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Lejii876

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Discussion starter · #1 ·
So I just got a used 2015 Toyota Rav4 and I want to change the engine oil but I'm unsure of what grade oil to use, I'm from Jamaica and the dealer here uses 10w30, based on my readings I've come to realize that 10w30 is too heavy for that type of engine so I want to know what's a suitable grade oil, now I've seen oedosns using 0w20, 5w20 and 5w30. Also it's at 73,000+ Miles. Please advise me of the best grade to use given my country and temperature conditions, because the 10w30 makes the car feel sluggish and to me it's terrible on gas I assume the wrong grade contributes to that.
 
Most Toyota vehicles built to be sold in the North American market (manufactured in the USA, Canada or imported from Japan) have been certified to run well (fuel savings with engine wear protection) on full synthetic 0W-20. This was mainly driven by fuel economy and emissions requirements. Other countries recommend the use of slightly heavier oils (5w-20 or 5w-30 are popular). What's not completely clear is whether there is any manufacturing differences (cylinder honing and treatment, for instance) between engines that are sold in different markets. I kind of doubt it, but one can never be 100% sure....

You have an interesting situation as your vehicle is being operated in the Caribbean. From the "B" pillar build plate, you can probably determine where your vehicle was built, and if it was certified for US/Canadian sale. It might have been imported to the islands from South America or even Europe. Was it sold to you and being serviced by a Toyota authorized dealer? And if so, which Toyota authority?

My thinking (totally non-scientific, just seat of the pants....): 10w-30 is pretty old school. Try 5w-20. Others in hot climates seem to gravitate towards this grade. Change it every 5k miles or less to be sure.
 
Discussion starter · #9 ·
Most Toyota vehicles built to be sold in the North American market (manufactured in the USA, Canada or imported from Japan) have been certified to run well (fuel savings with engine wear protection) on full synthetic 0W-20. This was mainly driven by fuel economy and emissions requirements. Other countries recommend the use of slightly heavier oils (5w-20 or 5w-30 are popular). What's not completely clear is whether there is any manufacturing differences (cylinder honing and treatment, for instance) between engines that are sold in different markets. I kind of doubt it, but one can never be 100% sure....

You have an interesting situation as your vehicle is being operated in the Caribbean. From the "B" pillar build plate, you can probably determine where your vehicle was built, and if it was certified for US/Canadian sale. It might have been imported to the islands from South America or even Europe. Was it sold to you and being serviced by a Toyota authorized dealer? And if so, which Toyota authority?

My thinking (totally non-scientific, just seat of the pants....): 10w-30 is pretty old school. Try 5w-20. Others in hot climates seem to gravitate towards this grade. Change it every 5k miles or less to be sure.
It was bought from Toyota Jamaica and it was being maintained by them, they're the official dealer for toyota in Jamaica.

I was gravitating to 5w20 myself, I'm hoping to see better fuel consumption, the 10w30 makes the vehicle feelsbsluggish and it takes awhile to accelerate, as in it requires extra effort.
 
Discussion starter · #14 ·
Most Toyota vehicles built to be sold in the North American market (manufactured in the USA, Canada or imported from Japan) have been certified to run well (fuel savings with engine wear protection) on full synthetic 0W-20. This was mainly driven by fuel economy and emissions requirements. Other countries recommend the use of slightly heavier oils (5w-20 or 5w-30 are popular). What's not completely clear is whether there is any manufacturing differences (cylinder honing and treatment, for instance) between engines that are sold in different markets. I kind of doubt it, but one can never be 100% sure....

You have an interesting situation as your vehicle is being operated in the Caribbean. From the "B" pillar build plate, you can probably determine where your vehicle was built, and if it was certified for US/Canadian sale. It might have been imported to the islands from South America or even Europe. Was it sold to you and being serviced by a Toyota authorized dealer? And if so, which Toyota authority?

My thinking (totally non-scientific, just seat of the pants....): 10w-30 is pretty old school. Try 5w-20. Others in hot climates seem to gravitate towards this grade. Change it every 5k miles or less to be sure.
Synthetic or conventional 5w20? Because I think they used 10w30 conventional in it before them being the dealer.
 
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