1997 Dodge Ram 1500 2wd
For the past 2 weeks I’ve been experiencing a thumping sensation from left front. This only happens when the truck has been sitting overnight and in cold temperatures. The thump only occurs when going forward at low speed mainly idle speed. Everytime, the thump occurs halfway through the brake pedal travel. However, after traveling faster the sound disappears for remainder of the drive. It doesn’t pull under braking, nor are the brakes dragging. I replaced both calipers, rotors, bearings, and pads in November 2019. All suspension components were replaced last year. I have lubricated all caliper components and checked any loose items with no change. It sounds like the tap of a hammer. A buddy of mine said to turn the caliper piston 90 degrees and see if that helps. Any ideas are welcome.
Carquest Caliper #18-4300 & 18-4299
Akebono ProAct Ceramic Pads #ACT369
BrakeBest Rotor & Hub #76446RGS
MasterPro Inner Bearing #A5
MasterPro Outer Bearing #A3
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