I just bought a 05 with the 6sp. I am trying to figure out all of the noises and only one that really bothers me is in the transmission/clutch area.

When I release the clutch and the RPMs are below 1000 there is a rattle sound from the transmission. I have heard this noise when driving semis and i hit to high of a gear, but that was when there was 80,000 lbs fighting back.

Is this normal?????

 

stock clutch? my dual disc rattles and the g56 makes a little noise. check the fluid and go from there

 

The truck seems to be untouched with 37,000 on it so I would guess it is stock.

The transmission fluid was clean but I changed it anyways. still the noise

It does sound like the clutch, it doesn't slip at all but that rattle makes me worried.

 

pull the trans and see if it really bugs you if its not slipping and fluid is clean and it shifts ok doesnt pop out of gears or grind i think your ok

 

my 05 does it too, i read a few threads on here that said its normal, hub something yada yada yada

 

my 96 did this for the 70k miles i put on it.had 80k when i bought it. i know its a 5 speed compared to a 6 but when i replaced the clutch i had the fly wheel machined because there were a couple hot spots. i think what happens is the clutch chatters on these hot spots and what we here are the springs in the disc dampening the vibrations. It went away after i had the knew clutch in with the machined fly wheel. thats just my explaination someone who knows alot more will chime in

 

Everyone says that there is some noise in the clutch, I will just wait till it goes then prob get a SB.

 

sounds like a good plan to me!

 

I just got an 04 with the 6speed, it does this ecaxt thing your explaining, figured it was the clutch, i will find out when i get a new one after this ones toast

 

Mine's done it since new. Just the nature of the beast.