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.
Stall Speed Test Procedure
2004 Acura 3.5RLSECTION Stall Speed Test Procedure
CAUTION:
DO NOT perform stall speed test for longer than 10 seconds, or transaxle may be damaged. DO NOT move gearshift lever while increasing engine speed.
- Apply parking brake and block all wheels. Connect tachometer and start engine. Ensure A/C is off. Warm engine to normal operating temperature. Place gearshift lever in "2" position.
- Fully depress brake pedal. Fully depress accelerator for 6-8 seconds and note engine speed. This is stall speed.
- Allow transaxle to cool for 2 minutes. Repeat test procedure in "D4", "D3", "1" and "R" positions.
- Stall speed should be the same in "D4", "D3", "2", "1" and "R" positions. Stall speed should be 2100-2400 RPM. If stall speed is not within specification, see STALL SPEED TROUBLE SHOOTING table for possible causes.
STALL SPEED TROUBLE SHOOTING
| Stall Speed Test Results | Probable Cause |
|---|---|
| RPM High in "D4", "D3", "2", "1" & "R" | Low Fluid Level, Low Oil Pump Output, Clogged Oil Strainer, Pressure Regulator Valve Stuck Closed, Slipping Clutch |
| RPM High In "R" | Slipping Reverse Clutch |
| RPM High In "D4" & "D3" | Slipping 1st Clutch, 2nd Clutch, 1st Gear One-Way Clutch Or 2nd Gear One-Way Clutch |
| RPM High In "2" | Slipping 1st-Hold Clutch, 2nd Clutch Or 2nd Gear One-Way Clutch |
| RPM High In "1" | Slipping 1st Clutch, 1st-Hold Clutch Or 1st Gear One-Way Clutch |
| RPM Low In "D4", "D3", "2", "1" & "R" | Engine Output Low Or Torque Converter One-Way Clutch Slipping |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra 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.