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Radiator fan/coast to fix - 2002 Buick Century

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An hour or two labor cost plus the cost of a new fan motor, and the shop's mark-up for the fan motor. If diagnosing of the fan circuit is called for, expect to pay more.
Save the labor costs and price of new motor by doing it yourself with a whole fan assembly from a salvage yard. Very easy to remove and replace. However, if it is not the motor at fault but a circuit fault, you will have to diagnose or pay for diagnostics, but with a known good fan motor, would be considerably less. The computer energizes the radiator fan relay to shoot power to the fan motor when needed.

Posted on Jul 16, 2013


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Posted on Jan 02, 2017


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Depends on the area you live in. The fan motor is around $30 and the entire assembly with both fans is over $250. Then you add on labor for your area.

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1. Check the coolant level if you have not already.

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That is a VERY easy radiator.
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My car is overheating

Hello, You did not indicate what vehicle this is. But in general, most cars have 2 water sensors. One makes the dash gauge work and the other makes the Electric radiator fan work. Check with a good Autoparts store like Autozone, Oreilys, or Advance for parts application. These stores will also scan your vehicle for free.
When you have an Electric cooling fan there are usually 2 speeds on them. When the engine is really hot(Overheating) and when the A/C is switched on, most will run on High speed. You can sometimes have only low speed and the car will be Okay until you get in slow traffic or use the A/C. There are Relays for the fan which turn on when the water sensor(remember there are usually two)activates them.
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When you post a problem, remember to give the type of car you have.

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Change your thermostate also because this could be the cause of why it is overheating. it is not unusual for thermostates to go out. and it will only coast you around 10 usd to replace if you do it your self. and also check to see if your engine fans are working you can do this by starting the car and turning on the air conditioning. when you turn on the a/c the fans should run. hope this helps you out
please rate me if you would
thank you

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