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Home >> BMW >> 1978 >> 630CSi Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> 5301, 633CSI & 733I 6 Cylinder >> Engine, Cylinder Head & Manifolds >> Engine

Engine, Cylinder Head & Manifolds: Engine

  1. Remove hood and disconnect battery ground cable. Remove radiator and air cleaner with fuel injection air volume control unit. Disconnect distributor vacuum line and wires from ignition coil. Disconnect fuel feed hose at fuel filter, hose at charcoal filter and vacuum hoses from brake booster. Disconnect all remaining fuel and coolant hoses.
  2. Remove engine ground cable. Remove distributor cap and secondary wiring. Disconnect plug from fuel injection control unit and pull harness into engine compartment. Remove all remaining electrical connections. Detach A/C compressor (if equipped) and suspend from wire. Do NOT disconnect hoses.
  3. Disconnect wires from starter and alternator. Disconnect accelerator linkage. Remove nuts from engine mounts. Remove protective cover from under engine. Remove power steering pump (if equipped). Attach a hoist to lifting holes at front and rear of engine.
  4. Remove transmission. See MANUAL TRANSMISSION REMOVAL  and AUTOMATIC TRANSMISSION REMOVAL . On Manual Transmission models, push back rubber boot on slave cylinder, remove circlip and pull slave cylinder out toward front. Disconnect exhaust pipes at front and rear manifolds.
  5. Remove throw-out bearing lever and bearing from clutch housing. Raise engine and swing out to right to remove. To install, reverse removal procedure. Install drive pulley in correct position and lubricate contact surfaces of throw-out bearing lever with Molykote Long term 2 paste.
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