GM Full-Size Trucks 1980-1987 Repair Guide

Clutch Master Cylinder and Reservoir

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REMOVAL & INSTALLATION



Master Cylinder

See Figures 1 and 2

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the lower steering column covers.
  4.  
  5. Remove the lower left side air conditioning duct, if so equipped.
  6.  
  7. Disconnect the pushrod from the clutch pedal.
  8.  
  9. Before disconnecting the reservoir hose, drain the reservoir or prepare a plug for the line.
  10.  
  11. Disconnect the slave cylinder hydraulic line from the master cylinder.
  12.  
  13. Remove the master cylinder retaining nuts and remove the master cylinder.
  14.  
  15. Remove the retaining nuts and remove the reservoir and gasket from the firewall.
  16.  

To install:
  1. Install the master cylinder with a new gasket to the cowl. Tighten the retaining nuts to 10-14 ft. lbs. (14-20 Nm).
  2.  
  3. Install the remaining components in the reverse of the removal procedure.
  4.  
  5. Fill the reservoir with new DOT 3 brake fluid and bleed the system of air.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Clutch master cylinder



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the clutch master cylinder

 
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