2013 Chevrolet Tahoe Owner Manual - Page 367

Vehicle Care out along the axle tubes and has not drained back to the sump area. Therefore, a reading taken five minutes after the vehicle has been driven will appear to have a lower fluid level than a vehicle that has been stationary for an hour or two. Remember that the rear axle assembly must be supported to get a true reading. 10-27 fill plug hole, located at the front of the axle. Add only enough fluid to reach the proper level. Starter Switch Check { WARNING When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room around the vehicle. 2. Firmly apply both the parking brake and the regular brake. See Parking Brake on page 9‑41. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. How to Check Lubricant 2500 Series To get an accurate reading, the vehicle should be on a level surface. . For the 1500 series, the proper level is from 1.0 mm to 19.0 mm (0.04 in to 0.75 in) below the bottom of the fill plug hole, located on the rear axle. Add only enough fluid to reach the proper level. For the 2500 series, the proper level is from 0 mm to 13 mm (0 in to 1/2 in) below the bottom of the 1500 Series .