GM Corvette 1963-1982 Repair Guide

Low Band

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ADJUSTMENT 1963-67 Powerglide



Low band adjustment should be performed at 12,000 mile intervals, or if slipping is encountered.

  1. Place the selector lever in Neutral.
  2.  
  3. Jack the car up to the required working height and support with jackstands.
  4.  
  5. Remove the cap from the adjusting screw.
  6.  
  7. Lower the left exhaust pipe for clearance.
  8.  
  9. Loosen the adjusting screw 1 / 4 turn and hold with a wrench.
  10.  
  11. Using an in. lbs. torque wrench, adjust the band to 70 in. lb. and back-off exactly four turns for a band in use over 6,000 miles and three turns for one in use less than 6,000 miles.
  12.  

The locknut must be held at exactly1/4turn loose during the adjustment. The number of back-off turns must be exactly as stated here.

  1. Tighten the locknut to 15 ft. lbs.
  2.  

Band and/or clutch adjustments are not required on Turbo Hydra-Matic 350, 400, or 700R-4 transmissions.

 
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