Howling 4kq Transmission/Driveshaft?

["Matthew Brenengen" <qcar@hotmail.com>]

I though I was finally done excising all the evil bugs from my “new” ’87 
4kq.  I finally got the temp gauge to work properly, thanks to a $10 
sender from my local auto yard.  I next time I drove the car, however, 
something in the transmission started to make an awful noise.  It is a 
LOUD whistling, flute-like, siren-like noise that emanates from the 
driveshaft tunnel.  Its epicenter seems to be approximately 8” aft 
(towards the back seat) of the shifter.  It make its bad noises 
regardless of the gear or if the clutch is disengaged.  It howls from 3 
– 30 mph, then quits, only to come back abruptly while slowing to 30.

It did this a few weeks ago for a day and a half, then quit.  Now it is 
back.  There are two variables that may have enticed its return: (1) 
while I was putting in the sender, it was parked at a severe angle into 
my “driveway”.  I left it there for about 3 hours;  (2) it is very cold 
here today (0f), but, it did not make the noise this morning when I went 
to the wrecking yard.

I had a case of Redline in the trunk, so I changed the tranny oil to see 
if that would help (boy was the old stuff gooey and there was no where 
near 2 quarts of it).  The change made no difference.  Although I have 
my fingers crossed that it will fix itself again, I will probably not be 
that lucky.

Whadayathink?

Matthew Brenengen
’87 4kq
’88 QSW
’76 ’02


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