Alt Whine at idle... - TCCoA Forums
 
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post #1 of 10 (permalink) Old 11-29-2004, 08:22 AM Thread Starter
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Alt Whine at idle...

I have noticed that when I am in drive and stopped I can hear a whine from the engine. I have come to the conclusion that it is my alt. Its a 130 amp alt. I noticed when I turn my headlights on or my driving lights, the whine gets louder. When the car is in Park, there is no whine at all. I don't know why it does this. Do I have to up grade that wiring for the alt? I have it connected directly to the battery with a thicker wire and thats it. Thanks for the help.


-Brian
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post #2 of 10 (permalink) Old 12-01-2004, 10:44 PM
 
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Is it engine noise coming from the alternator or a engine whine through your speakers?
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post #3 of 10 (permalink) Old 12-01-2004, 11:23 PM
 
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it may also be a dead or dieing PS pump thats what mine did both times I lost one
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post #4 of 10 (permalink) Old 12-02-2004, 01:39 PM Thread Starter
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engine noise coming from the alternator.


-Brian
1989 Mercury Cougar - Anything but the Ordinary

Fully Built 4.2 Coming Soon, Parts include:
SC Block, 4.2 Crank, Scat H Beam Rods, Wiseco Pistons, Custom Comp Cam, 3/8 Main Stud Girdle, Ported/Polished Split Port Heads and Lower Intake, Windstar Upper, Heavier Springs, 1.73 Roller Rockers, BBK Valve Covers, Kooks long tube headers, Aluminum Radiator.

It May Not Be Pretty When Finished, But It'll Perform Pretty Darn Well.
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post #5 of 10 (permalink) Old 12-02-2004, 03:08 PM
 
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Id say its the ps pump
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post #6 of 10 (permalink) Old 12-02-2004, 03:33 PM Thread Starter
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I left the car on in drive with the e brake on to listen to the noise. It really seems like its coming from the alt. In front of the car you cant hear it that much, but once your inside the car you can here it. It just doesnt make sense that you hear it in drive at idle, but not in park at idle.


-Brian
1989 Mercury Cougar - Anything but the Ordinary

Fully Built 4.2 Coming Soon, Parts include:
SC Block, 4.2 Crank, Scat H Beam Rods, Wiseco Pistons, Custom Comp Cam, 3/8 Main Stud Girdle, Ported/Polished Split Port Heads and Lower Intake, Windstar Upper, Heavier Springs, 1.73 Roller Rockers, BBK Valve Covers, Kooks long tube headers, Aluminum Radiator.

It May Not Be Pretty When Finished, But It'll Perform Pretty Darn Well.
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post #7 of 10 (permalink) Old 12-02-2004, 07:26 PM
 
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Me too dude, sory but Ive been through this 3 times now, 3rd under warrenty thank god, but Id check that I thought it was my alt the first time and it was BOTH but 2nd & 3rd were ps pump
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post #8 of 10 (permalink) Old 12-07-2004, 07:23 PM Thread Starter
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I believe now that it is the power steering pump. I can hear the noise change as I am turning the wheel. But one more question. Since it is on its way out, would it make my car stall when I am turning the wheel? Sometimes when I turn the wheel it almost stalls so I have to pause, then continue. Thanks for the help so far.


-Brian
1989 Mercury Cougar - Anything but the Ordinary

Fully Built 4.2 Coming Soon, Parts include:
SC Block, 4.2 Crank, Scat H Beam Rods, Wiseco Pistons, Custom Comp Cam, 3/8 Main Stud Girdle, Ported/Polished Split Port Heads and Lower Intake, Windstar Upper, Heavier Springs, 1.73 Roller Rockers, BBK Valve Covers, Kooks long tube headers, Aluminum Radiator.

It May Not Be Pretty When Finished, But It'll Perform Pretty Darn Well.
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post #9 of 10 (permalink) Old 12-11-2004, 09:26 PM
 
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Just dont turn so much
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post #10 of 10 (permalink) Old 12-12-2004, 02:39 AM
 
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If you wanna be sure of where a noise on your engine is coming from, grab a long screwdriver and put the driving end on the part you suspect. Put your ear to the handle. It works.
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