I have 2005 C6 and clutch petal goes to the floor. It sounds like i need to replace the clutch master cylinder. Does anyone know how to do that. Can't get it fixed under warranty becasue the car is salvage. thanks

 

Ifs its a Salvage title, you will have to pay to get it replaced. Is there fluid in the system. Is there a leak under the bell housing? You have to remove a lot of parts to get to the slave cylinder. Its a simple hydraulic system, if theres no pressure and the resevior is full, no leaks, then get it replaced.

 

has anyone ever replaced one? I'd like to do it myself.

 

Removal Procedure
Caution: Refer to Battery Disconnect Caution in Cautions and Notices.
Disconnect the negative battery cable.
Remove the left instrument panel (I/P) lower insulator panel. Refer to Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower in Instrument Panel, Gages and Console.
Remove the clutch master cylinder rod retainer (1).
Remove the clutch master cylinder rod (2) from the clutch pedal.
Remove the windshield washer solvent container. Refer to Solvent Container, Pump, Level Sensor Replacement - Windshield Washer in Wipers/Washer Systems.
Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Remove the clutch actuator cylinder hose from the hose retaining clip, under the brake master cylinder.
Remove the clutch hose connection retaining clip (6).
Separate the clutch hose (5) from the clutch master cylinder connection (4).
Protect both hose coupling ends from dirt and damage.
Lower the vehicle. Leave the vehicle on the hoist.
Remove the clutch master cylinder reservoir (1) from the reservoir bracket (2).
Rotate the clutch master cylinder 45 degrees.
Release the clutch master cylinder (3) from the dash panel.
Remove the clutch master cylinder (3) and reservoir (1) from the vehicle.


Installation Procedure
Install the clutch master cylinder (3) and the reservoir (1) into position.
Install the clutch master cylinder (3) to the dash panel.
Orientate the clutch master cylinder at a 45 degree angle.
Insert the clutch master cylinder into the dash panel.
Rotate the master cylinder to secure. DO NOT over-rotate the master cylinder.
Install the clutch master cylinder reservoir (1) to the reservoir bracket (2).
Install the windshield washer solvent container. Refer to Solvent Container, Pump, Level Sensor Replacement - Windshield Washer in Wipers/Washer Systems.
Raise the vehicle.
Install the clutch hose connection retaining clip (6).
Important: DO NOT rely on an audible click or a visual verification of the clutch hydraulic hose quick connect fitting connection.
Connect the clutch actuator cylinder hose (5) to the clutch master cylinder hose (4). Push together the clutch hydraulic hose quick connect fittings, then pull back on the fittings to verify engagement.
Check the clutch hydraulic hoses for twists or kinks.
Install the clutch actuator cylinder hose to the hose retaining clip, under the brake master cylinder.
Lower the vehicle.
Install the clutch master cylinder rod (2) to the clutch pedal.
Install the clutch master cylinder rod retainer (1).
Install the left I/P lower insulator panel. Refer to Closeout/Insulator Panel Replacement - Instrument Panel (I/P) Lower in Instrument Panel, Gages and Console.
Notice: Refer to Fastener Notice in Cautions and Notices.
Connect the negative battery cable.

Tighten
Tighten the negative battery cable bolt to 15 N·m (11 lb ft).
Program the transmitters. Refer to Transmitter Programming in Keyless Entry.
Bleed the clutch hydraulic system. Refer to Hydraulic Clutch Bleeding .