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Mike V.
Mike V., Subaru Technician
Category: Subaru
Satisfied Customers: 25329
Experience:  Certified Subaru Technician, factory trained by Subaru.
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Engine raddels when you first start in the morning or cold

Customer Question

engine raddels when you first start in the morning or cold start
Submitted: 10 months ago.
Category: Subaru
Expert:  Mike V. replied 10 months ago.

Hello and thank you for your question!
My name is ***** ***** I will be assisting you with your question today.

Expert:  Mike V. replied 10 months ago.

How many miles on the car and what did the dealer suggest?

Customer: replied 10 months ago.
35000 valve over lape noise
Expert:  Mike V. replied 10 months ago.


So let me guess, they are telling you this is normal?
Also, is it the 2.5 or H6 engine?

Customer: replied 10 months ago.
you are knot answering my question why dose it raddle
Expert:  Mike V. replied 10 months ago.

Well, normally it will rattle on first start up because it takes a few seconds for the oil to get to the top of the engine.

If you were to answer my question about the engine size, it is possible it's something else. The 6 cylinder engine has timing chains. These have tensioners that use oil pressure to keep them pumped up. If they leak, then the chain will rattle on start up after it sits all night.

Finally, these engines also have piston slap. This is due to not having piston skirts to keep them perfectly centered.

I suggest contacting Subaru at 1-800-Subaru3 if you are not satisfied with the dealers response.

Please let me know what more I can do to assist you today. Also, please remember to rate my answer, Just Answer does not compensate me for my time and resources. Follow up questions are included in the price of your question. If you are using the free trial, or have a subscription a rating is still required.
Thank you so much!