owners manual says different weight could damage

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I just bought my second Nissan Versa and the manual says use 5-30. It says that using different oil weight than that could damage my motor. I was looking at 5-20 or 0-30 for mabey economy but I don't want to damage my motor. Those with opinions please provide one. thanks
 
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For the 4 banger Versa i'd stay in 5w30/0w30 grade. Goto the Mobil/Valvoline/Pennzoil website and do a search by vehicle and you will see what you can run in the car. If its still in warranty stay in 5w30.
 
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While it wouldn't hurt your motor, the 5w-30 is perfect for the climate you are in living in TN. You would notice very little if any fuel savings if you switched. Stick with the manual.
 
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If you believe Mobil's avertising, you can use their 0-30 becasue they say it's "approved" for 5-30 and 10-30 applications.
 
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I believe they are probably concerned with someone using too heavy of a viscosity. I go with what the guys above say; 0w-30 or 5w-30. Since you are under warranty (is it new?) and may one day be asked to provide a sales receipt, you probably want to stay w/5w-30; just in case.
 
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 Originally Posted By: tndiesel
I just bought my second Nissan Versa and the manual says use 5-30. It says that using different oil weight than that could damage my motor. I was looking at 5-20 or 0-30 for mabey economy but I don't want to damage my motor. Those with opinions please provide one. thanks
Just use a 30 weight. Any multivisc 30 weight. Don't worry about 5w or 0w. If you're doing mostly short trip events, then you may choose a 20 weight. You're probably not at any sensible visc when you turn off the key..so the thinner the better. If you're doing sustained highway driving, then I'd stay with a 30 grade. Headwinds will alter your economy more ..tire pressure ..etc.
 
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I agree with all of the above posters. Running thicker oil would not kill your motor but MPG. Running thinner oil can increase wear while driving fast on highway.
 
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 Originally Posted By: tndiesel
I just bought my second Nissan Versa and the manual says use 5-30. It says that using different oil weight than that could damage my motor. I was looking at 5-20 or 0-30 for mabey economy but I don't want to damage my motor. Those with opinions please provide one. thanks
I started this same thread before because my Chevy cavalier manual also says that using other than 5-30 can damage the engine. It's pure baloney.
 
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