Front end noise ??
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Junior User
Joined: Mar 2003
Posts: 55
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Front end noise ??
I have a noise that you can hear while slowing down prior to stopping at a light or crossroad. It starts at about 15mph and continues untill the wheels stop moving. It's a pulsing type noise that sounds almost like two pieces of dry rubber being rubbed together. It gets no louder, just the "pulse" tempo slows down relevant to the vehicle speed slowing. It cannot be felt in the brake pedal but it can be felt by my other foot placed on the floor of the truck.
Here's my list of things checked so far:
Front half shaft boots-(rubber) sprayed with silicone spray...noise still there.
Front hub & brgs- no apparent coarseness, no excessive run out(ck w/dial indicator)
Front brakes- put new rotors & pads on...noise still there.
Front calipers- installed new pad slides & caliper slides. noise still there.
My only thought is a dry cv joint. I did not check that yet.
Another suggestion was a hub may only make noise with the weight of the truck on them. They are an expensive "guess" at $200.00 ea.
Any more thoughts??
Thanks.
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Junior User
Joined: Mar 2003
Posts: 55
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The noise will occur when coasting to a stop but is more pronounced under light/easy braking. Braking has to be light on the touch, noise is not audible when braking harder from any higher speed. I used a quiet parking lot along side of a building to listen in an attempt to define which side was making the noise.(trick learned from my days at the Ford dealer) Neither side was any louder than the other. The noise was actually easier to hear with the windows closed.
Thanks
Thanks
Senior User
Joined: Mar 2005
Posts: 352
Likes: 1
From: uk
hi,good to hear that there is no noise reversing, our problems are different.
a machanic said to check your top nuts are tight on your front shocks as they have rubber pads.
good luck bokker.
a machanic said to check your top nuts are tight on your front shocks as they have rubber pads.
good luck bokker.
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Junior User
Joined: Mar 2003
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Fixed it !!!!!!!!
As a last resort I opened up the CV boots to see if the joints were dry, They were not. So I went to Autozone to get some new clamps to replace the ones I cut when checking the boots for grease, the store had only the boot kit in stock. They were cheap enough so I took them home. I noticed the boots were much softer and pliable than mine (originals) So I went the extra mile and replace both on the left side. NO MORE NOISE!!!! Hasn't come back yet, it's been two weeks now.
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Posting Guru
Joined: May 2006
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From: Iowa
That sounds exactly like my problem like you said but...why would it do it under breaking only....? thats what gets me.... the angle of the boot dosnt ever change under breaking... or maybe it does... how much work did it take to swithch the boots?
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Junior User
Joined: Mar 2003
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I don't quite understand myself why braking would cause the noise when brakes have nothing to do with the boots. I decided to look and see it the CV joints were dry figuring the torque on the joint while braking might be the cause if the joint was dry. One thing that tipped me to look at the boots was...the first silicone spray I used was a cheap brand (not much lubricant in it) I was advised to try a "heavier" spray lube on them. I tried some spray white grease and the noise disappeared for about a day until the grease washed off in the rain then the noise slowly returned. As far as changing the boots...It's not hard just time consuming. I had to seperate the upper ball joint, swing the knuckle away, unbolt the inner joint from the differential and remove the nut at the outer end by the hub and slide the shaft out so I could work at it on my bench. One side took about 90 minutes. I still have the other side to do yet. It will have to wait untill I return from my trip.
Posting Guru
Joined: May 2006
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From: Iowa
alright well im gunna try some silicon spray grease and see if that makes a diff... and if so then im going to try the boots... so thanks for the advise man...and just think i was about to put wheel bearings in the tough ford... lol thanks