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Oil change with Rotella T6 has silenced the marbles. It's spectacular. Still replacing the VVTi cams as soon as I am able to.

Is this VVTI cam all I need, or all the VVTi goodies? How hard to diy? TRQ Exhaust Variable Valve Timing Sprocket Compatible with 2007-2015 Lexus 2005-2008 Toyota https://a.co/d/0neyLKR

As I tell my 13-year-old, feelings must be filtered through the lens of facts before acted upon.

Whatever's on the clearance aisle at the Dollar tree.

7500-10k is not a long OCI on a non-turbo engine using a quality synthetic.

Is this a long slow death, and the will noise become increasingly worse when it's close to cratering the engine? Or am I on borrowed time as I write this?

It runs fine otherwise, so a rebuild would be an unecessary nuclear option. If this is just the natural sound of a high mileage Toyota V8 then I'll just roll with it.

Yep.

2012 Lexus LS460 AWD Chatter Clapping at Cold Start, but not before 2 minutes. What's the fix? 250k on engine. Runs like a champ. Since about 175k this car will start chattering after two minutes on a cold start, and not before 2 minutes. It will increase in sound level but then stop...

Gents, Bought a 2014 Q7 via Carvana 2 months ago, and has been delayed 5 times since purchase, with a delivery date now standing at 6/4. I'll believe it when I see it. They tell me they keep finding problems to fix. It's a german auto with 100k and 8 years, so, obviously, yes, probably very...

New (to me) 121k XC70 T6 racewagon (300HP I6 Turbo). The wagon runs well and shifts acceptably, though I would not describe her as a smooth operator in most scenarios. With that said, I do not feel imminent doom, compared to the few that have previously blown up while in the captain's chair. No...

Curious...will 600ml of Engine Flush remove the Ceratec coating or leave it behind?

....on the next OCI.

I acquired the car 2 years ago at 121k. No history on the car via Carfax or nationwide Lexus database available at time of purchase but it ran solid and was 10K under Blue book so I took a chance. I assume it was not changed on the regular by the previous owners and sludged up quite a bit. In...

No pics unfortunately, but no particle matter to see. I should have cut it open though. First engine flush treatment in her 10 years and 200k, so probably a ****e show in there.

Forgot to mention that I also replaced the oil filter canister housing....is the ADBV in that girl or further up the line?

1) only during cold startup - lasting for 2 minutes, and it's a sudden stop from rattle to smooth. As if the engine management kicks in at a certain temperature. The temp needle has only budged one degree or so when the rattle stopped. 2) Not during operating temperature. 3) good question. 4)...

Last month I posted positive results for relieving the cold start chatter - quite literally sounding like 'marbles in a can' - in my 2012 LS460 with 200k. Upon posting I had added LM hydraulic lifter additive with positive results, that only lasted for about 1000 miles, and then the marbles...

2012 LS460 at 201k She's idled high and has sounded a bit like a diesel at cold start for the last 30k miles or so. Enter LiquiMoly Engine Flush for the first time yesterday, ran for 15 minutes prior to drain. Filter was pitch black and weighed about 2lbs. Fill: 9.2qt Castrol Edge HM 0w20, no...

Lifters have a very distinct sound. I didn't think it could be anything else.