Pontiac Fiero 1984-1988 Repair Guide

Adjustments

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SHIFT CABLES



4-Speed 76mm Isuzu


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Fig. Fig. 1 Manual shift shaft adjustment and shim chart-4-speed (76mm) Isuzu transaxle

  1. Remove the reverse inhibitor fitting spring and washer from the end of housing.
  2.  
  3. Position the shifter shaft in the 2nd gear.
  4.  
  5. Measure the dimension A (end of housing to shoulder just behind the end of the shaft).
  6.  
  7. Apply a load of 4-6 Kg on the opposite end of the shaft. Then measure dimension B (end of housing to end of shifter shaft major diameter).
  8.  
  9. Subtract: dimension A minus dimension B equals distance C.
  10.  
  11. Compare result of step 5 with the chart and choose the proper shim for use on reinstallation.
  12.  

5-Speed 76mm Isuzu


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Fig. Fig. 2 Shift cable adjustment-5-speed (76mm) Isuzu transaxle

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Place the transaxle in first gear.
  4.  
  5. Loosen the shift cable attaching nuts (E) at the transaxle levers (D) and (F) shown in the "Cable Adjustment" illustration.
  6.  
  7. Remove the console and trim plates as required for access to shifter assembly.
  8.  
  9. With the shifter lever in first gear position (pulled to left and held against the stop), insert an alignment pin H and G as shown in view C.
  10.  
  11. Remove the lash from the transaxle by rotating lever D in the direction of the arrow while tightening the nut E in view (A). Levers D and F should be kept from moving during this process. Tighten nut E and F. Again levers D and F must remain stationary. Nut E on levers D and F tightened to 20 ft. lbs. (27 Nm).
  12.  
  13. Ensure reverse inhibit cam is against the roller and align if necessary.
  14.  
  15. Remove the alignment pins H and G at the shifter assembly.
  16.  
  17. Replace the console trim plate.
  18.  
  19. Reconnect the negative battery cable.
  20.  

5-Speed 282 Muncie


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Fig. Fig. 3 Shift cable adjustment-5-speed 282 Muncie transaxle

Only the shift cable is adjustable and is adjusted at the transaxle. Do not adjust the select cable.

  1. Disconnect the negative (-) battery cable.
  2.  
  3. Loosen the nut on the transaxle shift lever ball stud on the shift cable only.
  4.  
  5. Place the transaxle in third gear.
  6.  
  7. Remove the front and shifter trimplate.
  8.  
  9. Place the pin in the floor shift mechanism is third gear.
  10.  
  11. Torque the nut on the shift cable ball stud to 18 ft. lbs. (25 Nm).
  12.  
  13. Install the trim plates and shift knob.
  14.  
  15. Reconnect the negative (-) battery cable and check shifter operation.
  16.  

CLUTCH ADJUSTMENT



The hydraulic clutch system locates the clutch pedal and provides automatic clutch adjustment. No adjustment of clutch linkage or pedal position is required.

 
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