Grinding noise while turning
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Junior User
Joined: Jun 2006
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Grinding noise while turning
Hey all,
I have a 99 f150 2wd automatic. It has 287K miles on it and recently has developed a problem.
While turning to the left there is a noticeable grinding noise. I believe it is the front end, but sometimes I think it might be coming from the rear. The grinding noise usually occurs when I am accelerating from a complete stop and turning to the left. Occasionally it occurs under the same circumstance while turning to the right, but not near as frequent.
Any help will be greatly appreciated as I don't have any idea where to start working on this problem.
TIA
I have a 99 f150 2wd automatic. It has 287K miles on it and recently has developed a problem.
While turning to the left there is a noticeable grinding noise. I believe it is the front end, but sometimes I think it might be coming from the rear. The grinding noise usually occurs when I am accelerating from a complete stop and turning to the left. Occasionally it occurs under the same circumstance while turning to the right, but not near as frequent.
Any help will be greatly appreciated as I don't have any idea where to start working on this problem.
TIA
Junior User
Joined: Oct 2011
Posts: 62
Likes: 0
Hey all,
I have a 99 f150 2wd automatic. It has 287K miles on it and recently has developed a problem.
While turning to the left there is a noticeable grinding noise. I believe it is the front end, but sometimes I think it might be coming from the rear. The grinding noise usually occurs when I am accelerating from a complete stop and turning to the left. Occasionally it occurs under the same circumstance while turning to the right, but not near as frequent.
Any help will be greatly appreciated as I don't have any idea where to start working on this problem.
TIA
I have a 99 f150 2wd automatic. It has 287K miles on it and recently has developed a problem.
While turning to the left there is a noticeable grinding noise. I believe it is the front end, but sometimes I think it might be coming from the rear. The grinding noise usually occurs when I am accelerating from a complete stop and turning to the left. Occasionally it occurs under the same circumstance while turning to the right, but not near as frequent.
Any help will be greatly appreciated as I don't have any idea where to start working on this problem.
TIA
If so, my guess is a wheel bearing. Jack up the front end and spin the wheels with your hands.. If you still hear the noise/there is more friction than normal it is most likely your bearing.
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Junior User
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Thanks for the reply.
The grinding noise ends after completing the turn and does not get louder. Later on today, I'll jack the truck up and see if there is friction while turning the wheels.
If it is not the bearings is there any chance it is an issue with ball joints?
TIA
The grinding noise ends after completing the turn and does not get louder. Later on today, I'll jack the truck up and see if there is friction while turning the wheels.
If it is not the bearings is there any chance it is an issue with ball joints?
TIA
Thread Starter
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Junior User
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Went ahead and bought inner and outer bearings for both front wheels. Planning on changing them out tomorrow morning. With the mileage on the truck it probably needs to be done anyways.
Thanks for the input.
Thanks for the input.
Hotshot
Joined: Jul 2005
Posts: 11,931
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If it only happens when turning, check the rear axle and see if it has a limit slip clutch (should say LS on the tag or marked on the door jam.) If so, im guessing the clutch is grabbing when you turn. Two rear wheels turning at different speed... will not make the noise when going straight line. YOu need to add a bottle of friction modifier to the rear axle. You can get at Auto Zone 7 oz, for about $10. If you have original lube, it might be time to change that, and add the modifier with it.
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Junior User
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If it only happens when turning, check the rear axle and see if it has a limit slip clutch (should say LS on the tag or marked on the door jam.) If so, im guessing the clutch is grabbing when you turn. Two rear wheels turning at different speed... will not make the noise when going straight line. YOu need to add a bottle of friction modifier to the rear axle. You can get at Auto Zone 7 oz, for about $10. If you have original lube, it might be time to change that, and add the modifier with it.
Thanks.
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Update to the problem:
It was the rear end causing the grinding noise. I replaced the fluid with Synthetic 75-140 and added friction modifier. The grinding noise / sensation is gone and I have not had any other problems with the truck.
Thanks for all of the input y'all offered.
It was the rear end causing the grinding noise. I replaced the fluid with Synthetic 75-140 and added friction modifier. The grinding noise / sensation is gone and I have not had any other problems with the truck.
Thanks for all of the input y'all offered.
New User
Joined: Sep 2011
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Can anyone tell me if this could be an issue on 04 4wd Expedition. I'm gettine this noise when on the road anytime the steeing is turning left. I replaced both front hubs and that did rid me of some other noises, I just still have this little issue.
The ABS is also on and that code is reading C1165 Right rear speed sensor input malfuction, not sure that has anything to do with this but when it comes to wheel speed anything possible.
Could it be diffrential fluid and do I start in front or rear.
The ABS is also on and that code is reading C1165 Right rear speed sensor input malfuction, not sure that has anything to do with this but when it comes to wheel speed anything possible.
Could it be diffrential fluid and do I start in front or rear.
Fleet Mechanic
Joined: Jul 2010
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From: Winnipeg
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