Two problems related to engine knocking noise have been reported for the 1996 Ford Explorer. The most recently reported issues are listed below.
Consumer states he heard a strange noise coming from front part of vehicle, he took vehicle in to be inspected and when mechanic put the key in the ignition and turned it, there was a loud banging sound and the engine seized, according to the mechanic's report, something behind the torque converter locked up and ruined the transmission, the transmission, flywheel and starter motor had to be replaced.
Vehicle developed engine knocking noise which results from poor performance.