One problem related to engine rattling and whining sounds has been reported for the 2005 Honda Pilot. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Honda Pilot based on all problems reported for the 2005 Pilot.
High engine whining sound. With only 78,00 mi, dealer told me I needed new engine mounts. Upon checking the internet I've found many other cases where this happens and it's all around 80,000. Sure sounds like a design flaw.