GM Service Manual Online
For 1990-2009 cars only

Transmission Fluid Cooler Flushing for Chevrolet Optra 2008

Flushing Procedure

  1. Drain the fluid from the transaxle and refill the transaxle with new transaxle fluid. Refer to Transmission Fluid Draining .
  2. Let the engine idle for 5 minutes
  3. Drain the fluid from the transaxle and refill the transaxle with new transaxle fluid. Refer to Transmission Fluid Draining .