Look and see if it has a round part on the shift lever above the shift tower..it might be called an isolator bushing..I replaced mine and it took a lot of noise out of the shifter
shifter rattle
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Roadking96, Dec 30, 2019.
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I wouldn't worry about it..as long as it's just rateling and not a grinding or crunching noise..U know your truck better than anybody..if it gets real serious you will know it
Roadking96 and Chubby Fly Thank this. -
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Just turn the music up louder.
LOLRoadking96 Thanks this. -
Get some black foam plumbing insulator wrap at hardware store ( the 6ft long stick stuff to winterize pipes) and put it over shifter stick between boot and knob. Helps insulate sound and vibration and heat coming up from trans. Old trick for the old noisy 13 speeds and 2 sticks.
BoxCarKidd and Roadking96 Thank this. -
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If it rattles in neutral push down to put some pressure on the throwout bearing. Does the noise change at all? Does the peal vibrate at about he same frequency as the rattle you hear? It could just the throwout bearing getting ready to take a dump on you.
Roadking96 Thanks this. -
and this is with pushing the clutch pedal all the way to the floor.the noise does change slightly while clutch pedal is pushed down.
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Well with the clutch all the way in, nothing inside the transmission is turning. So we can pretty much rule out anything internal.
Idling in neutral, clutch out. Pilot bearing does not spin. We can probably rule that out too.
Throwout bearing. Spins all the time but is only under load with the clutch pedal pushed. Could be the culprit. Have you tried pumping some grease into the throwout bearing and seeing if the noise changes?
This noise may even not be clutch/transmission related. How are the rear engine mounts? On Western Stars they are actually located on the transmission bellhousing. How are the bellhousing to flywheel housing bolts? Not loose or missing?SAR and Roadking96 Thank this.
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