Honda 13810-R1A-A02 Pulley Complete Crank

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Disconnect the cable from the negative battery terminal, loosen the right front wheel lug nuts, raise the vehicle, and support it securely on jackstands. Remove the wheel and the splash shield from below the engine compartment. Remove the drivebelt. Unscrew the crankshaft pulley bolt using a special tool that engages with the recessed hex in the pulley opening to prevent the crankshaft from turning; if unavailable, remove the flywheel/driveplate inspection cover and wedge a screwdriver into the starter ring gear teeth. Slip the pulley off the crankshaft, noting that the crankshaft pulley bolt can be incredibly tight, and an impact tool may be necessary if pulley holding tools are not used. Carefully pry the seal out of the housing with a seal removal tool or a screwdriver, ensuring not to nick or scratch the crankshaft or oil pump housing, as this could cause the new seal to leak. Clean the bore in the seal housing and coat the outer edge of the new seal with engine oil or multi-purpose grease. Using a seal driver or a socket with an outside diameter slightly smaller than the seal, carefully drive the seal into place with a hammer until the inner edge is 7/32 to 15/64-inch deep, checking afterward to ensure the spring did not pop out. Lubricate the lip of the seal with a thin film of engine oil or multi-purpose grease, then lubricate the crankshaft bolt with oil between the head of the bolt and the washer and the first few threads of the oil only before installing the crankshaft pulley, ensuring the flats on the sleeve align with the inner oil pump gear. Complete the installation in reverse order and run the engine to check for leaks.

Slide the pulley off the crankshaft and use a seal puller to remove the crankshaft front oil seal, or a screwdriver wrapped in tape to avoid scratching the crankshaft.