Materials and tools:
* New automatic transmission main oil seal
* Transmission fluid
* Transmission sealant
*Socket head of appropriate size
* Torque wrench
* Pliers
* Flat head screwdriver
* Brush with metal bristles
* Rags
Steps:
1. Draining transmission fluid:
– Place the car on a lift or place jacks under it.
– Open the oil pan drain plug and drain the fluid into a suitable container.
2. Removing the oil pan:
– Unscrew the bolts securing the oil pan.
– Carefully remove the pan, holding the gasket.
3. Removing the old oil seal:
– Identify the old main oil seal. It is usually located in the center of the oil pan.
– Use a flathead screwdriver or a suitable tool to pry up the lip of the seal.
– Carefully remove the old oil seal.
4. Preparing a new oil seal:
– Lubricate the lips of the new oil seal with a small drop of transmission fluid.
– Coat a small area around the oil seal seat with transmission sealant.
5. Installing a new oil seal:
– Insert the new oil seal in place of the old one.
– Use your fingers to manually push the oil seal until it stops.
– Place pliers on the protruding lip of the oil seal and gently pull until it is fully seated.
6. Installing the oil pan:
– Clean the surface of the oil pan and gearbox housing from old sealant using a wire brush.
– Apply new sealant to the clean surface of the oil pan.
– Install the gasket onto the oil pan and carefully attach it to the transmission housing.
– Tighten the oil pan bolts with a torque wrench to manufacturer specifications.
7. Filling transmission fluid:
– Pour fresh gear oil into the gearbox through the filler hole.
– Check the fluid level and add if necessary.
8. Cleaning and checking the tread:
– Clean the area around the oil pan of any spilled liquid.
– Start the engine and let the gearbox run for a while.
– Check the pan and surrounding area for leaks.