Chevrolet Chevette/1000 1976-1988 Repair Guide

Transmission Fluid Pan

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REMOVAL & INSTALLATION (FLUID & FILTER CHANGE)



Transmission fluid should be drained while at normal operating temperature.


WARNING
Transmission fluid temperature can exceed 350°F.

  1. Raise the car and support the transmission with a suitable jack at the transmission vibration damper.
  2.  
  3. Place a receptacle of at least three quarts capacity under the transmission oil pan. Remove the oil pan attaching bolts from the front and side of the pan.
  4.  
  5. Loosen the rear pan attaching bolts approximately 4 turns.
  6.  
  7. Drain the fluid by carefully prying the oil pan loose with a prytool.
  8.  
  9. After the fluid has drained, remove the remaining oil pan attaching bolts. Remove the oil pan and gasket. Throw the old gasket away.
  10.  
  11. Drain the remaining fluid from the pan. Thoroughly clean the pan with solvent and dry with compressed air.
  12.  
  13. Remove the two screen-to-valve body bolts and remove the screen and gasket. Discard the gasket.
  14.  
  15. Thoroughly clean the screen in solvent and dry with compressed air.
  16.  
  17. Install the new gasket on the screen and install the bolts. Tighten the bolts to 14 ft. lbs. for the Model 180 transmission and 11 ft. lbs. for the Model 200.
  18.  
  19. Install a new gasket on the oil pan and install the oil pan. Tighten the bolts to 8 ft. lbs. for the Model 180 transmission and 12 ft. lbs. for the 200 transmission.
  20.  
  21. Lower the car and add 6 pints of Dexron® II automatic transmission fluid through the filler tube. If the transmission has been overhauled add 4.9 quarts of fluid.
  22.  
  23. With the transmission in Park, apply the parking brake, start the engine and let it idle (not fast idle). Do not race the engine.
  24.  
  25. Move the gear selector lever slowly through all positions, return the lever to Park, and check the transmission fluid level.
  26.  
  27. Add fluid as necessary to raise the level between the dimples on the dipstick. Be careful not to overfill the transmission; approximately one pint of fluid will raise the level to the correct amount.
  28.  

 
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