1998 Chevrolet Blazer Owner's Manual - Page 255

To remove the underbody-mounted spare, insert the chisel end of the wheel wrench, on an angle, into the hole in the rear bumper. Be sure the chisel end of the wheel wrench connects into the hoist shaft. I NOTICE: ~~ To help avoid vehicle damage, not drive the do is vehicle before the cable properly stored. If you have an inside-mounted spare tire, the tire must be removed in order to have access to the jack storage. 10 Turn the wheel wrench to the left to lower the spare tire. Keep turning the wheel wrench until the spare can tire be pulled out from under the vehicle. When the tirehas been completely lowered, tilt the retainer at the end of the cable and pull it through the wheel opening. Pull the tire out from under the vehicle. remove an inside-mounted spare tire, reach your into tire's cover and unscrew the wing nut at the center of the wheel. Remove it and the retainer. Unhook the tire from the mounting bracket and remove the cover. To remove a rear-mounted spare tire, first make sure that the carrier arm is fully-latched to the endgate. Then remove the sparetire cover. 5-23