BMW 11117547842 Shaft Seal

You can Select Your Vehicle to check if 11117547842 fits your vehicle.

The belts should be marked with the direction of rotation.

Crankshaft rear main seal replacement involves removing the transmission and flywheel. Before starting the procedure, it is important to read the entire process. For manual transmission vehicles, the clutch pressure plate and disc need to be removed. The engine oil should be drained. The seal has six removal openings, and if necessary, the rubber coating should be scraped off to expose them. A BMW seal puller is used to remove the seal by inserting sheet metal screws into the removal openings and slowly screwing in the seal remover spindle. Before installing the new seal, the seal seating surface should be cleaned and the crankcase seams degreased. A light coat of engine oil should be applied to the seal lip running surface on the crankshaft flange. The crankshaft seal and installation sleeve are placed against the crankcase opening, ensuring not to kink or damage the sealing lip. The plastic guide sleeve is supplied with the seal and both grooves on the seal should be coated with Loctite® 171000 primer. The seal should be pressed in as far as possible by hand and then the installation sleeve is removed. BMW special tools 11 9 182 and 11 9 184 are used to fit the crankshaft flange, and a spacer ring is placed over the seal. BMW special tools 11 9 181 and 11 9 183 are used to press in the seal. The special tools and spacer ring are then removed. The seal grooves and crankcase seams should be coated with Loctite® 171000 primer using a brush. An injector kit is used to fill the seal grooves and crankshaft seams with Loctite® 128357 sealant. The sealed areas should be coated with Loctite® 171000 primer to bind the sealant. The remainder of the assembly is the reverse of the disassembly, including installing the flywheel, clutch or torque converter, and transmission. The engine should be filled with oil and then run to check for leaks.

To replace the crankshaft rear main seal (flywheel seal), the transmission and flywheel must be removed. For manual transmission vehicles, the clutch pressure plate and disc should also be removed. The engine oil should be drained. The seal carrier bolts should be removed from the oil pan, along with loosening all oil pan bolts. Carefully remove the seal carrier without damaging the oil pan gasket. Check the oil pan gasket for damage and replace if necessary. Install the new seal carrier to the crankcase, ensuring that the locating sleeves and bores are not damaged. Replace the main seal carrier gasket and apply a thin coat of sealant to the oil pan gasket sealing surfaces. Lubricate the crankshaft seal contact surface. Use the plastic support bushing from the seal kit as an installation guide to fit the seal over the crankshaft. Remove the installation sleeve. Install the seal carrier bolts and torque them to specifications, using new bolts at the base of the seal carrier and coating the threads with sealing compound. Install and tighten the oil pan bolts. The remaining assembly is the reverse of the disassembly, including installing the flywheel, clutch or torque converter, and transmission. Fill the engine with oil and run the engine to check for leaks.

The BMW special tools 11 9 231 and 11 9 233 are used to press in the seal.