FAQ & DIY

Here are a few Frequently Asked (and answered) Questions related to the Lexus SC300/400 model. Simply click on the blue links to be taken to another thread with more details.

Section One - Forum Rules and General Navigation:

Click here to be taken to our forum rules including important details regarding our work safe environment, guidelines against personal attacks, group buy rules and details on what signature images are allowed (those pictures you see when members post at the bottom of their reply). Please take the time to read them as our forum rules are strictly enforced.

Please look through the FAQ list below before posting a question or request.


Section Two - Common Questions:

The list below contains some of the largest and longest-running threads in the SC300/400 forums.

FIRST: search term links expire so we can't link this but, the first thing is to search "COMMON PROBLEMS" if you are new and want to know what those are. The "I want to buy an SC, what is their common problems" threads have been beaten like a dead horse.

SC New member thread, introduce yourself!!!
https://www.clublexus.com/forums/sc-...self-here.html

Official Wheel and Tire fitment guide
https://www.clublexus.com/forums/sc-...300-sc400.html

The ultimate 1JZ resource
https://www.clublexus.com/forums/per...fo-thread.html

SC Aero Parts Fitment thread
https://www.clublexus.com/forums/sc-...ck-thread.html

DIY (Do it yourself) Merged mega thread
https://www.clublexus.com/forums/sc-...d-threads.html

Title your threads descriptively
https://www.clublexus.com/forums/sc-...lick-here.html

What it will REALLY cost you to buy an SC.
https://www.clublexus.com/forums/sc-...a-used-sc.html

Official badges/painted/no badges thread
https://www.clublexus.com/forums/sc-...ghlight=badges'

Ultimate SC/Soarer Picture thread
https://www.clublexus.com/forums/sc-...re-thread.html

1997 SC 300 manual only 120 made thread
https://www.clublexus.com/forums/sc-...-has-them.html

What is your SC goal?
https://www.clublexus.com/forums/sc-...r-sc-goal.html

Pay it forward - free parts to other members
https://www.clublexus.com/forums/sc-...it-thread.html



Section Three - DIY Links and Tutorials:

We have over ten years of detailed history on the Club Lexus community; most questions you may have as a new owner have already been asked and answered many times in the past. If you don't find what you are looking for in the list below, PLEASE try the search features of our forum before starting a new thread. Thanks!


Door trigger alarm issues
https://www.clublexus.com/forums/lex...de-doesnt.html

Power steering valve rebuild/block
https://www.clublexus.com/forums/per...s-one-out.html

Heater core control valve substitute/replacement
https://www.clublexus.com/forums/per...rol-valve.html

Popping door hinge
https://www.clublexus.com/forums/sc-...7-seconds.html

DIfference in Speedometer / Tach for SC 300/400
https://www.clublexus.com/forums/sc-...3-and-sc4.html


Retrofit door handle (interior)
https://www.clublexus.com/forums/sc-...r-handles.html

Door panel fix
https://www.clublexus.com/forums/sc-...el-repair.html

Convert corner lights into fogs
https://www.clublexus.com/forums/sc-...og-lights.html

Shifter Led conversion technique
https://www.clublexus.com/forums/sc-...e-shifter.html

Everything to know about the cluster and climate unit
https://www.clublexus.com/forums/sc-...-clusters.html

A/C compressor removal/installation
https://www.clublexus.com/forums/per...tallation.html

Seafoam 101
https://www.clublexus.com/forums/per...k-in-here.html

Engine, tranny mounts V/S center driveshaft bearing
https://www.clublexus.com/forums/per...r-bearing.html

TPS sensor changes
https://www.clublexus.com/forums/per...ps-sensor.html

idling issues
https://www.clublexus.com/forums/per...look-here.html

ECU Parts and ECU Troubleshooting
https://www.clublexus.com/forums/per...s-by-year.html

Interior and Exterior Lighting Upgrades

Different tail assemblies and badges

DIY The complete headlight HOW TO clean & projector refinishing

Another headlight refinish method

Restoring Cloudy Headlights

DIY: Converting cornering lights into fog lights

DIY: Clear corner marker lights

DIY clearing out '92 Tail lights

DIY - How to make "all red" tails

DIY: 97+ Tails Hyperblink Fix

DIY: Gated Shifter Wiring Diagrams
https://www.clublexus.com/forums/sho...d.php?t=345249

DIY: 97+ Tails Hyperblink Fix
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Clear corner marker lights
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: How to clear your headlights + projector refinishing
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Clearing out '92 Tail lights
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Tilt Steering Repair
https://www.clublexus.com/forums/sho...light=Tutorial

DIY:Relocate harness so your tires dosent chew it up.
https://www.clublexus.com/forums/sho...&highlight=diy

DIY: Coilover install
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Ball Joint Testing Procedures
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Brake Pad Replacement
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Replaceing Steering Rack Bushing
https://www.clublexus.com/forums/sho...eering+bushing

DIY: Replacing Lower Control Arms (Front)
https://www.clublexus.com/forums/sho...ghlight=Daizen

DIY: Pre 97 lip to fit a 97+ bumper
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Gold emblems to chrome
https://www.clublexus.com/forums/sho...highlight=gold

DIY: Painting your B-Pillars
https://www.clublexus.com/forums/sho...light=Tutorial

DIY: Alternator Rebuild
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Seafoaming your car
https://www.clublexus.com/forums/sho...ht=Fuel+Filter

DIY: Changing the distributor O-Ring
https://www.clublexus.com/forums/sho...ributor+O-ring

DIY: Changing spark plugs: SC300
https://www.clublexus.com/forums/sho...ng+Spark+Plugs

DIY: Broken Door Handle:
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Trunk Lift Supports
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Tighten your seat nets
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

DIY: Custom Dual Cupholder
https://www.clublexus.com/forums/sho...d.php?t=344942

DIY: Dash Removal
https://www.clublexus.com/forums/sho...t=Dash+Removal

DIY: Replace sc400 Tensioner
https://www.clublexus.com/forums/sho...ghlight=DIY%2A

R154 SWAP
https://www.clublexus.com/forums/per...r154-swap.html (W58 to R1540)
https://www.clublexus.com/forums/per...arer-r154.html (Shifter extension solution)
https://www.clublexus.com/forums/per...ap-w-pics.html (Speed sensor solution)
https://www.clublexus.com/forums/per...ternative.html (Different shifter possiblities. Great info!)
https://www.clublexus.com/forums/per...up-w-pics.html (More shifter extensions)
https://www.clublexus.com/forums/per...-my-sc400.html (Complete R154 behind 2jz swap w/ MKIII pedals)

V160 SWAP INFO FOR 1UZ
https://www.clublexus.com/forums/per...ap-thread.html (Complete V160 transmission and rear end swap on an SC4 w/ 1UZ!)
V160 SWAP IN SC300 WITH PICS!!
https://www.clublexus.com/forums/sc-...s-of-pics.html
LSD INSTALL/REAR END SWAP
https://www.clublexus.com/forums/per...0-pumpkin.html
https://www.clublexus.com/forums/per...-76-gears.html (All three of these threads cover auto TT MKIV LSD unit into the SC pumpkin!)
https://www.clublexus.com/forums/per...8-madness.html

2JZGTE SWAP IN 97 SC300 WITH CLEAR PICS
https://www.clublexus.com/forums/sc-...s-of-pics.html
https://www.clublexus.com/forums/per...0-project.html (2JZGTE in SC4! Page 2 has a great list for anyone interested in doing this swap!)
https://www.clublexus.com/forums/per...onversion.html (JDM 2JZGTE conversion in SC3! Lots of pictures of the I/C routing and installing!)
https://www.clublexus.com/forums/per...to-2jzgte.html (Aristo 2JZGTE swap in SC3! Page 1 has an awesome breakdown of what's needed!)

1JZGTE SWAP
https://www.clublexus.com/forums/per...r154-swap.html (1JZGTE and R154 swap)
https://www.clublexus.com/forums/per...parts-buy.html (1JZGTE Parts list for swap)

BOOSTING INFO FOR 1UZ
https://www.clublexus.com/forums/per...-projects.html
https://www.clublexus.com/forums/per...r-project.html (Eaton M90 S/C on 1uz)
https://www.clublexus.com/forums/per...oject-car.html (Incredible documentary of a custom Twin Turbo custom install on the 1UZ!)

MISC. INFO
https://www.clublexus.com/forums/per...tures-faq.html (12V fuel mod)
https://www.clublexus.com/forums/per...so-pretty.html (Power steering line fix)
https://www.clublexus.com/forums/per...-tach-fix.html (Temp and Tax fix for 1jz swap
https://www.clublexus.com/forums/per...with-pics.html (neutral safety switch bypass)
https://www.clublexus.com/forums/per...31460-bfi.html (Scott's BFI Intake mod on 1UZ!)

METHANOL/WATER INJECTION
https://www.clublexus.com/forums/per...ming-soon.html (Dual nozzle setup on suprercharged 1uz)
https://www.clublexus.com/forums/per...ll-w-pics.html (Dual nozzle install on 2jz)

DIY Tilt steering repair

Airbag Warning Light Reset

Replacing Burnt Bulbs in the A/C Unit

DIY How do I install the cabin A/C air filter in my SC300/SC400?

DIY - Hardwiring a radar detector

DIY: Dash Removal

DIY - Wood dash and cracked center register removal

DIY - How to Upgrade to a 3-spoke GS400 steering wheel

DIY Door handle repair

Window regulator differences between the SC3 and SC4.

Repairing Window Motor Regulator

The heater blows cold air!! (Fix your heater valve control switch)

2JZGE Throttle Body gasket
https://www.clublexus.com/forums/sho...d.php?t=298578

92-94 Foglight Conversion
https://www.clublexus.com/forums/sho...d.php?t=228675

97 tails hyperblink fix
https://www.clublexus.com/forums/sho...d.php?t=282805
https://www.clublexus.com/forums/sho...d.php?t=325684

AC Compressor DIY
https://www.clublexus.com/forums/sho...d.php?t=170854

AC Diagnostic
https://www.clublexus.com/forums/sho...d.php?t=294197
https://www.clublexus.com/forums/performance-and-maintenance/18295-a-c-system-diagnostics-need-codes.html

AC r12 to r134 Retrofit
https://www.clublexus.com/forums/sho...d.php?t=293549

Alternator
https://www.clublexus.com/forums/per...or-w-pics.html
https://www.clublexus.com/forums/sho...d.php?t=175385
https://www.clublexus.com/forums/sho...d.php?t=259190

Armrest Cushions/Pegs/Feet
https://www.clublexus.com/forums/sho...d.php?t=342226
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/15698-replacement-nubs-for-center-armrest.html

BBK - LS400
https://www.clublexus.com/forums/sho...d.php?t=120615
https://www.clublexus.com/forums/sho...d.php?t=338883

Brake hardware
https://www.clublexus.com/forums/sho...d.php?t=292698

Bulbs
https://www.clublexus.com/forums/sho...d.php?t=343345

Cabin Filter
https://www.clublexus.com/forums/sho...d.php?t=261774

Center Vent DIY
https://www.clublexus.com/forums/showthread.php?t=69083

CEL retrieve
https://www.clublexus.com/forums/performance-and-maintenance/22890-check-engine-light-code-retrival.html
http://www.troublecodes.net/Lexus/

Climate Control
https://www.clublexus.com/forums/sho...d.php?t=180548

Coilover DIY
https://www.clublexus.com/forums/sho...d.php?t=126977
https://www.clublexus.com/forums/sho...d.php?t=377754

Console Cluster Removal
http://lextech.org/forums/index.php?topic=8.0
https://www.clublexus.com/forums/performance-and-maintenance/52447-directions-to-remove-the-gauge-cluster.html

Daytime Running Lights
https://www.clublexus.com/forums/sho...d.php?t=155940
https://www.clublexus.com/forums/sho...d.php?t=174881

Door Handle Fix
https://www.clublexus.com/forums/sho...d.php?t=200819
https://www.clublexus.com/forums/sho...d.php?t=340778

Door Lock Actuator
https://www.clublexus.com/forums/sho...d.php?t=282308
https://www.clublexus.com/forums/sho...d.php?t=273943
https://www.clublexus.com/forums/sho...d.php?t=303264
https://www.clublexus.com/forums/sho...d.php?t=138606

Door Panel Removal
https://www.clublexus.com/forums/sho...d.php?t=109384
https://www.clublexus.com/forums/sho...d.php?t=327011

EGR - 2jzge removal/Clean
http://www.supraforums.com/forum/sho...threadid=18830
https://www.clublexus.com/forums/sho...d.php?t=337232
https://www.clublexus.com/forums/sho...d.php?t=155439
https://www.clublexus.com/forums/sho...d.php?t=211668
https://www.clublexus.com/forums/sho...d.php?t=118570
https://www.clublexus.com/forums/sho...d.php?t=131528

Electrical Ghosts
GS300 negative cable 8212330200
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/755-ghosts-in-my-electrical-system.html
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/15215-got-a-weird-electrical-problem.html
https://www.clublexus.com/forums/sho...d.php?t=289124
https://www.clublexus.com/forums/sho...d.php?t=261093
https://www.clublexus.com/forums/sho...d.php?t=246119
https://www.clublexus.com/forums/sho...d.php?t=239269

Fan Switch
https://www.clublexus.com/forums/sho...d.php?t=144931

Fuel 12v fix
https://www.clublexus.com/forums/sho...d.php?t=291189
https://www.clublexus.com/forums/per...-pump-ecu.html

Gated Shifter
https://www.clublexus.com/forums/sho...d.php?t=292396
https://www.clublexus.com/forums/sho...d.php?t=297903
https://www.clublexus.com/forums/sho...=167241&page=3
https://www.clublexus.com/forums/sho...d.php?t=345249


Gear Differntial Oil
https://www.clublexus.com/forums/sc-...l-leakage.html

GS300/400 Ball Joints
https://www.clublexus.com/forums/sho...d.php?t=155542

GS300 DIYs
https://www.clublexus.com/forums/sho...d.php?t=312253

GS300 EGR
https://www.clublexus.com/forums/sho...d.php?t=283263

GS300 Headlight Clearing
https://www.clublexus.com/forums/gs-1st-gen-1993-1997/84619-jmai22-s-cleared-headlight-lenses.html

Header
https://www.clublexus.com/forums/sho...d.php?t=297162

Headlight Refinishing
https://www.clublexus.com/forums/sho...d.php?t=183023

Heater Control Valve
https://www.clublexus.com/forums/sho...d.php?t=126960
Leak
https://www.clublexus.com/forums/sho...d.php?t=108682
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/49848-heater-control-valve.html

HID Plug N Play
https://www.clublexus.com/forums/sho...d.php?t=171477
https://www.clublexus.com/forums/sho...d.php?t=196199
Retrofit
https://www.clublexus.com/forums/sho...d.php?t=126882
Xenondepot
https://www.clublexus.com/forums/sho...d.php?t=287933
Solutions
http://hidcool.com/index.php?option=...d=18&Itemid=25

Ignition Key light
https://www.clublexus.com/forums/sho...d.php?t=124346
https://www.clublexus.com/forums/sho....php?p=3460706
https://www.clublexus.com/forums/lig...ing-guide.html

Interior Heat
https://www.clublexus.com/forums/performance-and-maintenance/49874-heat-from-the-undervent-and-shift-area.html

Interior Leaks
https://www.clublexus.com/forums/sc-...t-find-it.html

Interior Lighting - Hazard/ECT bulbs
https://www.clublexus.com/forums/sho...d.php?t=347663
https://www.clublexus.com/forums/sho....php?p=3460706
https://www.clublexus.com/forums/lig...ing-guide.html

LCA DIY
https://www.clublexus.com/forums/sho...d.php?t=340780
https://www.clublexus.com/forums/sho...d.php?t=208299

MAF Cleaning
https://www.clublexus.com/forums/sho...d.php?t=345147

Motor Mounts
https://www.clublexus.com/forums/sho...d.php?t=148946
https://www.clublexus.com/forums/sho...d.php?t=236245
Power Steering Fluid Change
https://www.clublexus.com/forums/sho...d.php?t=118649

Production Numbers
https://www.clublexus.com/forums/sho...d.php?t=312775

S-AFC2 Wiring
https://www.clublexus.com/forums/sho...d.php?t=387751

SC Foglight replacement
https://www.clublexus.com/forums/sho...d.php?t=270230

SC300/Supra ratios
https://www.clublexus.com/forums/sho...d.php?t=300067
Seat fix
https://www.clublexus.com/forums/sho...d.php?t=330169

Seats - Remove Unpowered Seats
https://www.clublexus.com/forums/sho...d.php?t=270077

Seats - Tighten Nets
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/71322-how-do-you-tighten-the-seat-nets.html

Serpentine Belt
https://www.clublexus.com/forums/sho...d.php?t=172567

Shifter Bushings - Manual Transmission
https://www.clublexus.com/forums/sho...d.php?t=145439

Spark Plugs
https://www.clublexus.com/forums/sho...d.php?t=103316

Speedo Recalibrator
https://www.clublexus.com/forums/sho...d.php?t=312511

Starter
https://www.clublexus.com/forums/sho...d.php?t=117257
Contacts
https://www.clublexus.com/forums/sho...d.php?t=327672

Steering Rack Bushings DIY
https://www.clublexus.com/forums/sho...d.php?t=208313
https://www.clublexus.com/forums/sho...d.php?t=264932

Steering, Power Pump
https://www.clublexus.com/forums/sho...d.php?t=319113
https://www.clublexus.com/forums/sho...d.php?t=118649
https://www.clublexus.com/forums/sho...d.php?t=316814
https://www.clublexus.com/forums/sho...=263642&page=3

Steering Wheel removal
https://www.clublexus.com/forums/sho...d.php?t=345178

Stereo
https://www.clublexus.com/forums/sho...d.php?t=330110
Aux Inputs
https://www.clublexus.com/forums/sho...d.php?t=269156

Subwoofer
https://www.clublexus.com/forums/lexus-audio-video-security-and-electronics/77751-jl-audio-10ib4-sub-install-in-93-sc300.html

Sunshade
https://www.clublexus.com/forums/sc-1st-gen-1992-2000/84464-rear-visor-installed-pics-inside.html

Supra Subframe Mounts
52206-14010
52205-14020

Suprastick DIY
https://www.clublexus.com/forums/per...nto-sc400.html

Suspension - Setup, damping...
https://www.clublexus.com/forums/sho...d.php?t=346212

Suspension - Bump Steer
https://www.clublexus.com/forums/sho...d.php?t=318918

Tails - Red:
https://www.clublexus.com/forums/sho...d.php?t=230466

Tails - Clear
https://www.clublexus.com/forums/sho...d.php?t=229355

Tails - Clear w/ Frost Vinyl
https://www.clublexus.com/forums/sho...d.php?t=218900

Tein CS Reviews
https://www.clublexus.com/forums/sho...d.php?t=221905
https://www.clublexus.com/forums/sho...d.php?t=113963

Tilt Steering Repair
https://www.clublexus.com/forums/showthread.php?t=49783

Tire Pressure Calculation
https://www.clublexus.com/forums/sho...d.php?t=155020

TPS Tweak
https://www.clublexus.com/forums/sho...d.php?t=303991
https://www.clublexus.com/forums/sho...d.php?t=317900

Transmission Fluid - Manual
https://www.clublexus.com/forums/sho...d.php?t=358892

Transmission mk3 R154 into Supra/SC
https://www.clublexus.com/forums/sho...d.php?t=183050
https://www.clublexus.com/forums/sho...d.php?t=309416
https://www.clublexus.com/forums/sho...d.php?t=338438
https://www.clublexus.com/forums/sho...d.php?t=383897

Transmission Mount DIY
https://www.clublexus.com/forums/sho...d.php?t=196089

Trunk Lock pop without key/Armrest Pegs
https://www.clublexus.com/forums/showthread.php?t=15698

Wheel Repair
https://www.clublexus.com/forums/sho...d.php?t=292361
https://www.clublexus.com/forums/sho...d.php?t=141170
https://www.clublexus.com/forums/sho...d.php?t=190330

Window Regulator Fix
https://www.clublexus.com/forums/sho...d.php?t=341373
https://www.clublexus.com/forums/showthread.php?t=95720

Wire Harness Relocate
https://www.clublexus.com/forums/sho...d.php?t=321974

how to merge 2jz-GE (sc300) with JDM 2jzgte ARisto wiring harness; XLS spreadsheet appended as well.

https://www.clublexus.com/forums/per...gured-out.html

2JZGTE Wiring Harness Made Easy https://www.clublexus.com/forums/sho...d.php?t=727672

Fog Light Mod
https://www.clublexus.com/forums/sc-...light-mod.html

Another tire well harness relocation DIY. This one doesn't involve cutting the harness
www.clublexus.com/forums/sc-400-300/488672-diy-tire-well-harness-relocation.html

Push Button Start DIY
https://www.clublexus.com/forums/sc-...-ignition.html

Wiring up an aux input to the stock stereo

https://www.clublexus.com/forums/sc-...ml#post5851680

JZ swap Consultation thread
https://www.clublexus.com/forums/per...ml#post6076071

SC300 W58 Clutch Writeup
https://www.clublexus.com/forums/per...56k-no-no.html

HOW-TO: SC300/SC400 Install Aftermarket Head Unit, OEM Speakers and Sub Working! (super thread step-by-step w/pics)

HOW TO: SC300/SC400 Double-DIN Stereo Install + Metra Mod for Double-DIN Head Units (super thread step-by-step w/pics)

Raine's Garage Guides: Spring Install How-To (step-by-step w/pics)

Raine's Garage Guides: Wheel Studs / Spacers How-To (step-by-step w/pics)

How to remove that annoying open sunroof reminder
https://www.clublexus.com/forums/sc-...-reminder.html

SC300 Power Steering Hose Replacement
https://www.clublexus.com/forums/per...ring-hose.html



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Section Four - Discovering the rest of Club Lexus

Now that you've explored the SC300/400 forum, we want to make sure you knew about the rest of Club Lexus and took advantage of all it has to offer. Click the bolded and underlined text to visit the mentioned sub-forum.

We've created a new classified advertisement forum specific for the SC and a gallery to host your SC images, free of charge!

We have a dedicated Automotive Care & Detailing forum that is for discussions on washing, waxing, polishing, detailing, cleaning and maintaining the the beauty of your new Lexus. This forum is moderated by two professional detailers.

Our Vendor Marketplace is the place to find group buys and great deals from ClubLexus' supporting vendors.

The Wheels & Tires Forum is where you can ask all sorts of questions about aftermarket rim and tire combos.

If you want to shoot the breeze about SOB (some other brand) of vehicle, try Car Chat or ask about something else in life try the ClubHouse.

We have many local meets for Lexus enthusiasts, check out the forum for your area.

and this is just a start... Please make sure to take some time to poke around and discover the other areas of the forum that can enhance your Lexus ownership experience. Welcome to our community!

If you have suggestions to add to the list, please pm a moderator for this forum. This list is intended to be a living document so please nominate posts you think will be useful to new and existing members alike.

Thank you for your enthusiasm and participation on Club Lexus!