the fans are operated by means of a series of relays which are turned on or off by the engine computer. the engine coolant temp sensor that sends its signal to the engine computer is what indirectly turns on the fans. if there is no check engine light for a coolant temp. sensor code, the problem lies in the fans themselves, or the relays and related wiring.
The coolant temp sensor screws into the thermostat housing. This is located where the top radiator hose connects to the engine.
Left side upper portion of the radiator.
Low coolant, check radiator and resevoir, if its nit low there is a low coolant sensor that may be bad , this is a knon issue on these cars, sensor is located about 2-3 inches down under the radiator cap on passengersid
The coolant temperature sensor of a 1998 Nissan Altima is located beside the upper radiator hose. It constantly updates the vehicle's computer about the engine's temperature.
The computer uses the coolant temp sensor which is located near where the upper radiator hose hooks to the engine.
the sensor is faulty. Located half way down the side of the radiator.
I've been told that a sensor located in the plastic reservoir has gone bad. I'm not sure where the sensor is located. It could be located inside the tip of the plastic hose that goes from the radiator to the reservoir.
The coolant temperature sensor is located under the hood of the car. The sensor is located to the left of the brake booster at the rear of the engine.Ê
The coolant temperature sensor in a 1998 Cadillac Seville STS is in the engine compartment. It is located on the intake manifold.
On a 1998 Ford Taurus : The thread on cap on the engine coolant reservoir is the pressure cap / radiator cap
The crankshaft sensor on the 1998 NISSAN ALTIMA is located next to the radiator side of the harmonic balancer
Where is coolant fan switch located on 1998 chevy Malibu with 3 .1