Hello! I have a 1997 Toyota Celica GT Convertible manual (transmission) with 164,000 miles (5sfe engine). I am hearing a whining noise when I accelerate on the highway traveling around 70mph. It becomes louder when I apply more to the pedal. When I back off the gas (pedal) the noise goes away completely. I replaced the clutch, pressure plate, flywheel, and throw-out bearing last spring, after which it was running perfectly. Based on the research I have done, was I supposed to replace a pilot bearing? I have looked through my repair manual and see no diagram of a pilot bearing. Does my vehicle have a pilot bearing? What am I missing? Could the noise be coming from something else? Thank you!
I don't know if that's what's making the noise, but yes you should have replaced the pilot bearing while in there. It can be found in end of the crankshaft.
https://www.quora.com/What-is-the-difference-between-a-clutch-release-bearing-and-a-pilot-bearing
