Teana J32 2008-2014  Engine Service Manual

The VQ25DE and VQ35DE engine repair manual for Nissan Teana J32 (2008-2014) provides detailed instructions for diagnosing and troubleshooting. Includes descriptions of engine design features, assembly and disassembly diagrams, as well as recommendations for replacing key components such as the timing belt, piston group, and cooling system. The manual also helps identify and eliminate common faults related to overheating, knocking, loss of power, and oil leaks, ensuring reliable operation of the car. Free Download

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The VQ25DE and VQ35DE engines installed on the Nissan Teana J32 (2008-2014) have the following common problems:

High oil consumption: This is a common problem with VQ-series engines. The cause may be worn oil scraper rings or valve seals. It is important to check the oil level regularly and change it in a timely manner.

Timing chain problems: Over time, the timing chain can stretch, which leads to unstable engine operation, noise, and loss of power. You should monitor for signs of chain stretching and replace it if necessary.

Engine overheating: Problems with the cooling system (antifreeze leaks, faulty radiator or water pump) can cause the engine to overheat, which can cause serious damage to the cylinder head. It is important to regularly check the condition of the cooling system.

Worn ignition coils: Failure of the ignition coils can lead to misfires and unstable engine operation. This can be indicated by vibrations and loss of power. Replacing faulty coils solves the problem.

Oil leaks from gaskets: Over time, the valve cover and oil pan gaskets can begin to leak oil, causing leaks. Look for oil stains under the car and replace the gaskets promptly.

Clogged throttle body: Dirt buildup on the throttle body can cause an unstable idle and poor throttle response. Regularly cleaning the throttle body will help prevent this problem.

Bad oxygen sensors: Incorrect operation of the lambda probe can lead to an incorrect fuel-air ratio, which reduces engine efficiency and increases fuel consumption.

Recall campaigns for Teana J32 engines 2008-2014?

There have not been any major global recall campaigns specifically targeting the engines (VQ25DE and VQ35DE) of the Nissan Teana J32 (2008-2014). However, there have been some common engine-related issues and service bulletins addressing specific problems, including:

Knock Sensor Issues: Faults with the knock sensor, leading to engine misfires, have been reported for both the VQ25DE and VQ35DE engines. These issues can cause error codes (like P0327, P0332) related to low or high input from the knock sensor

CVT Transmission Problems: While not directly engine-related, many users have reported issues with the Continuously Variable Transmission (CVT) paired with these engines, which can cause performance degradation

Misfires: Intermittent misfires (codes P0300-P0306) have been known to occur, often tied to ignition coil or spark plug problems (Zinref).

It's always a good idea to check with Nissan directly or use recall checker tools to see if any local campaigns apply to your vehicle.