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1991 Honda Accord The cooling fans

Tiny
MARC LEGENDRE
  • MEMBER
  • 1991 HONDA ACCORD
Engine Cooling problem
1991 Honda Accord 4 cyl Front Wheel Drive Automatic 60 000 miles

Hi,

My problem is, that when I shutt off the engine, the cooling fans dosn't start. Often, I only ear the underhood relay cliking, and fan trying to start.

The relay is good I think. For the rest I don't know

Please and thanks.

Marc
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Saturday, July 24th, 2010 AT 12:55 AM

9 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Power the fan motor from the battery if it comes on-check and test the fan relay/temperature gauge sending unit or coolant temperature sensor.
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Saturday, July 24th, 2010 AT 1:27 AM
Tiny
MARC LEGENDRE
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Hi and thank you rasmataz!

Ok, I know that the fans are working. But I also know that the fans are late to start when the engine's on. But they start and the engine's never over heating. So I don't know.

So, if I'am not mistaking, the fans start to late so the temperature's higher, (I have a problem there I think) but it would't be a problem when the engin's shutt off because the temperature goes higher? I don't know.

I need help please again.
See you, nice to meet you.
Marc
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Saturday, July 24th, 2010 AT 2:28 PM
Tiny
RASMATAZ
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If it has both sending unit and sensor test its resistances. One of these two decides when the fan comes by telling the computer to energize the fan relay or the computer is defective.
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Saturday, July 24th, 2010 AT 3:51 PM
Tiny
MARC LEGENDRE
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Thank you, I will check that. (You answer so fast, it's giant. Even saturday, mium!)

But another question, sorry.

Would it be a problem due that the battery wires are finish( a lot of blue flufie powder on the battery terminals) or is the batteriy power not sufficient because its old (I bought it restored. And even new, I found it a little bit weakier then the real new) That is my tought because of the clicking of the relay trying to start maybe. Not enough juice.

Sorry thank you.
Marc
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Saturday, July 24th, 2010 AT 5:57 PM
Tiny
RASMATAZ
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Load test the battery if okay double check connections and make sure its all cleaned up also check the starter motor side connection. Also possible causes here could be the starter, starter relay, transmission range switch and ignition switch
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Saturday, July 24th, 2010 AT 6:01 PM
Tiny
MARC LEGENDRE
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Hi Mister,

Yes thank you. I'll do my best.

Marc

p.S. Would it be my main relay, because I have the fuel pomp problem sometimes.
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Saturday, July 24th, 2010 AT 6:16 PM
Tiny
MARC LEGENDRE
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Me again,

I'll give a donation next month (I need to make place on my card.) Because your to good.

Marc
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Saturday, July 24th, 2010 AT 6:19 PM
Tiny
RASMATAZ
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TY for the donation, Check and test the main relay and get back asap.
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Saturday, July 24th, 2010 AT 6:50 PM
Tiny
MARC LEGENDRE
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Thanks very good!

I'll have to do all those checkings. But first I have to get the proper tolls that I don't have.

Big thanks and I'll get back to you asap.

Your very kind, thanks again

See you
Marc
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Saturday, July 24th, 2010 AT 8:01 PM

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