Tech Exchange Bronze Contributor
Join Date: Feb 2009
Vehicle: 99' Durango SLT+ 5.2L/4wd
Modifications: Flaming Green Valve Stem Caps
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Brake Caliper/Rubbing issue
Thought I had my truck all fixed but started hearing a rubbing/humming noise this morning on the freeway that was very faint and intermitant at about 60-65mph, and metal on metal noise while making a slow hard right turn while listening for issues doing donuts in the parking lot. 99 Durango, 4wd, 5.2l, with 120k.
This weekend I replaced both front hub assemblys and solved my 35mph humming noise, installed 4 new shocks, new brake pads, new rubber boots for the caliper bolts in the caliper, and 2 new stock caliper bolts on the upper holes and 2 "oversized self tapping" caliper bolts on the lower wholes on both calipers as they were stripped.
-Something is rubbing on the inside passenger rim, as there is a small clean new groove going around the whole inside of the rim. I pulled the tire off but could not find any indication of markings on the caliper or anything that may be rubbing with the inside of the rim. It appears that the groove on the rim would match up perfectly with the highest point of the brake caliper but like I said I do not see any markings on the caliper or anything on the knuckle.
-Other issue is when I checked my caliper bolts to be sure they were still tight since I used the self tapping ones, it appears there is movement in the caliper from inside to outside and the bolts are not holding it in place even though the bolts are still tight. It is as if the caliper is sliding back and forth on the caliper bolts if that makes sense. With the rotor fully on and the installed in place it appears it is seated correctly.
Please throw any ideas out, spent the last 2 days working on this so its driving me a bit crazy now. I hate to have to pull the calipers off as I just used the self tapping bolts and really dont want to mess with them again until i have to, hence why I installed new pads at the same time. Im unsure if they are re-usable or not.
--also the old pads on the passenger side where I have had the stripped caliper bolt for quite some time were very grooved on the top 1 inch or of the pad if that could help in any way with a diagnosis. could it be a rotor issue?