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Home >> Land Rover >> 1989 >> Range Rover Base >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.9L V8 >> Removal & Installation >> Distributor >> Installation

Removal & Installation: Distributor: Installation

  1. To install, turn crankshaft to bring number one piston to 6° Before Top Dead Center (BTDC) on compression stroke (both valves closed No. 1 cylinder).
  2. Turn distributor drive until rotor arm is approximately 30° counterclockwise from No. 1 spark plug lead position on cap.
  3. Turn oil pump and distributor common drive shaft so that tongue is in approximate position as illustrated. See Fig 1.
  4. Fit distributor to engine and check that center line of rotor arm is now in line with No. 1 spark plug lead position in distributor cap. Reposition distributor if necessary. The vacuum capsule should be approximately 90° to camshaft. See Fig 2.
  5. If distributor does not seat correctly in timing gear cover, oil pump drive is not engaged. In this event, remove distributor, reset oil pump drive tongue as necessary, and repeat operation.
  6. Fit clamp and nut leaving both loose at this stage. See Fig 2.
  7. Rotate distributor until peak on pick-up lines up with peak on reluctor ring. The rotor arm may be removed for a better view.
  8. CAUTION: DO NOT start engine before this operation is carried out.
  9. Secure distributor in this position by tightening clamp nut. See Fig 2.
  10. Fit distributor cap and spark plugs and connect high tension leads in accordance with Fig 3.
    NOTE: The above distributor setting is to enable engine to be run so that correct setting can be achieved once engine is refitted to vehicle.
Fig 1: Positioning Distributor Drive Shaft
G00067168Courtesy of LAND ROVER NORTH AMERICA, INC.
Fig 2: Installing Distributor
G00067170Courtesy of LAND ROVER NORTH AMERICA, INC.
Fig 3: Identifying Ignition Wire Routing
G00067171Courtesy of LAND ROVER NORTH AMERICA, INC.