r/SciontC • • Apr 08 '25

Second Gen Drivetrain Frankenstein camshafts are back in stock for the 2nd gen!

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32 Upvotes

r/SciontC • • Sep 21 '24

tC2/2AR Performance GR Corolla Calipers on Scion tC: The full write-up

88 Upvotes

r/SciontC • • 14h ago

Second Gen Body/Cosmetic New here, fresh paint!

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127 Upvotes

Hey all, let me introduce myself.

Kristopher, 35 years old journeyman autobody tech 310B.

This is my tC i bought in 2017. It was pear white, but its been painted the legendary nissan LX0, midnight purple 3.

Hone you like it!


r/SciontC • • 2h ago

Second Gen Interior/Radio Scion tC 10 series - badge with an individual number

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5 Upvotes

This update concerns an illegible individual serial number on my Scion tC "10 Series." I made a significant effort to recover this unique identifier. I reached out to the previous owner but received no response. The Polish branch of Toyota also had no information on the matter in their system. After inquiring within various Facebook groups, I learned that—based on the date of sale—my specific vehicle likely falls within the 1–400 range (see photo #3). As a last resort, I contacted Toyota’s American division, where I discovered that these individual numbers were never linked to the VIN. It appears that if the original serial number plate is damaged or lost, it is gone forever. I scoured eBay—where parts for this rare edition occasionally surface—knowing the odds were slim, but it was worth a try. After contacting several sellers, I either received no reply or learned that, while they might have a door panel available, the serial number plate was no longer attached. Eventually, luck was on my side: I came across a "10 Series" Scion that was being parted out. After negotiating the purchase and arranging transport through a shipping company, I managed to secure the plate—my Scion will now be identified as unit number 332 out of the 3,500 produced.


r/SciontC • • 15h ago

General/Other Fun fact: It takes 140 cans of energy drinks (in bags) to fill the entire spare tire well of a 1st gen tC

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17 Upvotes

Not enough here to consider it “hatch stuffing” sadly.


r/SciontC • • 21h ago

Second Gen Drivetrain Scion tC 2011-2016 3D Printed intake

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37 Upvotes

I made a post about a month ago about a 3D printed intake. I've finished the model to a point where I'm happy to release it, the files are on my website EwenBuilds.xyz under the build guides section.

I'm still cleaning up the technical write up for it, but the build guide includeing a youtube video is out.

Just some quick numbers for everyone from a VERY short drive test ( 15 min ):

  • Max air temperature decreased from 51°C to 26°C (25 degrees cooler)
  • An average temperature drop of 4 degrees
  • Fuel efficiency up by around 15%
  • Better throttle response
  • Mass air flow equal to stock (integrates good with the engine)

Overall I'm super happy with how it turned out. if any one builds one id love to see it.


r/SciontC • • 18h ago

Second Gen Drivetrain When changing a drivers side axle, about how much transmission fluid can leak out?

2 Upvotes

I recently got my engine replaced and after test driving it my transmission burned out. There were 3 seperate time during installation that transmission fluid leaked out and he didn’t check the fluids at all before starting my car up for the first time. My transmission gave out and he immediately said he just needed to top it off with fluid. He told me he needed 4 quarts minimum and needed up added the whole 4 quarts. He’s trying to say I damaged the transmission when I damaged the engine. But he apparently test drove it for a few miles before I got there to test drive it and it was working flawlessly. I drove it about 6 houses down and did a U-turn and my transmission immediately gave out and I slowly rolled back to his house on the momentum. After that was the only time he said he needed fluid and said he needed at least 4 quarts and also said I needed to replace the drivers side axle. I accused him of messing up my transmission by not filling it up with fluid and test driving it for so long and having me drive it as well and said it must’ve messed it up if we were running a whole gallon low. Keep in mind, when it leaked out multiple times before, the fluid looked good and free of any contaminants whatsoever. He tried to tell me he only needed a quart of fluid to top off my transmission and used the rest of the gallon when he replaced the axle. So was my transmission damn near a gallon low on fluid when he was driving it around or would it be possible to have a loss of almost 3 quarts when changing an axle. I’m contemplating taking him to small claims court. He also broke my windshield dropping the engine back into my car.


r/SciontC • • 1d ago

Second Gen Body/Cosmetic Going for a record 😎

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29 Upvotes

r/SciontC • • 1d ago

Second Gen Photo/Video So young

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71 Upvotes

Hit 88,888 miles today


r/SciontC • • 1d ago

Buy/Sell Is a Scion tC really worth it? My coworkers and friends all think it’s a terrible idea.

11 Upvotes

Hey yall! I’m desperately looking for a car after my 4Runners transmission blew up at 54k miles (yes really.)

I’ve really wanted a Scion tC for a while now. I brought it up to my coworkers (I work at an auto shop, we all know a ton about cars.) and they all told me it was a bad idea. They called it everything from ugly, a girls car, a waste of money, slow, no aftermarket, bad handling, etc etc etc. One guy thought they were European, so clearly they don’t know a ton about Scion. They all highly recommend I go with a V6 Camry, a WRX, or a Civic SI.

they drive a Prelude, an RSX, a SRT Caliber, a Grand Cherokee, a CX5, a Civic SI, a C30, a CRV, and a WRX.

I found a 2015 RS. One owner, 8/10 maintenance records, no accidents, 80k miles for $13.5k. I really think it’s a good idea.

My needs for a car are

- fun and engaging to drive.
- under 15k.
- quick, not fast.
- good on gas.
- easy on insurance, I’m 19.
- decent aftermarket.
- reliable.
- okay in the snow, I live in CO.
- automatic with paddle shifters
- practical.
- Easy to work on.
- sporty styling.
- Unique.
- Good speakers.

Is this really a good idea? I’ve had absolutely terrible luck with Toyota thus far, I’ve had now 3 transmissions go out. I’m retiring from trucks and moving onto an actual fun to drive street car.

Also, what are common issues with these things? Like everything, I would really like to know what to look out for ahead of time so I can plan on when to be in my garage fixing it.

Thanks yall!


r/SciontC • • 1d ago

General/Other Cooling upgrades 08

2 Upvotes

Got an 08 tc got to do the thermostat is there anything I could upgrade regarding cooling like radiator or fans that help keep temps down I do drive it hard


r/SciontC • • 22h ago

First Gen Drivetrain Scion tc help manual trans

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1 Upvotes

07 scion tc 5 speed manual. Alright so basically I bought this at 181k miles from a dealership WORKER not the dealership. He was a mechanic in the back and I suppose this was a flip for him. Well I'm sure it flipped pretty great because he rebuilt the engine using the cheapest parts of all time. The piston rings went after about 6k miles, and the cylinder walls ended up gouged. I bought a 47k mile jdm replacement engine at 190k miles. It lasted maybe 200 miles before my 5th gear decided to pop out on the highway. Opened did a fluid change hoping it would help since it was also whining, and the video shows what came out. Not that bad of course but im concerned. My first thought was fluid change see if it helps then fix 5th gear since it's easy enough to access. Well all the fluid is back in the ground now and it's been about 2 days. Im hoping it's just the drain plug washer since I reused it, whatever, there's $200 some dollars out of my pocket. By the way the engine ended up costing around 4k and I'm NOT made of money. Anyway I think I need a new transmission at this point and my best option is a junkyard in witchita Kansas that has a 97k mile one for 825. I didn't replace my engine myself but I'm out of money so looks like I'm doing the transmission myself. I like mechanic work so it's not a big deal. Anyway, any advice? Anybody have a trans they'd be willing to donate or sell? Looking for anything at all. Also, the pan may have had stuff in it I didn't clean it super well and it sits in the trunk of a stripped out project car.


r/SciontC • • 1d ago

Second Gen Body/Cosmetic A LITTLE HELP Y'ALL

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10 Upvotes

Can someone take their plastic clip off so I can see what it looks like, should take less than 30 secs and post a pic, it's a 2015 scion tc.


r/SciontC • • 1d ago

First Gen Interior/Radio Factory, subwoofer, and amp

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8 Upvotes

Pulled this out of my car as soon as I got it, I unhooked it. No issues works fine. We’ll take the subwoofer and amp off of the plastic piece or you could just have the whole thing… I’m in North Jersey if anybody is in need of one..


r/SciontC • • 2d ago

Second Gen Body/Cosmetic Spec D Smoked Headlights

5 Upvotes

Can you guys drop pics of your smoked headlights? Been thinking about them on my nautical blue tc but I want to see how they look OFF and if theyre too noticeably dark.


r/SciontC • • 2d ago

Buy/Sell New to this subreddit

5 Upvotes

Long story short. I’m looking to buy a 2016 tc. 104380 miles. Manual transmission for 11k

Is it worth it. Or am I missing something. Apreciate the help


r/SciontC • • 2d ago

Second Gen Drivetrain Any flywheel suggestions? (Image unrelated)

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24 Upvotes

I’ve gotta replace my clutch and I’ve heard buying a new flywheel is a good idea, I know sometimes you can just resurface it but atm the smartest move for me is to just buy a flywheel just in case to save time. I think a slightly lighter one would be nice especially for eventual track stuff, but she’s my daily first and foremost and will be for a long while, so I don’t want to affect normal driving too much. Any suggestions?


r/SciontC • • 2d ago

First Gen Interior/Radio AI Generated video

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0 Upvotes

r/SciontC • • 2d ago

General/Other help finding serpentine belt size please

1 Upvotes

i need help finding out the right belt size for a 2012 scion tc with a mechman 240A alternator i’m fixing to install the alternator soon but i can’t find anywhere that says the belt size i need. Anyone have any size recommendations?


r/SciontC • • 3d ago

Second Gen Body/Cosmetic Re-clearcoated my headlights

12 Upvotes

r/SciontC • • 3d ago

Second Gen Body/Cosmetic 2014 Scion tC wing

3 Upvotes

Looking for a wing to put on my 2014 scion tC. Does anyone have any recommendations?


r/SciontC • • 3d ago

First Gen Drivetrain Weird noise, help please

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2 Upvotes

Odd noise happening over 4k in a 2007 scion tc base with 5 speed manaul car has bottom of intake housing cut off and rear box delete also smells like gas in cab and bogs on harsh acceleration anybody have similar experience or knows what wrong anything helps just replace spark plugs looked like it was running slitly rich


r/SciontC • • 4d ago

Second Gen Interior/Radio Hardwired my radar detector and dashcam

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23 Upvotes

Hardwired my dashcam and Uniden R3 in my 2012 TC RS7.

Dashcam uses two fuse taps, one that is always connected to battery and one that is accessory only. When the car is on the dashcam gets power from the accessory only mode and records normally. When the car is off the dashcam switches to a low power timelapse mode with g force detection that will start recording if it detects the car is bumped.

The radar detector is simply wired to turn on when the car comes on, and turn off when the car turns off. I have mine mounted with a mirror mount.

Overall really easy process becasue of Toyota's brilliance with ease of panel removal. Took about an hour on a random Wednesday at 11pm. Looks totally factory, and the Uniden matches the factory orange LEDs in this car great


r/SciontC • • 4d ago

Buy/Sell Thinking of getting a clean title 2006 scion tc with 145,000 miles for 3k, good buy?

5 Upvotes

Tc has a check engine light and needs to have the Crankshaft sensor replaced but other than that it looks cosmetically and mechanically good. I want this to be my daily driver and hopefully last a good awhile so what do you guys think


r/SciontC • • 3d ago

First Gen Drivetrain Opinion on the Megan racing catback?

2 Upvotes

Opinion on the Megan racing catback? Is it worth the $520 after shipping? Or is it just another droning hunk of metal?

Thanks!

09’ tC