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Re: a noise in 5th gear only on a 99 Vstar
This sounds like a bearing in the gear box on the lay shaft maybe prop the bike up on a satnd and run it up in gear to here the gear box working
ps,,,dont let it fall off the stand when its running up!
Testimonial: "thanks, I'll check it out in the service manual. Hope it's a fairly easy replacement."
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Mor than likely damaged one of the planetary gear sets. Grinding in a trnasmission or rear end is a sign of loss of contact between meshing gears. Automatic transmissions engage two sets of gears internal to the trans to create a forward drive gear, changing between the gear sets creates different ratios anwhich in turn aloows for higher speeds. If the trans only grinds when in fifth range there is mopre than likely internal damage to the gears which 5th needs to operate. I would start by pulling the dip stick for the ****** and check for black or shiney material on the stick. I would then take a sample of oil from the trans by draining some from the drain plug if it has one, or possible drop the pan and check for foriegn matter in the fluid. Peices of metal shaving point to gear damage, and black material pont towards clutch wear/ damage. A worn or damaged clutch will cuase that specific gear not to engage and cause a grinding noise. Either way the concern is internal
Hey I have a 1999 cavalier z24 5spd All my gears work except 5th while puttting it into 5ht gear as i let out of the clutch its grinding so i cannto put in 5th or it will grind, but at times it would work, but recently as Ive been driving I go to put it in 5th, there isn't a grind its as 5th gear is just netural NEED HELP geoff
If the clutch is bad it would make the same noise in every gear, because the clutch does always the same engage and disengage the trans and its different gears. So if there is a noise in a specific gear the problem is the trans-axle ( if the noise is coming from the trans axle.)
Wow, valves and other related engine noises don't care what gear you are in, they still make the noise. However your motor may be "lugging" in 5th gear which can cause a symptom of an engine related issue. You may have an issue with the actual gearbox its self. There is a primary drive chain that may be worn which will cause excessive noise in top gear because it is putting the greatest load on the engine. This is what connects the engine to the transmission. I think there is a tensioner for your model that will allow you to adjust the free play in the primary drive chain. If not I strongly recommend replacement because this will cause major damage if it breaks.