoist assembly that
has a secondary latch system. It is
designed to stop the compact spare
tire from suddenly falling off the
vehicle if the cable holding the spare
tire is damaged. For the secondary
latch to work, the tire must be stowed
with the valve stem pointing down.
See Storing a Flat or Spare Tire and
Tools on page 5-76 for instructions
on storing the spare tire correctly.
{
CAUTION
Before beginning this procedure
read all the instructions. Failure to
read and follow the instructions
could damage the hoist assembly
and you and others could get
hurt. Read and follow the
instructions listed next.
To release the spare tire from the
secondary latch:
{
CAUTION
Someone standing too close
during the procedure could be
injured by the jack. If the spare
tire does not slide off the jack
completely, make sure no one is
behind you or on either side of
you as you pull the jack out from
under the spare.
1. If the cable is not visible, start
this procedure at Step 3.
All-Wheel-Drive Vehicle shown
2. Turn the lug wrench
counterclockwise until
approximately 6 inches (15 cm)
of cable is exposed.
3. Attach the lug wrench to the jack
and raise the jack at least
10 turns.
4. Place the jack under the vehicle,
ahead of the rear bumper.
Position the center lift point of
the jack under the center of the
spare tire.