Mercury XC3Z-7B155-E Kit - Transm. Fluid

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At the specified intervals, the transmission fluid should be drained and replaced. Since the fluid will remain hot long after driving, perform this procedure only after the engine has cooled down completely. Before beginning work, purchase the transmission fluid specified in Recommended lubricants and fluids, a new filter and gasket. Never reuse the old filter or gasket! Other tools necessary for this job include jack stands to support the vehicle in a raised position, a drain pan capable of holding at least eight quarts, newspapers and clean rags. Raise the vehicle and support it securely on jackstands. With the drain pan in place, remove the front and side transmission pan mounting bolts. Loosen the rear pan bolts approximately four turns. Carefully pry the transmission pan loose with a screwdriver, allowing the fluid to drain. Don't damage the pan or transmission gasket surfaces or leaks could develop. Remove the remaining bolts, pan and gasket. Carefully clean the gasket surface of the transmission to remove all traces of the old gasket and sealant. Drain the fluid from the transmission pan, clean it with solvent and dry it thoroughly. Upon initial service most transmissions will have a plastic plug lying in the bottom of the pan. This plug was used to keep contamination out of the transmission while on the assembly line. Discard the factory-installed dust plug. Remove the old filter from the transmission. If the filter seal did not come out with the filter, remove it from the transmission being careful not to gouge the seal bore in any way. Install a new seal and filter. Make sure the gasket surface on the transmission pan is clean, then install a new gasket. Put the pan in place against the transmission and install the bolts. Working around the pan, tighten each bolt a little at a time until the final torque figure. Don't overtighten the bolts! Lower the vehicle and add four quarts of automatic transmission fluid through the filler tube. With the transmission in Park and the parking brake set, run the engine at a fast idle, but don't race it. Move the gear selector through each range and back to Park. Check the fluid level. Add fluid if needed to reach the correct level. Check under the vehicle for leaks during the first few trips.

Carefully clean the gasket surface of the transmission to remove old gasket and sealant traces. Drain the fluid from the transmission pan, clean it with solvent, and dry it with compressed air.

Check under the vehicle for any signs of leaks during the first few trips to ensure that the transmission fluid replacement was successful.

Carefully clean the gasket surface of the transmission to remove old gasket and sealant traces. Drain the fluid from the transmission pan, clean it with solvent, and dry it with compressed air.