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 Pontiac Sunfire AutomaticFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Application | Ft. Lbs. (N.m) | |
|---|---|---|
| Case Cover Bolts | 18 (24) | |
| Case Side Cover Bolts | 15 (20) | |
| Cooler Pipes-To-Radiator | 30 (40) | |
| Flywheel-To-Torque Converter | 46 (62) | |
| Park/Neutral Position Switch-To-Case Bolts | 15 (20) | |
| Shift Lever-To-Transaxle Nut | 26 (35) | |
| Transaxle Mount Bolts | 49 (66) | |
| Transaxle Mount Expansion Bolt | 41 (55) | |
| Transaxle-To-Engine Mount Bolts | 66 (90) | |
| INCH Lbs. (N.m)Β | ||
| Bottom Pan-To-Case Bolts | 106 (12) | |
| Channel Plate-To-Case Bolts | ||
| M6 x 1.0 x 28.0 | 106 (12) | |
| M6 x 1.0 x 63.0 | 106 (12) | |
| Channel Plate-To-Driven Sprocket Support | 124 (14) | |
| Channel Plate-To-Driven Sprocket Support Spacer | 124 (14) | |
| Converter Shield Bolts | 89 (10) | |
| Cooler Pipes-To-Transaxle Case | 71 (8) | |
| Cover Assembly, Intermediate 4th Servo-To-Case Bolts | 106 (12) | |
| Cover, Lo/Reverse Servo-To-Case Bolts | 106 (12) | |
| Input Speed Sensor | 106 (12) | |
| Oil Check Plug | 124 (14) | |
| Oil Feed Tube Bolts | 124 (14) | |
| Oil Pan-To-Case Bolts | 89 (10) | |
| Output Speed Sensor Stud | 106 (12) | |
| Plug, Pipe | 106 (12) | |
| Pressure Switch Assembly Bolts | 106 (12) | |
| Pump, Valve Body, Channel Plate-To-Case | 106 (12) | |
| Pump, Valve Body-To-Channel Plate Bolts | ||
| M6 x 1.0 x 63.0 | 106 (12) | |
| M6 x 1.0 x 90.0 | 106 (12) | |
| Speed Sensor Housing-To-Case Bolts | 97 (11) | |
| Spring & Roller Assembly, Detent-To-Channel Plate | 106 (12) | |
| Support Assembly, Drive Sprocket-To-Case | 106 (12) | |
| TFP Switch, Valve Body, Channel Plate Bolts | ||
| M6 x 1.0 x 51.0 | 106 (12) | |
| M6 x 1.0 x 63.0 | 106 (12) | |
| TFP Switch, Valve Body, Channel Plate-To-Case Bolts | 106 (12) | |
| Tube Assembly, Transaxle Oil-To-Case Bolts | 106 (12) | |
| Tube Assembly, Transaxle Oil-To-Forward Clutch Support | 106 (12) | |
| Tube Assembly, Transaxle Oil-To-Lo/Reverse Servo Cover Bolts | 106 (12) | |
| T.V. Cable-To-Case Bolt | 80 (9) | |
| Valve Body, Channel Plate-To-Case Bolts | ||
| M6 x 1.0 x 90.0 | 106 (12) | |
| M6 x 1.0 x 103.0 | 106 (12) | |
| Valve Body-To-Channel Plate Bolts | 106 (12) | |
| Wiring Harness Clip | 106 (12) | |
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:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
