Car Making Funny Noises

JohnCU

Banned
Dec 9, 2000
16,528
4
0
What a wonderful Friday 13th so far....

I woke up this morning and got in my car and started noticing a strange noise, one that got more noticable as the engine revved higher. It was kind of like a whiney sound, like "woooooo" when I pressed the gas. Kind of hard to describe. Any ideas? Car is running fine.
 

ElFenix

Elite Member
Super Moderator
Mar 20, 2000
102,402
8,574
126
i figured out the high pitch whine in my car at higher rpms is probably the balance shafts spinning at 2x rpm.
 

Pepsi90919

Lifer
Oct 9, 1999
25,162
1
81
Originally posted by: JohnCU
What a wonderful Friday 13th so far....

I woke up this morning and got in my car and started noticing a strange noise, one that got more noticable as the engine revved higher. It was kind of like a whiney sound, like "woooooo" when I pressed the gas. Kind of hard to describe. Any ideas? Car is running fine.

the exhaust goes WOOOOOOOOOOOOOooooooooooo!!!!!! ?



realistically it could be an alternator or something belt-driven.
 

DivideBYZero

Lifer
May 18, 2001
24,117
2
0
Power Steering pumps can whine like that. Does it change pitch when you have the motor running, car stationary and turn the wheel?
 

Ornery

Lifer
Oct 9, 1999
20,022
17
81
Could be just the serpentine belt slipping. If it's as humid there, as it is here, that could account for it coming on suddenly. You could spray a belt dressing on to see if that effects the noise. If it does, you'll have to adjust the tensioner.
 

JohnCU

Banned
Dec 9, 2000
16,528
4
0
My uncle checked it out and said the whine was coming from the alternator. We're going to go buy one and put it on tomorrow, any idea how much they cost, ballpark?
 

Eli

Super Moderator | Elite Member
Oct 9, 1999
50,419
8
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Originally posted by: JohnCU
My uncle checked it out and said the whine was coming from the alternator. We're going to go buy one and put it on tomorrow, any idea how much they cost, ballpark?
25 - 150$. :p
 

ohtwell

Lifer
Jan 6, 2002
14,516
9
81
Originally posted by: DivideBYZero
Power Steering pumps can whine like that. Does it change pitch when you have the motor running, car stationary and turn the wheel?
I was going to suggest that too. That our a bad belt.

I didn't know a bad alternator made that kind of noise.

The price will vary depending on the make and model of your car. Others have stated ranges though.


: ) Amanda
 

ohtwell

Lifer
Jan 6, 2002
14,516
9
81
If you still own the 97 Chevy Lumina then you are looking at $100 -175 if you buy from Autozone or Advance Auto Parts.


: ) Amanda
 

Scootin159

Diamond Member
Apr 17, 2001
3,650
0
76
Originally posted by: ElFenix
i figured out the high pitch whine in my car at higher rpms is probably the balance shafts spinning at 2x rpm.

Balance shafts shouldn't make any noise, well at least none that you could ever hear.