GMC 2003 Envoy XL - Page 329

3. Fill the radiator with the proper DEX-COOL@
coolant mixture, up
to the base of the filler
neck. See Engine Coolant
on page 5-24 for more
information about the proper coolant mixture.
4. Then fill the coolant recovery tank to the FULL
5. Put the cap back on the coolant recovery tank, but
COLD mark.
leave the radiator pressure cap
off.
5-34