GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

radiator fan not blowing, please help

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Old 10-28-07, 09:22 AM
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swollio
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Default radiator fan not blowing, please help

i just got my car out the shop 2 days ago, they installed new radiator fan shroud, radiator, and ac condenser. my car raises to the middle on the temp gauge, so it seems fine. Last night my engine compartment was smoking bad..... realized that the pressure hose from the radiator to the engine(?) blew up so there was radiator everywhere and that was how smoke was created..... i check the car and notice the radiator fan does not blow at all, w/ or w/o ac.....
my questions are:
1) has it damage anything in my car?
2) could the body shop guy forgot to plug in the fan? or i got a bad fan...
3) do i have to remove the fan to plug it in? or can i do it in its position at the time?
4) is there any other reason why the fan not blowing?

thanks for the help guys....
Old 10-28-07, 09:26 AM
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VNN326
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the fan doesnt always blow, its computer activated, you just probally had a bad hose
Old 10-28-07, 09:31 AM
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Gs430Boi
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no harm has been done but you need to get all the fluids like tranny engine and radiator fluids need to be replaced also the fan does have a motor that can go out but i dont know if your fan is belt driven or motorized the motor can go out every blue moon but u know stuff happens

Last edited by Gs430Boi; 10-28-07 at 09:49 AM.
Old 10-28-07, 07:35 PM
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swollio
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Originally Posted by vinhcibLe
the fan doesnt always blow, its computer activated, you just probally had a bad hose
but doesnt fan always blow when a/c is on? ive check 3 cars at my house and all blows when ac is on......how does a hose turn bad? i'm referring to the rubber hose that directs coolant from the radiator and into the right area
Old 10-29-07, 04:10 PM
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VNN326
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Originally Posted by swollio
but doesnt fan always blow when a/c is on? ive check 3 cars at my house and all blows when ac is on......how does a hose turn bad? i'm referring to the rubber hose that directs coolant from the radiator and into the right area
every hose and belt always goes bad. it just takes time or not much time either. loll and im not quite sure about that fan blowing when the AC's on i gotta go check. did you check when the car is just in park with the AC on ? orrr whaaaaaa?
Old 10-29-07, 08:06 PM
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BCP43002
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Check the cooling fan relay if the fan never goes on.
Old 10-30-07, 07:59 AM
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In many cars, the radiator fan is not always on, even with the A/C on. It comes on intermittently when the on-board computer decides it's time to cool the internals down.

So it's probably a bad hose, or a bad fan switch (relay).

Should be a simple diagnosis for a mechanic.
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