Chevrolet 2000 Tahoe Owner's Manual page 219

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
4-18
-
3. Pull the push pins and
lower air dam assembly
away from the retainers
until the lower air dam
is free.
-
road driving.
To replace the lower air dam:
-
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.