DaftRyosuke last edited by DaftRyosuke
It's been a hot minute since I updated everyone on my 2000 SC300, so here's what's been happening.
In January, I decided to do an oil change and tune-up, and I noticed that the valve cover gasket was in dire need of replacement. I initially set that off as a "I'll get round to it later" job, but a few days later, I noticed a colossal loss in oil which amounted to the low oil light to be displayed in the dashboard. I had known that the car had oil leak issues thanks to deferred maintenance, but never this badly, so I figured maybe tampering with the VCG whilst changing the plugs led to the issue. I threw a new gasket in and called it a day...only to find it still leaking oil.
I booted up the Lexus forums and did some research to find that the VVTI gear o-rings had a common tendency to wear down with age (ask most rubber bits do), and it probably needed to be replaced. I cracked open the VVTI housing and wouldn't you know it, it was smack full of oil. $15 with s/h later, I had a new VVTI gear and o-ring.
Then I broke it.
The o-rings for these are so small and tough to deal with that it's easy to break them unless you do them ever so carefully. This setback was as annoying as you can imagine, only it provided a bit of an issue. Me being the lead inventory specialist at work (oh yeah, I got a promotion last summer, forgot to tell you that), means that this time of year is my busiest, with tax returns and added government stimulus checks meaning that people are ponying up big cash for a new used car. My free time suddenly diminished severely, I handed it over to my dad for a few weeks while we awaited a new replacement o-ring. In the meantime, I got the pleasure of driving dad's 2001 Dodge Ram 1500 once again.
My dad got the replacement o-ring and managed to fit it on the car without damaging it, but alas, oil was still leaking. At this point, he and I were out of ideas and options, so we decided to just give in and send it to my local Toyota/Lexus shop, who I've worked with before with great results. A few weeks, some tornadoes, and a game of phone tag later, I finally picked it up today. Turns out the cam and crank seals were the culprit, they also re-timed the VVTI gear and topped up the oil for me. I think the only leakage left might be the rear main seal as of now.
I can already tell just by driving home that the car feels a little bit healthier, the re-timed VVTI system has boosted the fuel economy a tad bit as well which is a bonus. Next up on the to-do list is some suspension bits and maybe some new wheels and tires before I hit the Tail of the Dragon with some friends in June.
Chariotoflove last edited by Chariotoflove
Glad you got it sorted. Such a pretty car in a great color.
HoustonRunner last edited by
CivicWagonEngineer last edited by
@daftryosuke Love a green SC. Is it manual too?
DaftRyosuke last edited by
@civicwagonengineer They stopped making manuals in 1997 unfortunately.
Brickman last edited by
The SC300 sure aged well.
jminer last edited by
@daftryosuke nice work on the fix!
That is also such a good looking car.
Dr. Zoidberg last edited by
@daftryosuke I have the same motor, blew out my cam gasket and VVTi seals/gasket(s) (not a mechanic, would have to dig up the invoice) a couple years ago. Valdez levels of oil under the car if it rained. Didn't even chance it, had them all replaced that week.
Found a later they are known to do so on the 2JZ-GE VVTi.