One problem related to engine rattling and whining sounds has been reported for the 2007 Volkswagen Jetta. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2007 Volkswagen Jetta based on all problems reported for the 2007 Jetta.
The 2007 Jetta 2. 5 has a front air vent which has been designed poorly and makes a rattling sound. The fixed it several times and it still make sounds and several of my friends have the same issue with their Jetta.