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Is it these stupid clips????

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Old Jun 7, 2011 | 09:12 PM
  #1  
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Default Is it these stupid clips????

Ok, here's my latest irritation/ annoyance that is driving me buggy. Last sept, i got rid of the oem mega dust producing padlets and replaced with the CF highly acclaimed Carbotech 1521 bobcats (once piece pads) Didnt want to do the job myself, sooo had the local chevy dealer install the new ones and bam I'm all set. Well..... I have developed a clicking noise when I come to a stop and change directions (forward to rev and vice versa) I checked the torque on the axle nuts- nope not that theyre fine. Even put the car up and spun the wheels both directions in neutral with the brake applied and released cannot duplicate the clicking until we do some testing in the driveway and it comes right back. It looks to me that these stupid clips that keep the pad in place may be the culprit to my noise. it appears that they may be rubbing on the rotor. Although when I spun the tires by hand off the ground they spin with no noise except for a slight touching on the pad that is barely perceptable. Help me out boys!!
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Old Jun 7, 2011 | 10:39 PM
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It's a little hard to tell from your pics, but it looks like the clips are installed correctly, so I don't think would be involved in making a clicking noise.

Here's a picture of my calipers and you can see the clips installed on there, and yours look like they're installed in the same manner:




If the clips are installed properly, which it looks like yours probably are, they won't be contacting the rotor.

So.....sorry, I don't have any ideas on your clicking noise, but I don't think the clips would be making the noise.

Good luck!!!

Bob
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Old Jun 8, 2011 | 02:10 AM
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It sounds like you need to grease the outboard axle splines and the flats at the base of the splines.

The tell-tale symptom is a sharp creak only upon torque reversals: one creak when you take off, and not again until you engine brake or back up, then another when you accelerate again, and so on.

It just keeps getting worse until you apply the grease. I used Honda Moly-60 on mine and it's been quiet for 60K miles.
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Old Jun 8, 2011 | 06:59 AM
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Originally Posted by torquetube
It sounds like you need to grease the outboard axle splines and the flats at the base of the splines.

The tell-tale symptom is a sharp creak only upon torque reversals: one creak when you take off, and not again until you engine brake or back up, then another when you accelerate again, and so on.

It just keeps getting worse until you apply the grease. I used Honda Moly-60 on mine and it's been quiet for 60K miles.
Not sure where you are referring to. is there a grease fitting? Do you have a picuture as to what needs to be greased. Thanks for the help.

Last edited by chasboland; Jun 8, 2011 at 07:08 AM.
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Old Jun 8, 2011 | 05:09 PM
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Originally Posted by chasboland
Not sure where you are referring to. is there a grease fitting? Do you have a picuture as to what needs to be greased. Thanks for the help.
There is a splined shaft at the outboard end of each axle assembly. The axle nuts you tightened thread onto the end of the splined shaft.

To grease the splines, you must partially disconnect the rear upright from the suspension so you can pull the axle assembly out of the hub.

The important thing is to grease not only the shaft but also the flat at the base of the shaft that presses against the rear face of the hub. If you skip this step, the noise will come back.
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Old Jun 8, 2011 | 10:03 PM
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Originally Posted by torquetube
It sounds like you need to grease the outboard axle splines and the flats at the base of the splines.

The tell-tale symptom is a sharp creak only upon torque reversals: one creak when you take off, and not again until you engine brake or back up, then another when you accelerate again, and so on.

It just keeps getting worse until you apply the grease. I used Honda Moly-60 on mine and it's been quiet for 60K miles.
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Old Jul 8, 2011 | 12:09 PM
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Originally Posted by torquetube
It sounds like you need to grease the outboard axle splines and the flats at the base of the splines.

The tell-tale symptom is a sharp creak only upon torque reversals: one creak when you take off, and not again until you engine brake or back up, then another when you accelerate again, and so on.

It just keeps getting worse until you apply the grease. I used Honda Moly-60 on mine and it's been quiet for 60K miles.
You are correct, sir. Took to dealer today and the tech diagnosed exactly what you said and sprayed some lubricant in the spline and all is quiet again. Thanks for the help.
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Old Jul 9, 2011 | 02:51 PM
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Originally Posted by chasboland
You are correct, sir. Took to dealer today and the tech diagnosed exactly what you said and sprayed some lubricant in the spline and all is quiet again. Thanks for the help.
I have no problems with noise with my '05. I took the proactive approach several years ago by sprayed high tack motorcycle chain lube and wiped off excess and let the lube take set (designed to goes on thin to penetrate crevices then thicken when cured)before driving.

I don't know, maybe the lube works or I just don't have the problem.
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