2012 Jeep Wrangler Owner Manual - Page 540

538 MAINTAINING YOUR VEHICLE CAUTION! Do not use chemical flushes in your transmission as the chemicals can damage your transmission components. Such damage is not covered by the New Vehicle Limited Warranty. Fluid Level Check Check the fluid level while the transmission is at normal operating temperature 180° F (82° C). This occurs after at least 15 miles (25 km) of driving. At normal operating temperature, the fluid cannot be held comfortably between the fingertips. 3. Fully apply the parking brake. 4. Place the shift lever momentarily into each gear position ending with the shift lever in PARK. 5. Remove the dipstick, wipe it clean and reinsert it until seated. 6. Remove the dipstick again and note the fluid level on both sides. The fluid level should be between the HOT (upper) reference holes on the dipstick at normal operating temperature. Verify that a solid coating of oil is seen on both sides of the dipstick. If the fluid is low, add as required into the dipstick tube. Do not overfill. After adding any quantity of oil through the dipstick tube, wait To properly check the automatic transmission fluid level, a minimum of two minutes for the oil to fully drain into the transmission before rechecking the fluid level. the following procedure must be used: 1. Operate the engine at idle speed and normal operating NOTE: If it is necessary to check the transmission below the operating temperature, the fluid level should be temperature. between the two cold (lower) holes on the dipstick with 2. The vehicle must be on level ground.