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post #31 of 33 (permalink) Old 08-21-2019, 10:06 AM
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Re: FJ Engine oil?

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FJtest previously said: View Post
I cant speak for any Toyota dealers, but in the majority of dealerships Iíve observed, oil changes are frequently handled by the most junior, least-experienced guy on the totem pole.

Your request for a specific oil viscosity may not have been effectively communicated to the tech. Or, the tech may have simply not even looked at the Service Order, having been told the vehicle was in for an oil change. Maybe the last oil change he did was on a late model FJ that specified 0W-20, and the tech blindly assumed that all FJs used the same viscosity.

If I ever need take a vehicle into any shop for any kind of service, and want something specifically done in a particular way, I make sure that the special instructions are clearThy and boldly written on the face of the WO in black felt pen, and make sure that the Service Writer agrees to be personally responsible to communicate the instructions to the tech, and get acknowledgment from the tech that he understands the instructions.

(This is why I perform 99.6% of the service work on my vehicles myself.)
Thank you. That makes sense what you say about the tech.
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post #32 of 33 (permalink) Old 09-03-2019, 11:00 PM
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Re: FJ Engine oil?

Was just reading this thread and appreciated the insight. My 2014 is just out of warranty, so I'm planning to change viscosity to either M1 5w-30 (by the case at Costco) or Amsoil 0W-30 (w online membership). I run Amsoil in the FJ diffs. I live in Eastern WA where winter temps get to below freezing and summers are 90's. FJ is a keeper, so $ is not the factor, but the Costco oil is half the price. I do my oil changes at 7500 miles. Do you see a definite way I should lean on the oil choice?

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post #33 of 33 (permalink) Old 09-03-2019, 11:55 PM
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Re: FJ Engine oil?

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Desmopilot previously said: View Post
Was just reading this thread and appreciated the insight. My 2014 is just out of warranty, so I'm planning to change viscosity to either M1 5w-30 (by the case at Costco) or Amsoil 0W-30 (w online membership). I run Amsoil in the FJ diffs. I live in Eastern WA where winter temps get to below freezing and summers are 90's. FJ is a keeper, so $ is not the factor, but the Costco oil is half the price. I do my oil changes at 7500 miles. Do you see a definite way I should lean on the oil choice?
M1 10W-30 from Costco, on sale periodically for ~$29/case.

I've also got a '14, have been running oil analyses regularly, including TBN. In all cases, regardless of driving conditions, the 10W-30 M1 still had lots of life left at 6500 miles, and Blackstone suggested extending the OCI to 8K miles.

I've run M1 10W-30 in my '00 4Runner 4WD since new, it's now got just under 250K miles and runs flawlessly, zero oil burned between changes and nearly the same fuel economy numbers as it had when fully broken in at 10K miles.

I'm in So Cal, so "winters" are pretty mild, but both the FJ and the 4R have been in sub-freezing conditions and always started effortlessly.
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Last edited by FJtest; 09-04-2019 at 08:21 AM.
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