Dorman MAS CC649008 Existing Clutch Interlock Switch Position And Retention Clip Installation Guide

June 12, 2024

Dorman MAS CC649008 Existing Clutch Interlock Switch Position And Retention Clip

Warning : The Clutch Interlock Switch Position & Retention Clip must be installed for proper function of the clutch actuation system.


  1. You will need to remove the interlock switch from the master cylinder pushrod. Slide a flat blade screw driver under the white cover of the switch assembly and apply pressure to lift up over the retention tab.

  2. Lift switch cover up and remove from the switch.

  3. To remove the switch, push down on the switch un-clipping it from the pushrod. Continue pulling down on the switch to remove the location tab from the retention clip.

  4. Take note how clip ends are locked in behind the position tabs on the master cylinder housing. Will need to make sure that the clip ends are in the same position when the clip is assembled to the new master cylinder housing.

  5. Lift up slightly on the ends of the clip until the clip is able to slide up onto the bore opening of the master cylinder.

  6. Slide clip off the end of the old master cylinder.

  7. Spread the ends of the clip apart and slide over the bore end of the new master cylinder.

  8. Slide clip down into the groove of the new master cylinder making sure that the clip ends lock in behind the location tabs as shown in step 1.

  9. Reinstall switch and cover.

Note : Installation orientation of clip/switch is critical!

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