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Checking Transmission Fluid Level

WARNING: This page is about a different car, the 2001 GMC Safari, 2001 Chevrolet Astro, 2000 GMC Safari, and 2000 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine and operate the vehicle for 15 minutes or until the transmission fluid reaches an operating temperature of 180-200°F (82-93°C).
  2. Park the vehicle on a level surface.
  3. With your foot on the brake, move the shift lever through each gear range. Pause for about three seconds in each range, ending in Park.
  4. Apply the parking brake and let the engine idle for 3 minutes.
  5. Remove the transmission fluid level indicator. Wipe the indicator clean. Insert the indicator. Give the indicator a full twist in order to close.
  6. Wait 3 seconds and remove the indicator.
  7. Read both sides of the indicator. The fluid must be within the hot cross-hatched area using the lowest level reading.
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