GoP-Demon

I did a semi strong launch. Car made it up to about 40kmh.then grinding in the rear. All the gears seem fine but if I go over 3kmh the rear starts grinding. How can I go over to see what's broken? I'll probably end up going to a shop. I guess I'll look for a stronger different also.

zeroptzero

You can jack up the rear and spin the wheels by hand in neutral and see if you feel or hear anything odd about the drivetrain. You can also dump the fluid and see if any metal parts come out of the diff.

What fluid were you running ? It doesn't sound good though.

GoP-Demon

amsoil 75w-90 changed last year. hmmmm they will only tow it witha flat bed.

GoP-Demon

so i lifted the back up. both wheels turn ok. i started the car and got it up to 20kmh and there was no noise with the wheels off the ground.

in first gear it was fine. then i went to second gear and it eventually made a noise. then third no noise. hmmm I'll check fluid.

GoP-Demon

https://www.youtube.com/watch?v=umsI...ature=youtu.be


I'm starting to think it's not diff also, but I'll check it out at a shop soon. There was nothing on the diff drain plug in terms of particles or metal.

Lifted up it can go up to a a few speeds. But normally it just grinds.

0:17 the sound after shifting to 2nd, and 0:28 after going into third.

windhund116

Do you have grinding whether the car is going straight ahead or turning one direction or the other?

GoP-Demon

Just straight. Can't really try to turn in any direction right now.

cosmomiller

That is the ONLY way the car should be towed. Be happy for that!

cleenyc99

if it's only making noise in 2nd. I would thing its more the trans then the diff

GoP-Demon

Naw. It did the noise in all gears. Couldn't really get up past 3 though