what happens if you put 10w30 oil in a car that needs 5w30?

Asked by Apr 17, 2013 at 01:00 AM about the 1999 Chevrolet Monte Carlo

Question type: Maintenance & Repair

My friend saw my oil light on so he put oil in my car for me but he bought 10w30 and my car needs 5w30.

9 Answers

102,805

Your oil is a little thicker when cold. No damage will happen.

6 of 6 people found this helpful.
102,805

Everything you ever wanted to know about oil and lots more --- http://www.bobistheoilguy.com/motor-oil-101/

8 of 8 people found this helpful.

It will mix.

3 of 3 people found this helpful.
8,015

it will be fine.. i've used 10w30 a lot.

1 of 1 people found this helpful.
215

The 5W and 10W defines how the oil will flow at 0 degrees. At operating temperature, there will be a completely insignificant difference between the two.

4 of 4 people found this helpful.
70

DO YOU RECOMMEND CONTINUE USING 10W30 OR RETURN TO USE 5W30 ON NEXT OIL CHANGE

7 of 7 people found this helpful.
8,015

it is just a can right? ..no big deal. just wait till next change.

No I put 3 qurts

8,015

i've used 10w-30 too ..no big deal. it tends to be better when u have put hi miles on the engine.

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