Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Saturn L300FACTORY OEM SERVICE PROCEDURE
Removal Procedure
- Disable the SIR system. Refer to DISABLING & ACTIVATING AIR BAG SYSTEM in Air Bag Restraint Systems.
- Remove the automatic transaxle control assembly. Refer to Shift Control Replacement in Automatic Transaxle - 4T40-E/4T45-E (Overhaul).
- Using an electrical terminal pick, remove the shift lock control solenoid electrical terminals (black wires) from the connector body.
- Move the control assembly out of the PARK (P) position and remove the park lock switch by pressing the switch retaining tabs.
- Remove the park lock switch connector body from the control assembly, and remove the switch assembly.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.