Three problems related to engine noise have been reported for the 2011 Hyundai Elantra. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Hyundai Elantra based on all problems reported for the 2011 Elantra.
Drove vehicle to dealer, boucher hyundia of waukesha after the check engine light would go on and off with codes p2096 and p0304. Codes are related to cylinder 3 and 4 misfires. Dealer found engine making a noise from lower end and recommends an engine replacement. Dealer disassembled the vehicle to document possible financial assistance from Hyundai motor America. After four weeks hma declined to provide assistance. The vehicle was reassembled and returned to the owner. The vehicle could not be driven off the dealer lot, it stalled immediately after starting. The eight year old vehicle with 126,000 miles is a unfixable and has lost market value.
My car has making noise for a while. Emailed Hyundai and was told it is not under warranty and no recall for engine. Several complaints ha e been made online for this car regarding the engine which needs to be replaced. I'm afraid to drive it's my only car and I can't afford to pay $5000 for a new engine. I was stuck in the middle of a busy intersection when the car stalled and sounded like it was going to grind the engine up.
The 2011 Hyundai Elantra 1. 8liter engine makes a grinding then whinig noise in the first few seconds of the first cold engine start of the day. On the day of sales delivery the vehicle made this noise for at least two minutes which prompted me to alert the salesman and lift the hood for closer inspection. The sales man replied "all the new engines make this sound, it will quiet down. " I have asked another owner of the same vehicle if they noticed it. They have the same exact problem upon cold start up. We both have video documentation of the issue which can be viewed on you tube by searching for 2011 Hyundai Elantra engine noise.