Why does my car make a rattle noise when I start it?

Why does my car make a rattle noise when I start it?

Some of us have split of a second rattle noise on startup because the timing chain tensioner building pressure time. This noise should disappear after few seconds. The one that you need to check is the dribbling noise after bumps. It could be your passenger side and rear side engine mounts, or some screws loose behind the cowl/windshield.

Why does my Altima start with no oil?

First off the problem is not the heat shield and it’s not just the Altima. Second the problem is the cams/valves in the head. When the engine sits for 8 hour or less the oil coating drains off the cams/valves. What you are hearing on start up is the valves and cams with 0 oil on them. There is few things you can try first off I must talk about OIL.

What’s the problem with the Altima heat shield?

First off the problem is not the heat shield and it’s not just the Altima. Second the problem is the cams/valves in the head. When the engine sits for 8 hour or less the oil coating drains off the cams/valves. What you are hearing on start up is the valves and cams with 0 oil on them.

Why does my car make a weird noise while idling at a stop light?

If this is your problem, the engine vibrations will cause an awful noise as you’re sitting at a stop light or as your car is idling in the driveway warming up. It sounds like rocks being shaken on a cookie sheet. Heat shields can become damaged due to road debris, snow banks, automotive lifts, and just plain old age.

Why does my Nissan Altima make a rattling noise?

Needs new engine for 3.5k. The noise started out by sounding like an exhaust noise, so I checked all the exhaust pipe from the back all the way up to the intake manifold but could not find the noise in the exhaust system.

Some of us have split of a second rattle noise on startup because the timing chain tensioner building pressure time. This noise should disappear after few seconds. The one that you need to check is the dribbling noise after bumps. It could be your passenger side and rear side engine mounts, or some screws loose behind the cowl/windshield.

Why does my timing chain make a rattling noise?

This rattling noise should not be taken lightly as it warns of upcoming timing chain failure. The cause of the noise is faulty timing chain guide rails and timing chain tensioners that wear out well ahead of schedule. These components are there to keep the timing chain tight and properly positioned.

First off the problem is not the heat shield and it’s not just the Altima. Second the problem is the cams/valves in the head. When the engine sits for 8 hour or less the oil coating drains off the cams/valves. What you are hearing on start up is the valves and cams with 0 oil on them. There is few things you can try first off I must talk about OIL.