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Vibration/Rattle in Front End-2003 Nissan Altima

When my car is really cold and I start the engine, there is a vibration/rattle noise coming from under the hood or the car. I can’t tell exactly where and I’ve taken it to a Nissan dealership and another repair shop but both times I have gotten no diagnosis. By the time I arrived to the shops, the car has warmed up and the noise is gone. It’s driving me nuts! Any ideas?

You’re going to have to isolate the location as to whether or not the ‘rattle/vibration’ is coming from the engine or another area.

lifters ticking when cold try some high mileage oil