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.
Inspection (Lower Valve Body)
Check valves for damage and wear. Inspect oil holes and passage for clogging. Check valve springs for damage, rust and collapsed coils. Measure spring free length and replace if less than specification. See LOWER VALVE BODY SPRING SPECIFICATIONS .
| Application | Color | Free Length: In. (mm) | |
|---|---|---|---|
| Check Valve | Yellow | 1.312 (33.32) | |
| Oil Cooler By-Pass Valve | Orange | 1.138 (28.91) | |
| Lock-Up Relay Valve | White | .728 (18.49) | |
| Lock-Up Signal Valve | White | 1.784 (45.31) | |
| Pressure Relief Valve | None | 1.265 (32.13) | |
| Primary Regulator Valve | |||
| AW70L | White | 2.409 (61.19) | |
| AW71 | None | 2.886 (73.30) | |
| Primary Regulator Valve Damping | None | .787 (19.99) | |
| 1-2 Shift Valve | None | 1.363 (34.62) | |
| 3-4 Shift Valve | |||
| AW70L | None | 1.491 (37.88) | |
| AW71 | None | 1.325 (33.65) | |
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.