highModerate 1–4 hours (shop) Community experience3,759 views
Source: Widely reported by owners. Not a GM statement. Confirm with a qualified technician.
When to stop driving
Pull over safely if the pedal stays on the floor and you can't control gear changes. Don't drive in traffic until it's fixed.
Symptoms
- Clutch pedal stays on the floor after a high-RPM shift
- Pedal slowly returns after a few seconds
- Can't get into gear
- Spongy or soft pedal feel
Likely causes
- Clutch fluid overheated or old
- Air in the hydraulic system
- Worn master or slave cylinder
- Hydraulic line issues
What to check
Diagnostic steps, in order. Stop if any step needs tools or skills you don't have.
- 1Check clutch fluid level and condition.
- 2Note exactly when the pedal sticks: RPM, temperature, how long the drive was.
- 3Bleed the clutch hydraulics following the factory service manual.
- 4If it continues, have a shop inspect the master and slave cylinders.
Possible solutions
- Flush and bleed the clutch hydraulic system
- Replace the master or slave cylinder
- Install an aftermarket remote bleeder to make bleeding easier
Parts commonly needed
- Brake/clutch fluid
- Clutch master or slave cylinder
- Remote bleeder kit
Warning signs
- Pedal returning slowly
- Pedal feel changing during a drive
- Dark or dirty fluid in the clutch reservoir
Prevention
- Flush the clutch fluid regularly
- Bleed the clutch before track days
- Avoid resting your foot on the clutch pedal
Information here combines factory data and owner experience and may not apply to your exact car. For brakes, steering, suspension, fuel or anything safety-critical, consult a qualified mechanic. Read the full disclaimer.
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