Buick Regal V6-191 3.1L (1991)
Relays and Modules
Sensors and Switches
Maintenance
Engine, Cooling and Exhaust
Engine
Cooling System
Coolant
Coolant Drain Plug, Cylinder Block
Coolant Level Indicator Lamp
Coolant Level Sensor
Coolant Reservoir
Radiator Cooling Fan
A/C Pressure Sensor/Switch - Cooling Fan
Radiator Cooling Fan Motor
Component Information
Locations
Diagrams
Testing and Inspection
Initial Inspection and Diagnostic Overview
Component Tests and General Diagnostics
Component Diagnostic Charts - PFI
Chart C-12A (Production Release Before VIN 800,000)
Part 1 of 2
Page 1746
Page 1747
Page 1748
Chart C-12B (Production Release After VIN 800,000)
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Page 1754
Radiator Cooling Fan Motor Relay
Radiator Cooling Fan Temperature Sensor / Switch
Fan Clutch
Engine - Coolant Temperature Sensor/Switch
Heater Core
Heater Hose
Lamps and Indicators - Cooling System
Radiator
Radiator Cap
Radiator Hose
Relays and Modules - Cooling System
Sensors and Switches - Cooling System
Temperature Gauge
Temperature Warning Lamp/Indicator, Engine Cooling
Thermostat, Engine Cooling
Water Pump
Exhaust System
Powertrain Management
Transmission and Drivetrain
Brakes and Traction Control
Starting and Charging
Power and Ground Distribution
Steering and Suspension
Heating and Air Conditioning
Restraint Systems
Accessories and Optional Equipment
Body and Frame
Cruise Control
Instrument Panel, Gauges and Warning Indicators
Lighting and Horns
Windows and Glass
Wiper and Washer Systems