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RX450h vs RX350 Oil & Filter Changes

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Old Jun 26, 2025 | 02:34 PM
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2015RX450h
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Default RX450h vs RX350 Oil & Filter Changes

We have a local mechanic who did our oil & filter changes on our 2008 RX350. Is there any reasons or concerns having him do the oil changes on our 2015 RX450h? Is it critical to use 0-20 W oil, or is 5-20 W ok? This will be our first oil change since our new to us purchase on the RX450h.

Thanks
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Old Jun 26, 2025 | 07:25 PM
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Originally Posted by 2015RX450h
We have a local mechanic who did our oil & filter changes on our 2008 RX350. Is there any reasons or concerns having him do the oil changes on our 2015 RX450h? Is it critical to use 0-20 W oil, or is 5-20 W ok? This will be our first oil change since our new to us purchase on the RX450h.

Thanks
There is an ongoing [really never ending] discussion in the 3rd gen main forum.

Please read and try to follow what the warranty and service booklet. [thin booklet]. Manufacturer has to publish specifications and they have published them and the mechanic should follow them too.

Will 5-20 damage the engine, very likely not.

Other than the weight, please make sure it is quality product from a well known brand.

Salim
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