How To Replace Transmission Fluid Lines. Rubber transmission cooler hoses are great for adding in an external cooler, or for a temporary fix on a leaving metal line. Pull the line out of the transmission fitting, taking care not to bend the line.
The lines come as a set. Over time, the cooling lines can wear out and develop leaks. It's held on by 4 plastic clips and 5 screws.
The two transmission cooler lines or hoses are almost always replaced together. It's held on by 4 plastic clips and 5 screws. If they break or develop a leak, you will lose transmission fluid, leaving your car vulnerable.
This back and forth flow allows the fluid to release the heat it gained before pumping it back into the transmission. People force them and break the plastic radiator. On vehicles with a drain plug, allow the fluid to drain for about 10 minutes and then reinstall and torque the drain plug to spec.
Remove upper a/c transmission oil cooler tube clips. Like all parts of an engine, transmission cooling lines can wear out. Lift the rear of the vehicle under the differential with a floor jack, then support the weight of the vehicle.
Place a drip pan under your transmission and either remove the drain plug or slowly remove the bolts on one side of the transmission pan. That said, it’s usually pretty easy to spot transmission fluid, which has a reddish color. Remove cooler line from transmission fitting.
Once those lines start to malfunction, then the transmission fluid can overheat. Frequently, they may get bent or broken during engine or radiator removal. So you will have to replace both sides on the trans.