Just finished changing the oil in my wife’s car. When cleaning up i’ve realized that i used 10 w 30 Motor oil her car is a 2005 toyota salara i should have used 5 w 30 motor oil as i always have in the past. luckily i have not driven car just started to circulate the oil to get to the proper lev…

Unless the temperature in your neighborhood gets below 0 Fahrenheit there is no problem.

Thanks rod i failed to mention that in addition to the 10 w 30 oil i also added 1 container that’s 32 fluid ounces of l u c a s heavy duty oil stabilizer. I always use lucas oil treatment because the car has 101,000 miles should this cause any problems ?? i sure hope it does it cuz i really do …

Still no problem. But I would never recommend an oil stabilizer based on mileage. In fact I would recommend against it unless there is a drop in oil pressure.

We have a 2003 Toyota 4Runner that calles for 5W-30 oil, although it claims that !0W-30 may be used with the provision that one puts in 5W-30 at the nezt oil change. A Toyota dealer did put in 10W-30 and nothing disaster happened. I took it somewhere else for the next oil change. This was in the s…

Thanks so much for your help rod with the sun hitting the side of the garage the temperature has to be at least 100 degrees in there!!! I’m not the handiest guy in the world but changing oil is always been something that i enjoy doing everyone i’ve ever spoke to as always thought that the lucas …

Oil stabilizers increase the viscosity of oil. In other words, a blend of Lucas and 5-30 will be something heavier, 8-35, or 7-42 for instance. The much lighter weights(near the consistency of water) are recommended to match the close tolerances of todays engines. At temperatures below freezing the …

I would stop using the Lucas altogether and change the oil again using 5/30 sometime before winter sets in - unless you’re in the south and don’t really get winter to speak of. Then I’d just change it the next time it is due. Ad Rod Knox noted, if the temps stay reasonably warm your car will likel…

I live south of the snow zone, often in Mexico. I read all the explanations on why my 2002 Sienna is recommended for 5W-30, and since it experiences 100+ a lot, and freezing temps seldom if ever, I have used 10W-30 for all 168,000 miles. Lab testing last year showed motor in great shape, no excess w…

l u c a s heavy duty oil stabilizer. I would not use it myself. It was a good product back in the '70s. but cars & oil have changed. Considering where you live it should not cause any problems other than maybe a very minor reduction in mileage, but it is best to stick with the recommendations in…

Help just put the wrong type of motor oil in my wife's car

Maintenance/Repairs

doubleclutch August 29, 2010, 11:57pm 9

101,000 miles on a toyota engine is nothin’. Engine oils (yes, even regular old conventional dino oils) do a great job on their own. I highly recommend against adding stuff to your oil. If it gets real cold where you live, I would advise putting 5W-30 in before January, but for now, I wouldn’t lose sleep over it.

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Help just put the wrong type of motor oil in my wife's car

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