BMW 318/325/M3/525/535/M5 1989-1993 Repair Information

Pilot Bearing

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The pilot bearing is located in the end of the crankshaft and holds the end of the transmission input shaft in alignment. If the pilot shaft seizes, the transmission will grind into gear on not shift into gear at all. Sometimes what are thought to be transmission problems can be cured with a new pilot bearing, if found to be stuck or sticking. It is always a good idea to replace the pilot bearing along with the clutch and release bearing.

REMOVAL & INSTALLATION



  1. Remove the transmission and clutch.
  2.  
  3. Use a small bore bearing puller to remove the bearing from the end of the crankshaft. Note the order of washers and spacers when removing.
  4.  
  5. Clean the bore in the crankshaft of the old grease.
  6.  
  7. Lubricate the new bearing with 1 gram of grease and drive into the crankshaft bore.
  8.  
  9. Install the washers and spacers onto the crankshaft. Clean any excess grease from the surrounding area.
  10.  
  11. Install the clutch and transmission.
  12.  

 
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