GM Full Size Vans 1987-1997 Repair Guide

Temperature Control Cable

Print

REMOVAL & INSTALLATION



See Figure 1

The control cable is used on 1987-95 models only. The 1996-97 models utilize vacuum to operate the control doors.

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine cover and radio.
  4.  
  5. Remove the control assembly.
  6.  
  7. Unfasten the temperature cable retainer from the control assembly and remove the cable eyelet.
  8.  
  9. Disconnect the tab from the slot in the control assembly.
  10.  
  11. Loosen the cable-to-defroster duct screw and retainer.
  12.  
  13. Loosen the cable-to-heater case screw and retainer.
  14.  
  15. Unfasten the adjuster tab retainer from the heater case and remove the adjuster tab.
  16.  
  17. Disconnect the cable-to-heater case tab from the slot in the heater case.
  18.  
  19. Remove the cable.
  20.  



Click image to see an enlarged view

Fig. Fig. 1: Temperature control cable routing and mounting - 1987-95 models

To install:
  1. Attach a wire to the new cable and pull it through from the heater core end of the van.
  2.  
  3. Connect the cable-to-heater case tab to the slot in the case.
  4.  
  5. Connect the adjusting tab to the heater case using the retainer.
  6.  
  7. Fasten the screw and retainer which attach the cable to the heater case.
  8.  
  9. Fasten the screw and retainer which attach the cable to the defroster duct.
  10.  
  11. Connect the tab to the slot in the control assembly.
  12.  
  13. Install the cable outlet to the control assembly using the retainer.
  14.  
  15. Install the control assembly and radio.
  16.  
  17. Install the engine cover and connect the negative battery cable.
  18.  

ADJUSTMENT



  1. Remove the instrument panel compartment and door
  2.  
  3. Loosen the cable attaching bolt at the heater case assembly.
  4.  

Ensure that the cable is installed in the bracket on the defroster duct assembly.

  1. Place the temperature lever in the full COLD position and hold while tightening the cable attaching screw.
  2.  
  3. Install the instrument panel compartment and door.
  4.  

 
label.common.footer.alt.autozoneLogo