What causes gears to grind when shifting?
In simple terms, gears grinding stems from the speed of your wheels and engine not being on the same page. In order to limit grinding gears, semi-truck drivers match the speed by pressing down on the throttle to increase engine revs on downshifts, then waiting for the RPMs to drop when shifting up.
Does grinding gears cause damage?
Without getting majorly technical, grinding the gears starts to do small amounts of damage to the synchronizers and gears each time you do it. Usually the cause of the grinding is a failing clutch/throw-out bearing or simple impatience.
Why does my transmission grind when I downshift?
If your vehicle is a standard, you can have a bad synchronizer in your transmission. The synchronizers are typically made of brass and are what make shifting from one gear to the other smooth. When they wear they make shifting a bit harder and that is when you hear the grinding sound as you shift.
Can bad clutch cause gears to grind?
Gear synchronizers can be the cause of transmission grinds. With a worn clutch, your transmission won’t move the gears far enough away from each other to properly disengage. The final reason a transmission might grind is the dog teeth themselves being chipped or broken inside the transmission.
Is 8LL transmission good?
It works very well for off road use and short hauls. You just have to get used to shifting it. The 3 and fourth gear is reversed, back for 3rd 7th and forward for 4th 8th. I have an 8LL with a C12 in my 99 Pete 357, I get along fine with it.
What’s an 8LL speed transmission?
The Fuller 8LL transmissions provide drivers with the versatility they need for a mix of on- and off-highway applications. These transmissions offer eight road speed gears and two additional deep reduction ratios in low and reverse.
What are signs of a clutch going out?
Here are some of the signs your clutch is going out:
- Squeaking or unusual grumbling noise when pressure is applied.
- Difficulty changing gears.
- The clutch pedal sticking, vibrating or appearing to feel spongey or loose.
- Poor acceleration but still having the ability to rev your engine.