How To Replace Rear Power Window Regulator 03-07 Cadillac CTS
Difficulty: Intermediate · About 90 min · Cadillac Cts
Replace the rear power window regulator on a 2003–2007 Cadillac CTS, securing the glass and transferring the motor before restoring the door handle bracket and water shield.
Tools you will need
- Socket Extensions
- Phillips Head Screwdriver
- Putty Knife
- T30 Driver
- 10mm Socket
- Ratchet
- Needle nose pliers
Parts and supplies
- Rear power window regulator
Steps
Remove the door panel
Release the lock tab and handle bezel, remove the access panel and screws, and disconnect the latch rod. Move the wiring bracket aside and carefully peel back the water shield.
Secure the window and remove the regulator
Support the glass and remove its fasteners, then tape it safely out of the way. Remove the regulator and motor assembly from the door and transfer the motor to the replacement regulator using the T30 screws.
Install the new regulator
Guide the replacement regulator into the door and tighten its mounting fasteners. Remove the tape and lower the glass carefully into the regulator, then secure the glass bolts.
Restore the water shield and bracket
Press the water shield back into place, reinstall the wiring bracket, and reconnect its clips. Reattach the door handle to the latch rod and secure it to the door.
Reinstall the panel and test
Align the panel and press its clips into place. Reinstall the screws, access panel, lock tab, and handle bezel, then cycle the window and check smooth operation.
Check your vehicle’s repair manual for exact specifications and fit.