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Home >> BMW >> 1976 >> 3.0Si Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 3.0 Liter & 530I 6 Cylinder >> Engine Front Cover And Oil Seal >> Lower Front Engine Cover

Lower Front Engine Cover

  1. Remove upper front engine cover as previously outlined. Remove timing chain tensioner piston, fan clutch and crankshaft pulley. Remove lower front engine cover.
  2. Replace oil seal. To install cover, reverse removal procedure. Thoroughly clean mating surfaces and use new gasket with sealer. Tighten bolts to specification.
    NOTE: Oil seal can be replaced without removing lower front engine cover.
  3. Remove protective cover from under engine. Remove alternator drive belt. Place a piece of cardboard in front of crankshaft pulley, against radiator.
  4. Remove crankshaft pulley nut and remove pulley. Pry out old seal and install new one. If sealing portion of pulley has a groove worn in it, install seal so that sealing edge does not run in groove.
CAMSHAFT

Engine Journal Diam. In. (mm) Clearance In. (mm) Lobe Lift In. (mm)
2985 cc      
  No. 1 1.3764-1.3770 (34.96-34.98) .0013-.003 (.034-.075) .2802 (7.12)
No. 2 1.7304-1.7310 (43.95-43.97)
No. 3 1.7704-1.7710 (44.97-44.98)
No. 4 1.8094-1.8100 (45.96-45.97)
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