I have an 03 S2k. 28k miles. Shifting seems normal but everytime I shift into any of the gears, i feel a weird clunk. It's more of a feel, not really hear. I feel like it could be smoother and I shouldn't have that feeling. Any idea what it is? Tranny fluid, diff fluid? The shifter itself?

 

Try regreasing the shifter.

 

Should I replace any parts in the shifter? Spring or pivot ball.

 

You mean shift into any gear from a dead stop? That would be normal. Thump is from the syncros bringing still spinning shafts down to dead stop in an instant.

If you press clutch, then wait about 2 seconds, to allow shafts to spin down to a stop on their own, thump doesn't happen.

The thump doesn't harm anything.

 

The best explanation I've heard is "Rowing a knife through marbles". That's the normal feel for a cold/low RPM S2000 gear change.

If your clutch is NOT aftermarket.
If your pedal freeplay is properly adjusted.
If your trans fluid is the specified grade.
If your trans fluid is in good condition.
If your shifter is greased properly.

That's as good or normal as YOUR trans will feel.

Idk what you're comparing it to. What car/shifter are you using as your measuring stick for "normal"?

Every car feels different.

 

When driving and shifting from 1-4 and sometimes 5 and 6. It's like a thump, more of a feel, can't really hear it. And also I drove a lancer and it seems like my s2000 takes more force to get into gear

 

I drove a lancer and seems like my s2000 needs more force to get into gear. 1-6. Reverse definitely takes more force. Might be my trans or diff fluid. The clutch fluid is filled, it's like a dark brown

 

Similar "problem" here. I hear and feel a "thump/clunk" particularly from a stand still, and I am trying / in the process of shifting into 1st.

Think of a parallel parking / red light stop scenario

(Depress the clutch pedal -> row the shifter towards 1st -> *mild CLUNK* - > still goes into 1st with no drama)

 

All gears? You have an ap1?

 

Clutch fluid is dirty and should be changed. You can gravity bleed the system but that requires getting under the car.

You can do this from the top with a "turkey baster" by extracting and discarding as much as you can. Put in clean fluid and agitate (I pump it in and out with the baster). Repeat until clean.

Don't touch the clutch pedal when doing either method or you'll introduce air into the line and have to bleed the system.

-- Chuck