Toyota Celica 1986-1993 Repair Guide

Master Cylinder

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REMOVAL & INSTALLATION




CAUTION
On models with an air bag, wait at least 30 seconds from the time that the ignition switch is turned to the lock position and the battery is disconnected before performing any further work.

  1. Disconnect the negative battery terminal. Remove the ABS control relay and front suspension brace, if equipped and necessary for clearance.
  2.  
  3. Wipe off and remove the reservoir tank cap. Draw the fluid from the master cylinder with a syringe.
  4.  
  5. Disconnect the clutch line tube fitting, using a line wrench.
  6.  
  7. Remove the lower instrument panel finish panel and disconnect the air duct from the panel.
  8.  
  9. Remove the clip and clevis pin with the spring washer.
  10.  
  11. Remove the mounting nuts and remove the master cylinder.
  12.  

To install:

  1. Install the master cylinder and tighten the mounting nuts to 9 ft. lbs. (13 Nm).
  2.  
  3. Connect the clutch line tube and tighten the fitting to 11 ft. lbs. (15 Nm).
  4.  
  5. Reverse the remaining removal procedures to complete installation. Bleed the clutch system. Connect the negative battery terminal and test drive the vehicle.
  6.  



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Fig. Fig. 1 Removing ABS control relayCelica



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Fig. Fig. 2 Removing clutch hydraulic lineCelica

OVERHAUL



  1. Remove the clutch master cylinder, clamp perpendicularly in a soft jaw vise (so that bore is not squeezed) and remove the reservoir by removing the bolt, or pin with a punch.
  2.  
  3. Peel back the rubber boot and remove the snapring with snapring pliers.
  4.  
  5. Pull out the pushrod.
  6.  
  7. Apply low-pressure compressed air into the clutch line tube fitting and remove the piston. Wear eye protection.
  8.  
  9. Inspect the master cylinder bore for scoring or corrosion. Clean the bore or replace the master cylinder as necessary.
  10.  
  11. Coat the piston with lithium soap base glycol grease.
  12.  
  13. Install the pushrod assembly with the snapring.
  14.  
  15. Install the reservoir tank and torque to 18 ft. lbs. (25 Nm) or drive in the slotted spring pin with a pin punch and hammer.
  16.  
  17. Install the clutch master cylinder.
  18.  
  19. Fill the reservoir with brake fluid and bleed the clutch system as described in this Section. Install the cap.
  20.  
  21. Check for leaks and test drive the vehicle.
  22.  



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Fig. Fig. 3 Clutch master cylinder components1989 Celica shown



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Fig. Fig. 4 Clutch master cylinder components1990 Celica shown



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Fig. Fig. 5 Applying lubricant to clutch master cylinder componentsCelica



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Fig. Fig. 6 Installing clutch reservoir retaining pin1993 Celica shown

 
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