Chevrolet 2002 Tahoe Owner's Manual page 231

When you're back on roads, though, be sure to replace
the air dam.
NOTICE:
Operating your vehicle for extended periods
without the front bumper lower air dam installed
can cause improper air flow to the engine and
may allow things like fog lamps or tow hooks on
the front of your vehicle to be damaged. Always
be sure to replace the front bumper air dam
when you're finished off
4-20
-
3. Pull the push pins and
lower air dam assembly
away from the retainers
until the lower air dam
is free.
-
road driving.
To reinstall the lower air dam do the following:
-
1. Line up each push pin
with its intended retainer
and push the washer
-
portion of the push pin
towards the retainer until
it locks into place.
2. Push the flat end of the
-
push pin towards the
retainer until it locks
into place, making sure
each is secure.