One problem related to engine rattling and whining sounds has been reported for the 2008 Toyota RAV4. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Toyota RAV4 based on all problems reported for the 2008 RAV4.
Engine burns oil. No oil light warning comes on when there is very very little oil in the pan. Terrible rattle noise coming from engine. TSB 0094 for 2az-fe engine.