GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Chevy C Cab/Chassis HD (GMT 400) 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Pedal Stays on Floor (Clutch Disengaged)

Diagnostic Aids

Inspect the clutch pedal for a loose or worn clutch pedal spring. If the clutch pedal stays to the floor, inspect the master cylinder for proper fluid level or faulty parts. Inspect the hydraulic hoses or pipes for damage or leaks, and the clutch diaphragm springs for being broken.

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. This step explains the parts and the operation of the clutch system.

    2.

  2. This step inspects the hydraulic lines for kinks, dents or other damage.

    3.

  3. This step inspects for the correct fluid level in the reservoir.

    4.

  4. This step inspects for a faulty release bearing.

Step

Action

Yes

No

DEFINITION: Low clutch pedal or pedal stays on the floor.

1

Did you review the clutch symptom operations and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Clutch

2

Inspect for the master cylinder pushrod to have fallen off the clutch pedal.

Has the master cylinder pushrod fallen off the clutch pedal?

Go to Step 4

Go to Step 3

3

Inspect the clutch hydraulic line.

Is the hydraulic line bursting or leaking?

Go to Step 4

Go to Step 5

4

Install the master cylinder pushrod. Refer to Clutch Master Cylinder Replacement .

Does the clutch pedal stay on the floor when disengaged?

Go to Step 5

Go to Step 6

5

Inspect the reservoir for fluid.

Is there fluid in the reservoir?

Go to Step 7

Go to Step 6

6

Fill the reservoir with fluid.

Does the clutch pedal stay on the floor when disengaged?

Go to Step 7

System OK

7
  1. Remove the transmission. Refer to Transmission Replacement in Manual Transmission NV-4500.
  2. Inspect the clutch release bearing in the concentric slave cylinder for binding.

Is there binding on the clutch release bearing?

Go to Step 8

Go to Step 9

8

Free up the clutch release bearing or replace the clutch release bearing. Refer to Clutch Concentric Actuator Cylinder Replacement .

Does the clutch pedal stay on the floor when disengaged?

Go to Step 9

System OK

9

Inspect the master cylinder and the quick connect fitting for leaks.

Is the master cylinder faulty?

Go to Step 10

System OK

10

Replace the master cylinder. Refer to Clutch Master Cylinder Replacement .

Did you find and repair the condition?

Go to Step 11

Go to Diagnostic Aids

11
  1. Install the transmission. Refer to Transmission Replacement in Manual Transmission NV-4500.
  2. Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 1