Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Brake caliper guide pins not seated properly › Reply To: Brake caliper guide pins not seated properly May 25, 2021 at 6:36 am #990699 Richard KirshyParticipant Both pins should be fully seated in their holes. My suggestion: Remove the pins, clean both the pins and the pin guide holes completely. Apply a thin coating of brake grease to each pin. reinstall and air burp the pin boot.