Clevel ... 5/12/2012

1995 Buick Riviera Base 6Cyl3.8L - Engine

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Cooling Fans not engaging

Fans do not engage when connected to cooling sensor but runs when unplugged.
Check engine light is not on when fan sensor is connected
replaced sensor and checked all relays

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  CVO 5/12/2012

  See this FIG : Fig. 44: 1994-98 Buick, Oldsmobile, Pontiac Engine Schematic ( from the 95 Lesabre, no data provided for 95 Riviera ).
  http://www.autozone.com/.../...rGuideContent.jsp
  
  
  The left cooling fan motor is connected to the powertrain control module via the high speed cooling fan relay.
  
  Check the coolant temperature sensor.
  OPERATION
  TESTING
  REMOVAL & INSTALLATION
  http://www.autozone.com/.../...rGuideContent.jsp

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