2013 Chevrolet Express 1500 Cargo Owner Manual - Page 262

10-14 Vehicle Care 4. Let the engine run at idle for two minutes or more. Then, without shutting off the engine, use the steps that follow. 3. HOT Range 1. Flip the handle up, pull out the dipstick, and wipe it with a clean rag or paper towel. 2. Push it back in all the way, wait three seconds, and pull it back out again. 3. Check both sides of the dipstick, and read the lower level. The fluid level must be in the COLD (1) range for a cold check, transmission temperature 27°C to 32°C (80°F to 90°F); between the COLD (1) and HOT (3) range for a WARM (2) check, 50°C to 60°C (122°F to 140°F); or in the HOT (3) cross-hatched range for a hot check, 71°C to 93°C (160°F to 200°F). Be sure to keep the dipstick pointed down to get an accurate reading. 4. If the fluid level is in the acceptable range, push the dipstick back in all the way; then flip the handle down to lock the dipstick in place. hot will give a more accurate reading of the fluid level than a cold check. Because the vehicle is equipped with a high-efficiency air-to-oil cooler, the transmission fluid temperature may not reach the required hot fluid level checking temperature under normal lightly loaded driving vehicle conditions. Checking the Fluid Level Prepare the vehicle: 1. Park the vehicle on a level place. Keep the engine running. 2. With the parking brake applied, place the shift lever in P (Park). 3. With a foot on the brake pedal, move the shift lever through each gear range, pausing for about three seconds in each range. When M is reached, move the selector from M1 through M3. Then, position the shift lever in P (Park). The transmission dipstick is near the center of the engine compartment and will be labeled with the graphic shown. See Engine Compartment Overview on page 10‑6 for more information on location. 1. COLD Range 2. WARM Range