I have this grinding noise when I drive coming from the front (i think). At first I thought it was the brakes, it sounded like the dust shield grinding on the disk, but I took them all out, and now I noticed the noise goes away when I push the clutch pedal in. could the clutch be making this noise? It works perfectly, pedal is still exact same pressure/friction point and it doesnt slip at all. I have a 92 with a stock KADE.
check your throw out bearing.
If it sounds at all rattly or buzzy it could be an exhaust component or heat shield (does it make the sound revving from stand still? Is it at a specific rpm mostly?)
Yeah, it`s a bit rattly, and driving around today, I noticed it it only happens at 3500-3800 RPM, but it does it in every gear. (Even in neutral if i rev it when its stopped.)
ya that sounds like a Heat sheild, nothing to new
Checked under the car, nothing is loose, the noise isn`t coming from the exhaust.
if the noise goes away when you step on the clutch, i’d say it’s probably your throw-out bearing.
but throw out beraing shouldn’t make noise like that as it has no pressure on it while ur foot is off the clutch…
I have the exact same problem, when I start the car up get off the clutch it makes the noise but when clutch is engaged it goes away and driving it sounds like a whinning sound? … Mine - problem is the main shaft in the transmission
Actually, it isn’t related to the clutch, it’s directly related to the RPM, the fact that it went away when I steped n the clutch was only because the drop in RPM, it happens betwen 3400 and 3800RPM in every gear, in neutral to. I’ll stick it up on the lift when I can and have someone rev it at 3500 to see if I hear anything.
On the KA24DE’s I heard about and mine - the heat shield noises come in at around 3100-3200 rpm - those are the heat shields crap-welded on the stock exhaust right behind the cat (I popped both of them off - noise is gone). But those noises sound more like high pitched metal chainsaw rather than grinding.
If you want to check if it could be heat shield (I doubt it’s the grinding noise though):
- grab the wooden side of a long broom stick and pry against the top of the heatshield (car doesn’t have to be lifted)
- get someone to rev it in neutral to specific rpm - as they cross over that rpm point - you will hear the noise…
- push down a bit on the broom stick… if noise changes shape or goes away… it is likely the heat shield (check closest shield to the cat first - this one tends to go rattling first then the next)…
Get a long screwdriver, hold the handle up to your ear and poke the metal end around the engine bay. You can operate the throttle arm slowly by hand to pick up the revs to wherever the noise happens.
Check your alternator pulley and the alternator itself. They pick up weird vibrations somehow on KAs and can be a total whore with squealing belts (even though they’re tight and new). You can sometimes see the pulley actually wobble, and itt makes a weird metallic grinding and burping sound.
Could also be the PS system