Community Fixes
Common problems grouped from confirmed-fix threads on SupraForums — 572 issues across MKIII threads
Systems
All Issues572Engine162Electrical143Other60Cooling42Body / Interior39Suspension35Transmission28Turbo20Fuel System15Brakes15Exhaust13Sort by:Most DiscussedSystem
Cooling9 threads
cracked idle control valve hose
Idle Control Valve Hoses discontinuedHigh pressure hose from Pump to Rack?Just got my new Hose Techniques Silicone hoses- PICS!+ 6 more threads
Cooling9 threads
idling issues related to coolant temperature sensor
Coolant temperature sensor questionWheres to splice into water temp?supra questions+ 6 more threads
Cooling8 threads
radiator replacement needed
Any current deals on Mark III manual radiator?OUCH.... my poor supraNew Radiator for MK3+ 5 more threads
Cooling8 threads
coolant overflow reservoir relocation needed
Why is overflow bottle overflowing? (don't think BHG)overflowed, but y?Coolant issue+ 5 more threads
Cooling8 threads
coolant mixed with transmission fluid
h2o in Oil *Pics*Winter came early this year...im an idiot... atf in oil+ 5 more threads
Cooling8 threads
radiator drain plug failure
Where is the A/C "Drain Tube"????SST 09923-00010... anyone know metric size?where is the coolant drain plug?+ 5 more threads
Cooling7 threads
broken heater union during removal
Stuck Heater Union Outlet pipe - 7MGTE HeadQuestion about Heater Control ValveSo, what breaks on the heater valve?+ 4 more threads
Cooling7 threads
unknown connection point for lower accordion hose
Capping off bypass port on accordian hose for aftermaket BOV?accoidian hoses help!!!!!!!!!!!!!quick question about accordion hose+ 4 more threads
Cooling6 threads
coolant line connecting intake to IAC/throttle body
Question on hose and connectors - PLEASE Help...ISC coolant hose questionISC coolant hose popped.+ 3 more threads
Cooling6 threads
seized water pump fan removal
waterlockanother questionEMERGENCY! Water Outlet Stripped+ 3 more threads
Cooling5 threads
needs replacement radiator cap
Generic Koyo rad capJDM Motor Differences?rad cape cause overheating?+ 2 more threads
Cooling5 threads
coolant leak from freeze plug
Please help! Can't get frost plug out!Where is the front freeze plug locatedWater getting into oil pan+ 2 more threads
Cooling5 threads
poor idle when wiggling air flow connector
logical question about my e-fansweak heater, air flow7mgte airflow issues+ 2 more threads
Cooling4 threads
storage compartment lid will not stay closed
Yes, I am a dumb a55NO heat coming from ventsn00b question.+ 1 more thread
Cooling3 threads
coolant blockage in heater core return line
After 18 years of serviceNO HEAT 89 7mge.Whis line is the return line???
Cooling3 threads
small crack in exhaust jacket cylinder
Coolant on top of Radiator... helpHelp! Cracked Headrebuilt head, turbo question
Cooling3 threads
no refrigerant remaining
how much freon?A/C line removal- "discharge the coolant"no air conditioner
Cooling3 threads
interior water leak possibly blocked AC drain
Interior Water Leak - Help NeededHelp finding an electrical leakCheck your rocker panels for clogged drains...
Cooling3 threads
water bypass line routing confusion
water bypass routing ?egr/vsv checkGreddy PRofect-B install question.
Cooling2 threads
water sloshing in cooling system upon warm up
New Noise= WorriedTried burping system but..