Jeep TJ 1997-2006. Michael Hanssen

after every off-road adventure. Check the fluid regularly and note the smell and color of the fluid. If it smells burnt or is black in color, heat may have been high, and you should consider a flush.

       When looking at purchasing a used Jeep, smelling the automatic transmission fluid on the transmission dipstick will indicate if the fluid was overheated because it will smell burnt. Fluid color on the stick should be a lighter to medium brown. Look for the presence of leaks around the pan or torque converter dust cover.

       The aluminum transmission cooler sits between the grille and the radiator. Heat is the biggest enemy to an automatic transmission, because the cooler sits in front of the radiator. It often can become a trap for trail debris such as mud and dirt, lessening its cooling ability. Keeping it clean will extend the life of the transmission.

Transmission Swaps