How To Change A Lock On A Thule Roof Box

Thule does not offer the lock housing or internal parts for the locks as replacement parts.

How to change a lock on a thule roof box.

With the locks unlocked insert the change key. The change key will pull in all of the teeth holding the lock in place. Then you can pull both the change key and lock out at the same time. When you withdraw it the lock barrel will come out.

How to change existing locks for new one key locking systems. 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. How to open a frozen a thule roof box lock. Michael h product page this question was asked from.

Press your finger against the lock cylinder to keep it in place and use your other hand to pull out the master key. Before inserting the new locks make sure you clean out the cavity the locks fit in. Push the master key the one with the square cornered head into the lock barrel. 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.

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. Then try using the locking key. How to open a frozen a thule roof box lock. Remove the master key and try the locking key.

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.