Engine Knocking Noise Problems of Nissan Maxima

Letter from senator boozman on behalf of constituent re 2011 Nissan Maxima consumer complaint against Nissan corporate. The consumer stated the vehicle was making a horrible knocking noise. The consumer was advised the transmission was going out. The manufacturer was notified, but did not offer any assistance. The consumer requested to be reimbursed for the repairs and the rental.

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Description: Nissan: knocking noise coming from engine and oil not registering on the stick but oil is not leaking anywhere. Knocking occurs when car starts and sometime when driving.

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I purchased a 2014 Nissan Maxima in January 2015 experienced problems with the electrical system in March of 2015 where the console screen (radio, heat/ac controls, gas mileage, etc. ) constantly blacked out/vertical and horizontal lines appeared. The screen was completely replaced and the repair was fixed by a local Nissan dealer. After receiving an oil change in early July 2015 (first free oil change) I noticed that my vehicle had a ticking and knocking noise/sound that was rather loud coming from the engine. I took the car to a local Nissan dealership and the vehicle was diagnosed with an engine knock from #1 main bearing. At the dealership a service appointment was set-up and I was provided a service bulletin (technical bulletin) from Nissan. The bulletin reads as follows: classification: em12-014a reference ntb12-01a dated December 17, 2013 that for 2009-2014 Maxima’s have engine knocks from #1 main bearing (on this notice there is a note “do not replace the engine for this issue”). I did not realize the Maxima had engine issues. If I knew this at the time of purchase I would have selected another vehicle. I have made a formal complaint to Nissan requesting the repurchase of this vehicle with various manufacture defects (currently waiting on a response). Additionally, I have tried to receive an even trade for a safe vehicle due to the manufacturer defects from the dealership where I brought this car but have been unsuccessful at this point due to the depreciation of the vehicle/current manufacturer defects (unsafe engine). This is utterly ridiculous for a car that has less than 7,000 miles to have so many defects that was purchased 6 months ago. Any assistance is greatly appreciated.

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The contact owns a 2006 Nissan Maxima. The contact stated that while driving at various speeds, there was a loud knocking noise from the engine compartment. The vehicle was taken to the dealer where the technician diagnosed that the timing chain was defective and needed to be replaced. The manufacturer was made aware of the failure. The vehicle was not repaired. The failure mileage was 3,800 and the current mileage was 115,000.

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