GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 Yukon XL - 4WD 🢒 Transmission/Transaxle 🢒 Clutch 🢒 Clutch Actuator Fluid Leaks

Diagnostic Aids

When hydraulic fluid is present on the concentric slave cylinder, check for worn or damage seals or other faulty parts of the clutch actuator.

Test Description

The number(s) below refer to the step number(s) on the diagnostic table.

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

    2.

  2. This step checks for any seal leaks from the clutch actuator.

Step

Action

Yes

No

DEFINITION: Hydraulic fluid is in the concentric slave cylinder area or on the cylinder body.

1

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

Go to Step 2

Go to Symptoms - Clutch

2

  1. Remove the transmission. Refer to the following:
    2. •  Transmission Replacement in Manual Transmission NV-3500
    •  Transmission Replacement in Manual Transmission NV-4500
    •  Transmission Replacement in Manual Transmission ZFS6-650
  2. Inspect the clutch actuator for hydraulic fluid leaks.

Is there a leak on the clutch actuator cylinder?

Go to Step 3

System OK

3

Replace the clutch actuator. Refer to Clutch Concentric Actuator Cylinder Replacement .

Did you find and repair the condition?

Go to Step 4

Go to Diagnostic Aids

4

Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 1