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Home›Repair guides›Engine Removal - Method 1

Nissan — Engine Removal - Method 1

For these Nissan models: H15, H20-11, H25.

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Before you start

  • Before removal, the battery ground cable should be disconnected
  • Do not remove the engine until the exhaust system has completely cooled off
  • Before raising engine, try loosening wires two or three times to make sure it is safe to do so
  • When raising engine, be especially careful not to hit it against adjacent parts
  • Before working on engine, check that coolant is cool
  • Before removing muffler, check that it is cool
  • Be careful not to hit engine assembly against any adjacent parts while it is being lifted

Procedure

  1. Disconnect battery ground cable
  2. Place chocks on front and rear wheels to prevent lift truck from movement
  3. Remove top panel, radiator cover, floorboard and top panel support assembly
  4. Remove radiator reservoir tank and air cleaner assembly
  5. Remove radiator shroud from radiator
  6. Open radiator drain cock to drain coolant
  7. Disconnect both upper and lower radiator hoses from radiator
  8. Disconnect two oil cooler hoses from radiator (A/T models). After disconnecting, plug hose openings to prevent oil from flowing out
  9. Remove radiator
  10. Remove muffler assembly
  11. Disconnect accelerator and choke control wires from carburetor
  12. Disconnect engine ground cable from engine
  13. Disconnect wires from the following parts: Inhibitor switch, Back-up lamp switch, Distributor, Ignition coil, Starter, Alternator, Carburetor, Water thermo sensor, Oil pressure switch, Oil thermo sensor (A/T models)
  14. Disconnect fuel hose and vacuum hose from engine
  15. Remove upper overhead guard
  16. Attach wire ropes to engine slingers and slightly lift engine
  17. Remove engine mounting center bolts from both sides
  18. Remove hydraulic oil pump from engine and support it at body side
  19. Remove drive plate securing bolts (A/T models) or clutch assembly
  20. Support transmission with wooden block
  21. Remove bolts securing engine to transmission housing, and separate engine and transmission
  22. Gradually lift engine assembly and move it away from lift truck

Specs & torque values

  • Torque: 59-68 N-m (6.0-6.9 kg-m, 43-50 ft-lb) for engine to mounting bracket

Source: manual:Nissan H15-H20-H25 Service Manual 1993.pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.