How to troubleshoot a Saturn radiator fan and relay?

Check the fuse for the fan and relay. Remove the fan fuse under the dash. Open the fuse box by turning the knob on the fuse panel cover counterclockwise and pulling the fuse panel down. Remove the fuse for the fan with the supplied fuse puller (on the underside of the fuse box panel cover). Check to make sure that the fuse has not failed.

Where is the fuse box on a Saturn Vue?

It is located on the passenger side of the central console, behind the cover. How to check the fuses? How to replace a blown fuse? Why do car fuses blow?

What is the name of the fuse box?

Fuse box diagram Name Usage ECM/TCM Battery Voltage to ECM, TCM, PCM (3.5L V BATT FEED Instrument Panel Fuse Box HORN Horn * * Emissions

How to replace coolant Tempature sensor on Saturn?

Afterwards, Richpin shows how to examine the sensor parts and the connector. Finally, Richpin connects the new sensor to the place where it belongs. Want to master Microsoft Excel and take your work-from-home job prospects to the next level?

What happens when the radiator fan does not work?

However, over time, several things can go wrong with it. When the radiator fan does not work, this is a serious problem. The fan helps cool off the radiator, which acts as a heat sink drawing heat away from the engine. If the fan is not working properly, the radiator will not properly cool the engine.

What should I do if my fan does not start?

Make sure that you are not touching the battery directly or that you are not touching any exposed wiring. Hold the fan wiring by the protective plastic coating. If the fan starts, the fan is not the problem. If it does not start, the fan has failed.

What was the problem with the Saturn L series?

The L series was troubled early in production by a number of quality issues, often related to engine failures, transmission failures and overall fit and finish issues. Consumers reported repeat problems with tire noise and vibration linked to poorly designed control arm bushings and nonadjustable rear alignments.

Where are the fuses located on a Saturn L?

Saturn L-Series (1999 – 2004) – fuses box diagram Year of production: 1999, 2000, 2001, 2002, 2003, 2004 Floor Console Fuse Block The driver’s side instrument panel is located under the instrument panel on the driver’s left side. Saturn L-Series – fuse box – instrument panel (driver’s side) Fuses Usage RADIO Audio, OnStar®, Rear Seat DVD (Option

When did the new Saturn L come out?

2003: Sedans were facelifted, front and rear; wagons received the new front along with new taillights. Silver dash trim replaced wood trim, and a new available alloy wheel design (borrowed from Saab) were also both added for the 2003 model year. Anti-lock brakes with traction control were made optional again.

Why does my radiator fan on my Saturn not work?

The radiator fan on a Saturn should give you years of trouble-free performance. However, over time, several things can go wrong with it. When the radiator fan does not work, this is a serious problem. The fan helps cool off the radiator, which acts as a heat sink drawing heat away from the engine.

Where is the fuse on a Saturn radiator fan?

Remove the fan fuse under the dash. Open the fuse box by turning the knob on the fuse panel cover counterclockwise and pulling the fuse panel down. Remove the fuse for the fan with the supplied fuse puller (on the underside of the fuse box panel cover). Check to make sure that the fuse has not failed.

What should I do if my radiator fan is not working?

Pull the leads off the relay switch. Touch the red or power lead to the positive terminal of the battery directly. Then, touch the negative lead from the fan to the negative terminal on the battery. Always connect the negative lead last and remove it first from the battery.

What kind of temp sensor does Saturn use?

However, its lineup continues to be sold privately in the retail market. The Saturn lineup includes the S-series, the L-series, Vue, Ion, Sky and Aura. Underneath the hood of Saturn vehicles, the coolant temperature sensor helps monitor and regulate the engine temperature.

How to troubleshoot the air conditioner in a Saturn s?

Before you start troubleshooting the AC, you’ll want to make sure that the outside temperature is above forty degrees. Then start the car, put the fan switch on, and push the AC button in. Now you should see the compressor clutch in the AC system spinning. If it isn’t, you need to find out why not.

When does the cooling fan start on a Saturn Vue?

FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE. AFTER THE … read more

When does the temperature light come on in a Saturn SL1?

1996 Saturn SL1 – the Temperature light comes on when I first start the car and stays on until I travel about 2 miles then goes off. It comes back on … read more Vocational, Technical or Tra… My transmission overheated in my 2005 Saturn Vue (automatic) on a long road trip in 90 degree weather. After cooling down, I was able to … read more

FIRST 2008 SATURN VUE XR. ABS LIGHT CAME ON WHILE DRIVING. FIRST TIME IVE SEEN IT SINCE BUYING THE CAR IN JUNE. AFTER THE … read more

What are the symptoms of a bad cooling fan relay?

1. Engine running hot One of the first symptoms commonly associated with a bad or failing cooling fan relay is an engine that runs hot or overheats. If you notice that your engine is running at higher temperatures than normal, that may be a sign that the relay is not functioning properly.

Why are the cooling fans running constantly in my car?

Aux fan control is generally run by a relay, usually tied to whatever engages the compressor clutch (typically the AC switch on your dashboard). I would be willing to bet when the compressor was removed, someone jumpered out the cooling fan relay (s) so both fans run constantly. Yes, your fans running constantly indicate a problem.

What to do if your radiator cooling fan Wont Stop Running?

Remove the lid. Look on the inside of the lid and for the mapping of the fuses and relays with their location. Pull the cooling fan relay out of the box. Replace the cooling fan relay with a new one. A stuck closed relay is the only thing that can operate the cooling fan continuously with the key off.

Why does my car run when the a / C is off?

Also, most cars will run the fans at a high speed if the A/C is turned on. However, when you first start up a stone cold car with the A/C off, they should not be running. If they are, the ECU is commanding them on falsely (bad temp sensor or it thinks the missing A/C compressor is “on”) or the relay may be stuck closed.

Why does my radiator fan run full speed when I start the car?

Immediately upon starting the car, the radiator fan begins to run full speed, even though the car is stone cold. The AC is OFF. The radiator and condenser are BRAND NEW. This problem existed before and after the radiator was replaced. The fan continues to run at its maxiumum speed, regardless of the engine temperature.

How does a radiator fan get hot all the time?

The fan uses a relay in the fuse relay box under the hood. The relay has four terminals–one that is hot all the time, even with the key off. A second terminal becomes hot only when the key is on.

When to turn on the radiator fan switch?

When the switch is turned on, the power is sent back to the relay, through the relay and to ground, which activates the switch. The fan switch should be left on except when cruising. When the vehicle comes to a stop and no air is moving through the radiator, the fan should be on.

How do you connect a radiator fan to a hot wire?

Turn the key on and check for a second terminal to have power. This is the one from the key that will be used to actuate the relay. Mark it down. Put the voltmeter on ohms and check the remaining two terminals for a ground. Mark the terminal showing ohms down as a ground. The last terminal is the one to the fan.

Why does my coolant light keep turning on?

Your thermostat may be stuck open and causing improper readings. If you recently had your thermostat replaced, check to see that it was replaced with the correct temperature range. Your coolant light might be signs of a more major engine problem.

Where is the relay on a radiator fan?

The fan relay is often located in the engine bay’s fuse box, but the best way is to check your repair manual to find where it is located. Testing a 4 pin relay is often very straightforward. Remove the relay and give 12 volts to pin 30 and 85. Ground pin 86 and check if there is voltage coming out from pin 87.

What does it mean when your radiator fan is not working?

This is what we call a blown fuse. A blown fuse is no big deal, and changing one does not cost a lot of money. If your car’s radiator fan is non-functional, check your car’s user manual and locate the fuse for the radiator fan controller or the fan.

Is there a way to test a radiator fan?

You can test the electrical radiator fans by taking a wire from the car battery, unplug the radiator fan connector, and put 12v+ and ground into the connector. This is the fastest and easiest way to test your radiator fans. Because the radiator fan is often drawing so much power, there is often a relay that is powering the coolant fan.

How to diagnose a Saturn ignition key or switch problem?

Locate the fuse for the starter in the fuse panel using the fuse diagram on the underside of the fuse panel cover. Remove the fuse using a fuse puller in the fuse box. Check the fuse to make sure that the metal strip inside the fuse is not broken or damaged in any way. If it is, replace the fuse with another fuse of the same amperage.

How to troubleshoot the air conditioning in a Saturn Ion?

Pull on the accessory trim plate to release the retaining fasteners to get to the control panel. Disconnect the electrical connector. Remove the screws from the radio and pull the radio out. Disconnect the radio electrical connectors and remove the radio.

Where is the fuse on a Saturn ignition?

Open the fuse panel under the steering column by turning the knob on the fuse panel counterclockwise and pulling down on the cover. Locate the fuse for the starter in the fuse panel using the fuse diagram on the underside of the fuse panel cover. Remove the fuse using a fuse puller in the fuse box.

Can a bad coolant sensor cause a car to not start?

Some cars use the engine coolant temperature sensor to control the electric cooling fans. You have two separate temperature sensors for the fans, dashboard gauge, and engine management in most cars. However, if your car has a single sensor, a bad engine coolant temperature sensor may result in your fans won’t start at all.

What does the coolant temperature sensor do on an engine?

The engine coolant temperature sensor’s job is to measure the coolant temperature for the engine control module. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. This article will discuss the most common symptoms of a bad coolant temperature sensor, location, replacement cost.

How much does it cost to replace a coolant temperature sensor?

Unscrew the ECT sensor in an anticlockwise direction, similar to how a spark plug is removed. Install the new sensor and reconnect the connector cable. The average replacement cost of the Coolant Temperature Sensor is between $100 and $220. The labour cost is between $40 and $140 while the part itself costs between $50 and $80.

When does a Saturn’s series engine fail?

The aftermarket replacements have a quality problem; best bet is to find a low mileage junkyard replacement or order the OE part (~$70). Not hugely common, but still a recurring failure. They usually fail when the engine is hot. You’ll be driving along, and suddenly the engine dies, and won’t restart until it cools.

What causes a Saturn’s to slam into reverse?

This causes the car to “slam” into reverse and/or harsh upshifts, depending on which is worn. It will eventually destroy the line pressure solenoid, which will make for very hard upshifts. If left for a while, it will knock the input shaft nut loose, further worsening the condition of the shifts.

Why is my fuel pump not working on my Saturn s?

This is caused mainly by overdrawing from the 12v socket, or high power aftermarket accessories drawing from the same circuit. There will be melted plastic around the fuse. The radio, chime module, dome light, 12v socket, and fuel pump are on this circuit. You will probably know about it when the fuel pump stops working.

Are there any problems with the Saturn’s series?

Saturn experimented with making these out of plastic, it was a huge failure. ALL of them failed, if you still own one of these cars and it hasn’t been replaced, it has failed. Symptoms include hard starting, rough idle, temperature gauge not working, awful fuel economy, poor performance, and stumbling, among many other things.

Why are my coil springs broken on my Saturn s?

-Broken coil springs in 3rd generation (00-02) cars. If you’re doing struts, replace the springs. OE junkyard replacements from a gen-1 or gen-2 car are your best bet. This is caused mainly by overdrawing from the 12v socket, or high power aftermarket accessories drawing from the same circuit.

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