Then you can pull both the change key and lock out at the same time.
How to change a lock on a thule roof box.
When you withdraw it the lock barrel will come out.
How to open a frozen a thule roof box lock.
Once it s inserted fully a quarter turn clockwise should lock in place the mechanism for instance one of the four feet of a car roof rack.
Before inserting the new locks make sure you clean out the cavity the locks fit in.
Remove the master key and try the locking key.
If you are just missing the lock cores by themselves you can get a pair along with keys and the change key to install them using th450200.
Push the master key the one with the square cornered head into the lock barrel.
How to open a frozen a thule roof box lock.
To install a new lock put the change key in the lock push both into the cavity for the lock then hold the lock face in place with your finger.
How to change existing locks for new one key locking systems.
With the locks unlocked insert the change key.
Press your finger against the lock cylinder to keep it in place and use your other hand to pull out the master key.
The change key will pull in all of the teeth holding the lock in place.
Then try using the locking key.
This kit includes two lock cylinders two keys and a universal control key that will allow you to insert the new lock cylinder into the box.
Thule does not offer the lock housing or internal parts for the locks as replacement parts.
Make sure that the roof box is locked using the original key turn the key 45 degrees clockwise so the big hand is at about 10 30 and withdraw the key.