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.

2005 Saturn Ion 1 AutomaticFACTORY OEM SERVICE PROCEDURE

Installation Procedure

Install the shift solenoid assembly from the shift control assembly.

Fig 1: View Of Shift Solenoid Assembly

Courtesy of GENERAL MOTORS CORP.

Connect the shift solenoid assembly wiring retainers to the shift control assembly.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the shift solenoid retaining screw.
Tighten: Tighten the screw to 3 N.m (27 lb in).
Install the shift indicator bulb from the shift control assembly.
Install the shift control assembly. Refer to Floor Shift Control Replacement in Automatic Transaxle - 4T40-E/4T45-E.

Chapter Navigation

Return to Chapter: Shift Lock Solenoid/Switch Assembly Replacement

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.

Shop Manual-Ready Tools Compare Repair Quote Quote Shield Pro

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.