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 Pontiac Grand Prix V6-3.8L SC VIN 4FACTORY OEM SERVICE PROCEDURE
Transmission Major Components
Transmission Major Components
1 - Oil Pump Assembly
2 - Case Cover Assembly
3 - Control Valve Body Assembly
4 - Drive Sprocket
5 - Torque Converter Assembly
6 - Reverse Band Assembly
7 - Third Clutch Sprag Assembly
8 - Input Clutch Sprag Assembly
9 - Input Carrier Assembly
10 - 2-1 Manual Band Assembly
11 - Reaction Carrier Assembly
12 - 1/2 Support Roller Clutch Assembly
13 - Vehicle Speed Sensor Assembly
14 - Final Drive/Differential Carrier Assembly
15 - Forward Band Assembly
16 - 2-1 Manual Band Servo Assembly
17 - Input Clutch Assembly
18 - Third Clutch Assembly
19 - Second Clutch Assembly
20 - Oil Filter Assembly
21 - Driven Sprocket Support Assembly
22 - Driven Sprocket
23 - Drive Link Assembly
24 - Fourth Clutch Assembly
25 - Output Shaft
Transmission Major Components:
1 - Oil Pump Assembly
2 - Case Cover Assembly
3 - Control Valve Body Assembly
4 - Drive Sprocket
5 - Torque Converter Assembly
6 - Reverse Band Assembly
7 - Third Clutch Sprag Assembly
8 - Input Clutch Sprag Assembly
9 - Input Carrier Assembly
10 - 2-1 Manual Band Assembly
11 - Reaction Carrier Assembly
12 - 1/2 Support Roller Clutch Assembly
13 - Vehicle Speed Sensor Assembly
14 - Final Drive/Differential Carrier Assembly
15 - Forward Band Assembly
16 - 2-1 Manual Band Servo Assembly
17 - Input Clutch Assembly
18 - Third Clutch Assembly
19 - Second Clutch Assembly
20 - Oil Filter Assembly
21 - Driven Sprocket Support Assembly
22 - Driven Sprocket
23 - Drive Link Assembly
24 - Fourth Clutch Assembly
25 - Output Shaft
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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