Nissan Sentra/Pulsar/NX 1982-1996 Repair Guide

Diesel Engine Vacuum Pump

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See Figures 1 and 2



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Fig. Fig. 1: Exploded view of diesel engine vacuum pump-CD17 diesel engine



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Fig. Fig. 2: Diesel engine vacuum pump pipe and hose connections-CD17 diesel engine

REMOVAL & INSTALLATION



The vacuum pump is driven by the alternator rotor shaft. The pump is lubricated by engine oil.

  1. Drain the oil from the vacuum pump by manually rotating the fan belt clockwise to discharge any oil in the pump.
  2.  
  3. Disconnect all oil pipes and vacuum hoses from the pump.
  4.  
  5. Remove the pump from the alternator assembly.
  6.  

To install:
  1. Prime the pump with clean engine oil.
  2.  
  3. Install the pump and torque the bolts to 14-18 ft. lbs. (20-25 Nm).
  4.  
  5. Connect all oil pipes and vacuum hoses. Torque the banjo fittings to 22-25 ft. lbs. (29-34 Nm).
  6.  

 
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