Genuine 2008 Nissan Maxima Crankshaft Seal

2008 Nissan Maxima Crankshaft Seal Parts Questions & Experts Answers

• Q: How to replace the front crankshaft seal, crankshaft pulley, and timing belt on 2008 Nissan Maxima with SOHC engine?

  A: Remove the crankshaft pulley, timing belt covers, and timing belt. Carefully remove the crankshaft sprocket using a prybar or two screwdrivers, taking care not to damage the oil pump body. If the sprocket cannot be pried off, drill and tap two holes into its face and use a bolt-type puller to remove it from the crankshaft, ensuring not to reuse a drilled sprocket. Remove the inner timing belt guide, noting the outward-facing side, and carefully pry the oil seal out with a screwdriver, avoiding any scratches or nicks on the crankshaft. Before installation, apply a thin coat of multi-purpose grease to the inside of the seal. Fabricate a seal installation tool using a short length of pipe slightly smaller than the seal's outside diameter, ensuring the end is free of sharp edges. A long bolt matching the crankshaft pulley bolt thread pitch and a large washer slightly larger than the pipe will also be needed. Press the oil seal into position using the installation tool, tightening the bolt until the seal is bottomed in the housing without turning it further to avoid damage. Install the inner timing belt guide onto the crankshaft nose, ensuring the Woodruff key is in place. Apply a thin coat of assembly lube to the inside of the timing belt sprocket and slide it onto the crankshaft. Finally, reinstall the remaining components in reverse order of removal, tightening all bolts to the specified torque.