Engine Rattling And Whining Sounds Problems of Toyota Prius

Tl the contact owns a 2006 Toyota Prius. While driving, a whistling noise was heard coming from the engine. In addition, the check engine, abs reqd, air bag, and brake warning indicators illuminated. The vehicle was not taken to a dealer or an independent mechanic for diagnostic testing. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 232,000.

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There are 3 issues I am having with this Prius. The brakes are the first problem. As others have stated, I too have the same lurching forward when braking over bumby or rough roads. This has been ongoing over the last few years. Second, the suspension is creaking and crunching when making turns at low speeds under 20mph. This happens when the wheels are turned all the way right and all the way left. This crunching noise happens when backing out of the driveway, making u-turns, coming to a stop on an incline, and braking over speed bumps. I've had the dealer look at this for the last year when I come in for service and one tech says they can't figure it out, another tech says he hears it but can't find the root of the problem, the service mgr. Also went on a drive with me and reproduces the noise concern but the techs couldn't find it. Most were suggesting new front suspension components-struts, towers, links, etc. I replaced the two front struts and all of the extra components-the noise concern is still there. I am very upset about this. Third issue is the ice-motor. When stopped at a red light and the engine shuts off, the car lurches forward and makes a creaking sound. It's appears that something is not right. The engine seems like it is loose. The engine also makes rattling sound when cruising lightly at 15-25 mph with the accelerator pressed slightly. The sound is coming from the passenger side, under the dashboard-glove compartment area. This is a rattle sound coming from the engine. I've had this looked at as well and the dealer states they cannot duplicate it. I have recorded all sounds related to these concerns and am taking it back to the dealer this month.

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The contact owns a 2010 Toyota Prius. The contact stated that the vehicle was burning oil excessively and the service vehicle warning indicator was illuminated. There was also an abnormal rattling noise when idling. The vehicle was taken to labadie Toyota (located at 909 n euclid Ave bay city, mi 48706) where it was diagnosed that the piston rings needed to be replaced. The vehicle was not repaired. The manufacturer was notified and opened case number: 1707100976, but did not offer assistance. The failure mileage was 296,000.

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The contact owns a 2008 Toyota Prius. The contact stated that while driving 15 mph, he heard a rattling noise coming from the engine. The contact pulled the vehicle into a parking lot and noticed that there was to puddle of oil under the vehicle. The vehicle was towed to the dealer for inspection where they stated that there was a hole in the engine pan . The manufacturer was notified and stated that they had to review the case with the dealer. The failure mileage was 60,000. Updated 07/26/12.

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After car sits for several days engine will idle very roughly upon starting for almost one minute. Idle is so rough that I thought the engine mounts would break and creates a very very loud rattling sound. This has happened three times, two after sitting for several days and once after just sitting overnight.