Transmission Grinds

Tiny
WELDON RAY DAILY
  • MEMBER
  • 2004 MAZDA RX8
  • 1.3L
  • RWD
  • MANUAL
  • 113,000 MILES
When I shift at high rpm's in second gear only it grinds.
i have changed the transmission oil (amsoil).
Saturday, June 25th, 2016 AT 9:13 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,070 POSTS
Hi Weldon

It sounds like you have a pilot bearing that is going out not allowing the input shaft to slow down enough to change gears causing the grinding you are talking about,, here is a guide that will show you what you are in for when replacing it. There is a slight possibility you have a transmission synchro that is worn out which is inside the transmission

Here are the guides

https://www.2carpros.com/articles/pilot-bearing-replacement

Let me know what you find

Best, Ken

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Monday, June 27th, 2016 AT 10:30 AM

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