2006 Jeep Wrangler Owner's Manual - Page 294

294 MAINTAINING YOUR VEHICLE (cross-hatched area) on the oil level indicator. The fluid level indicator should be in the COLD region at 70° F (21° C) fluid temperature. If the fluid level is low, add sufficient fluid to bring to the proper level. Refer to Fluids, Lubricants and Genuine Parts for correct fluid type. Fluid is added through the dipstick tube. NOTE: To prevent dirt and water from entering the transmission after checking or replenishing fluid, make certain that the dipstick cap is properly reseated. Special Additives The manufacturer strongly recommends against the addition of any additives to the transmission. The only exception to this policy is the use of special dyes to aid in detecting fluid leaks. The use of transmission sealers should be avoided as they may adversely affect seals. Hydraulic Clutch Fluid - Manual Transmission The clutch hydraulic system is a sealed maintenance free system. In the event of leakage or other malfunction, the system must be replaced. Manual Transmission Selection of Lubricant Use only manufacturer's recommended manual transmission fluid, refer to Fluids, Lubricants, and Genuine Parts for correct fluid type. Fluid Level Check Check the fluid level by removing the fill plug. The fluid level should be between the bottom of the fill hole and a point not more than 3/16" (4.76 mm) below the bottom of the hole. Add fluid, if necessary, to maintain the proper level.