10w30 oil instead of 0w20 on '09 Corolla LE - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 04-23-2011, 04:45 PM
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Question 10w30 oil instead of 0w20 on '09 Corolla LE

I went to a quick lube place last week and they put in 10w30 without checking with me first. In the engine bay it clearly says use 0w20. Scumbags. My question is, is this bad for my engine? What are the pro/cons that you guys have experienced?

This was at the Xpresslube/Texaco in Midtown Houston (W. Gray Street), by the way.

Thanks.
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#2 Old 04-23-2011, 05:20 PM
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omg. if i were you i would sue them.

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#3 Old 04-23-2011, 05:29 PM
uh..no, it's not a hybrid
 
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Reason #26 why you should do the work yourself.

You will be okay for this interval, don't waste the oil. You won't even suffer in fuel economy department either. This has happened to countless 09,10,11 Corollas all over the world and there have been no issues...in fact outside of North America the Corollas have all kinds of oil weight specifications.


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#4 Old 04-23-2011, 06:27 PM
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Leanburn is right you should be fine the weight difference isnt too dramatic just remember when getting your oil changed somewhere always specify the oil you want to use.

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#5 Old 04-23-2011, 06:30 PM
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You live in Texas, they did you a favor.
10W30 will not do anything bad to your engine.
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#6 Old 04-23-2011, 06:53 PM
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+1
If you are in Canada or anyplace cold then you may have cold start problem.


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#7 Old 04-23-2011, 07:58 PM
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I would have had them drain it and put the right weight in.

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#8 Old 04-24-2011, 02:18 AM
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Quote:
Originally Posted by LeanBurn View Post
Reason #26 why you should do the work yourself.

You will be okay for this interval, don't waste the oil. You won't even suffer in fuel economy department either. This has happened to countless 09,10,11 Corollas all over the world and there have been no issues...in fact outside of North America the Corollas have all kinds of oil weight specifications.
+1 The reason I always work on my own car, I know exactly what is going into it. My neighbor had new brakes installed on his 91 Lexus LS400 last week. I saw him working on it this morning & he was replacing the front struts. When I asked him what it was doing I found that the LF caliper was missing both caliper bolts & the RF caliper bolts were only finger tight. Another reason I do the work myself.

Quote:
Originally Posted by ChancreScolex View Post
I would have had them drain it and put the right weight in.
+1 They screwed up, make them replace the oil with the proper oil to prove a point. I'm always worried that I would pay for synthetic oil & they would just use the cheap dino oil.

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#9 Old 04-28-2011, 09:18 AM
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Thicker oil is better for your car. It's not going to hurt it. It will protect better. I live in hot climate (Miami) and drive pretty hard sometimes. I use 10w30 all the time because the oil is thinner in hot climate. I wouldn't use 0w20 if you paid me. You should switch to a heavier grade oil once your car hits 60000 miles anyway

Addition to above entry. I agree with supercharged. Do the work yourself and you have no one to blame for screwing up but yourself. Most shops have apes working on your car.

Last edited by PhatRoyale; 04-28-2011 at 09:39 AM.
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#10 Old 04-28-2011, 09:29 AM
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Quote:
Originally Posted by RedRollaS View Post
Thicker oil is better for your car. It's not going to hurt it. It will protect better. I live in hot climate (Miami) and drive pretty hard sometimes. I use 10w30 all the time because the oil is thinner in hot climate. I wouldn't use 0w20 if you paid me. You should switch to a heavier grade oil once your car hits 60000 miles anyway



"The thinner the oil is, the better it will flow, the less resistance to flow it will have. It will prime and move through the engine quicker. It will carry heat off faster."

I like to think the Toyota engineers knew what they were doing when they stamped 5w-20 on the oil filler cap. Or maybe they just picked an oil weight at random

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Last edited by ChancreScolex; 04-28-2011 at 09:35 AM.
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#11 Old 04-28-2011, 09:45 AM
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Setting the record straight.

Quote:
Originally Posted by ZO6_Vette View Post
You live in Texas, they did you a favor.
10W30 will not do anything bad to your engine.
Agreed. The difference is negligible at best.

Quote:
Originally Posted by cabur View Post
+1
If you are in Canada or anyplace cold then you may have cold start problem.
Incorrect.

I live in a colder part of Canada than you do and I've used 10W30 plenty of times without any cold starting problems. The condition of your car battery is the main factor in cold starting.

Quote:
Originally Posted by RedRollaS View Post
Thicker oil is better for your car. It's not going to hurt it. It will protect better. I live in hot climate (Miami) and drive pretty hard sometimes. I use 10w30 all the time because the oil is thinner in hot climate. I wouldn't use 0w20 if you paid me. You should switch to a heavier grade oil once your car hits 60000 miles anyway
Agreed.

A thicker grade of oil will resist burn off more in a hotter climate. Most high mileage formuations of oil are noticeably thicker at full operating temperature since seals tend to age and wear down with time.


Quote:
Originally Posted by ChancreScolex View Post



"The thinner the oil is, the better it will flow, the less resistance to flow it will have. It will prime and move through the engine quicker. It will carry heat off faster."

I like to think the Toyota engineers knew what they were doing when they stamped 5w-20 on the oil filler cap. Or maybe they just picked an oil weight at random
Nope. Thinner oil is used for better fuel economy. Thicker oil will protect metals from excess wear better at the expense of some fuel economy.
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#12 Old 04-28-2011, 07:55 PM
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Engines today are made with much closer tolerances than years ago. Oil is also much better than years ago. Manufacturers use 0w-20 because most engine wear occurs from a cold start up. Thinner oil gets to critical engine parts faster to prevent engine wear. You won't notice any difference in a DD using a 0w-20 vs 10w-30 after the car is warm but there will be more engine wear from cold start up & that wear adds up over the years.

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