1983 Toyota Celica GT-S - Message Forum (Re: irritating noise)

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Re: irritating noise

Posted By:	OldMage
Posted On:	December 03, 2003 at 12:08 am GMST

wadadlianu wrote:
> It may be your box giving up the ghost. As time goes
> by the gears and other parts are wearing, so now
> they are not aligning properly. If the noise isnt
> too annoying you most likely still have a few years
> before it goes out. Make sure you have enough oil in
> the W58.
>
> steve wrote:
>> I have an 84 Celica. the problem is that whenever
>> I'm cruising in fourth and fifth gear, there is
>> this very irritating humming noise,but when I
>> release the gas the sound goes away and when I
>> press the gas the sound comes back.anyone know what
>> the problem is?

I wouldn't be so quick to assume the gearbox is dying.  Change the gear oil in the transmission and see if it changes.  While you're under there, check to see if there appears to be an oil leak at the rear of the tranny where the driveshaft goes in. Also check whether the dust shield where the d/shaft goes into the tranny is loose (was on mine, cause a helluva rattle).

If the noise doesn't go away w/ the oil change, see if it changes w/ clutch in/out sitting still (throwout bearing).  If that's not it, it could be bearings in the tranny.  If it only does it in 4th, that's a different bearing than if it does do it in other gears (whether the layshaft is spinning or not).

"OldMage"
'83 Celica GT-S coupe, EFI hybrid
Camas, WA  USA
http://www.speedtoys.com/~oldmage

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Message:	OldMage wrote: > wadadlianu wrote: > > It may be your box giving up > the ghost. As time goes > > by the gears and other parts > are wearing, so now > > they are not aligning proper > ly. If the noise isnt > > too annoying you most likely > still have a few years > > before it goes out. Make sur > e you have enough oil in > > the W58. > > > > steve wrote: > >> I have an 84 Celica. the pr > oblem is that whenever > >> I'm cruising in fourth and > fifth gear, there is > >> this very irritating hummin > g noise,but when I > >> release the gas the sound g > oes away and when I > >> press the gas the sound com > es back.anyone know what > >> the problem is? > > I wouldn't be so quick to assu > me the gearbox is dying. Chan > ge the gear oil in the transmi > ssion and see if it changes. > While you're under there, chec > k to see if there appears to b > e an oil leak at the rear of t > he tranny where the driveshaft > goes in. Also check whether t > he dust shield where the d/sha > ft goes into the tranny is loo > se (was on mine, cause a hellu > va rattle). > > If the noise doesn't go away w > / the oil change, see if it ch > anges w/ clutch in/out sitting > still (throwout bearing). If > that's not it, it could be be > arings in the tranny. If it o > nly does it in 4th, that's a d > ifferent bearing than if it do > es do it in other gears (wheth > er the layshaft is spinning or > not). > > "OldMage" > '83 Celica GT-S coupe, EFI hyb > rid > Camas, WA USA > http://www.speedtoys.com/~oldm > age
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