The external seal on the engine oil cooler can fail and create an oil leak.
Problems for specific Nissan Altima years:
Car problem reports
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Most reported 2008 Nissan Altima problems
The catalytic converter closest to the cylinder head can fail causing illumination of the Check Engine Light. Prompt repair of this problem is recommended because the catalyst material can be sucked into the engine and cause internal damage.
The engine mount on the right side can wear prematurely and cause excessive engine movement.
The AC system may blow warm air due to refrigerant loss caused by a leaking low pressure AC hose. These hoses commonly develop a leak at the hose crimp connection.
The front struts can wear prematurely and create a knocking noise when driving over bumps.
Crankshaft and camshaft position sensors can leak oil into the connector causing Check Engine Light illumination. The engine may also stall as a result. Leaking sensors should be replaced. Certain 2002 models were recalled for a separate camshaft and crankshaft sensor issue. For more information on the recall please click here»
The thermostat may become stuck closed, causing an overheating condition. Replacement of the thermostat will be required to correct this concern.
Screws inside the intake manifold can become loose causing internal engine damage if they fall out completely. Our technicians report that using a strong thread locker on the power valve butterfly screws can help prevent them from becoming loose.