The jack is located under the passenger-side rear seat, in the compartment under the seat. The shaft for the jack is also used to crank the chain lift that holds the spare tire under the truck bed. You will see a slot above the rear license plate where the round "hook" end of the shaft is inserted. The hook engages a split-head bolt that allows you to crank the spare tire down.
Crawl underneath with a cresent wernch. A small bit of the hex shaft is exposed. You can get wrench on it. Slow process, but effective.
Between the first and second rows there is a carpet flap that lifts. You will then see a crank that cranks down the spare tire. the spare tire is actually outside of the Odysseys interior, but the crank is inside.
Insert the jack crank handle into the hole in the back near the license plate and crank the spare down until you can release it from the cable.
On the passenger side in the back seat, push the seat forward you will then find a crank handle. Open the crank as it is folded. You will find a slot put the crank in the slot and turn the crank until it stops. You will then find the spare tire on the ground under the trunk portion of the car. You can turn the bolt on the chain and you can remove the spare tire.
If the tire is mounted under the bed, then it is held up by a winch. Using the factory jack handle , stick the shaft through a hole under the tailgate to engage the winch and crank to lower.
Under the hood is a long crank. When you open the back door, a small hole is exposed in the bottom edge. Put the crank in to the hole and you can crank the spare tire down. There should be a page explaining this attached to the jack.
Any wreckers yard.
under the passengers front seat.
The tool kit includes a several section crank and a male adapter. Remove access cover on rear bumper to locate winch mechanism. As the crank is rotated, the spare will decend to the ground.
When you open the tailgate you will see a small opening in the panel running along the bottom just above the bumper. The crank that came with your jack under fits into that hole about 18 inches or so until it stops. Turn to the left and crank the spare down to the ground. Continue to crank a few turns to get some slack and you should be able to slide the spare out.
The same crank used for the jack also cranks down the spare tire. The jack and crank are located under the rear seat(s). If the lift system has not been serviced it may be necessary to pull the spare tire down as somebody operates the crank to release it. www.trailvoy.com - All the answers for your Trailblazer from true enthusiasts!