Unknown Fast Lube Fill - 2k miles - 09 Lexus ES350

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Thread about some particles that were found in the oil / filter housing can be found HERE ---> LINK

Customer's vehicle. Not mine.

The Lexus was purchased used with 116k miles on it. Car came to me to have all fluids flushed. I recommended fresh engine oil / filter just to be safe. Upon finding a rather alarming amount of particles in the filter housing (I've never seen that before) I recommended a UOA to check the condition of the oil / engine and the owner agreed to sponsor it. Here are the results.


P.S. I poured in some Quaker State Synthetic 5w30 I got on sale (thanks AZ or AAP, whichever it was) and a Purolator BOSS filter at the time of OC. I'll see the car again after the typical 5k interval the OLM is set too.


 
Looks like a cheap bulk oil, or maybe a store brand.
Nothing here to see.
 
Good metal wear rate, though 2k miles.
Probably an xW30 shearing viscosity down with fuel dilution.
 
There isn't any fuel in the sample. Smelled fine to me. They could have poured in 5w20 for all we know.
 
Originally Posted By: Artem
Idk man, that shot of Moly ain't cheap.


That's a pretty minimal treat of moly and is probably intended mainly as an anti-oxidant.
 
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