Ford F5TZ-6701-A Seal Assy - Crankshaft Oil

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Among the tasks connected with the crankshaft is to remove and install the crankshaft pulley which means that one should first remove the drive belt and then the crankshaft pulley bolt though according to the manufacturer's advice, one should replace the bolt every time it is loosed. If necessary, a longer, smaller diameter bolt should be threaded into the crankshaft to give anchor point for the puller, and the puller which bolts onto the pulley hub must be used, since damaged crankshaft damper can be caused by jaw-type pullers. On the surface of the pulley where the front seal rides, apply clean engine oil and then fit the crankshaft pulley with the aid of an installation tool, do not hammer on it, then tighten the pulley bolt to the specified torque. For front oil seal replacement remove the crankshaft pulley and gently push out the oil seal clean the bore of the seal and check for nick or gauges. Wipe a drop of clean engine oil on the lip of the new seal before pushing it into the corresponding bore by use of a suitable tool, ensure the open side is towards the engine then fit the crankshaft pulley. To have access to the Timing Cover, there are many other components that you need to take off, and these include the crankshaft pulley and timing sensor, the cooling system have to be drained, and the engine cooling fan and the radiator has to be taken off. Remove the air conditioning compressor and bracket, not severing any refrigerant lines, also, take out the oil pan and water pump, and any hoses that would be required for their removal. You have to take off brackets, studs, and cover bolts during your work, which have to be marked so that they might be fastened in their proper positions again. Remove carefully the cover, check if all the bolts or studs have been removed and if they are seized / rusted, gently apply a knock gently or pry to break the gasket seal. For service, assemble and check the parts removing gasket material and oil film on all surfaces, on TC applications, remove and reinstall the guide sleeves, install the front cover with a new gasket and tighten the bolts by hand. Finally, adjust the cover bolts equally and done in an opposite sequence to a manner in which the above components were removed. Last but not the least let the engine be on and observe if there is any oil and coolant leakage.

Reinstall the flywheel/driveplate, making sure the crankshaft sensor ring is between the crankshaft and the flywheel/driveplate.

The lip of the new seal and the outer diameter of the crankshaft should be lubricated with engine oil. Make sure the edges of the new oil seal are not rolled over.

The remainder of the installation is the reverse of removal.

Remove the drivebelts and the crankshaft pulley.

Remove the transmission, and clutch assembly.

A 3-jaw puller is used to remove the crankshaft pulley on 3.7L models.

A thin (but durable) two-inch wide plastic strip or a two-liter plastic beverage bottle cut to size can be used around the inside circumference of the seal.

Run the engine and check for leaks.

Remove the clutch assembly.

The new seal should be positioned onto the crankshaft, ensuring that if marked, the words "THIS SIDE OUT" face out toward the rear of the engine.

Insert a longer, smaller-diameter bolt into the crankshaft so the puller will have something to bottom against, then remove the crankshaft pulley with a puller designed for this job, available at most auto parts stores. DO NOT pry the pulley off or use an impact puller!

Clean the seal bore and check it for nicks or gouges. Also, examine the area of the hub that rides in the seal for signs of abnormal wear or scoring. For many popular engines, a repair sleeve is available to restore a smooth finish to the sealing surface. Check with your auto parts store.

Thread a sheet metal screw into each hole. Pry against the sheet metal screws with two large screwdrivers or small pry bars to remove the seal. If you need a fulcrum to pry against, use two small blocks of wood.

Remove the power steering fluid cooler mounting bolts and position the assembly to the side without disconnecting the fluid lines.

Remove the transmission and clutch and pressure plate (if equipped).

The first step is to disconnect the cable from the negative battery terminal.

With a sharp awl or similar tool, punch two holes in the seal on opposite sides just above the point where the main bearing cap meets the cylinder block.

To remove the oil seal, carefully pry it out with a screwdriver, taking care not to gouge the cover.

Remove the engine cooling fan and shroud assembly.

Apply a thin film of engine oil to the mating edges of the seal and the seal bore in the block, as well as the seal lips.

Lubricate the oil seal with clean engine oil and press the seal into the retainer using Rear Seal Replacer TBST-6701-A or equivalent.

Tighten the cover bolts evenly to the torque.

The remaining installation steps are the reverse of removal.

Position the seal in the bore with its open end facing IN and drive it in with a seal driver until it is securely seated. Use a socket or piece of pipe the same diameter as the seal if a seal driver isn't available.

Use a seal puller to remove the crankshaft front oil seal, taking care not to damage the crankshaft or the seal bore in the cover. A screwdriver may be used instead, if the tip is wrapped with tape to avoid scratching the crankshaft.

Ensure the squareness of the rear seal with the crankshaft center line and that the dimension from the seal to the rear face of the block is within tolerances.

Coat the lip of the new seal with clean engine oil and drive it into the bore with a socket or section of pipe slightly smaller in diameter than the seal. The open side of the seal faces into the engine.

The crankshaft front oil seal can be removed with the use of a special tool or with the careful use of a screwdriver with the end taped. Be very careful not to damage the cover or scratch the wall of the seal bore. If the engine has accumulated a lot of miles, apply penetrating oil to the seal-to-cover joint and allow it to soak in before attempting to remove the seal.