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6/7/11 11:50pm - Original Message: 'right rear noise????/'
coltalan
Former Member
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Joined: 6/7/2011
Posts: 1
Can anyone help me?  Please!
My 68 427 4sp with 69k miles started making a squeek from the right rear.  We were on a trip when it got louder.  My son and I were absolutely sure it was the trim ring because that is the sound.  When you knock on the ring that is the sound.  We yanked the ring off and the center cap, but no relief was found.  It shortly there after started grinding, popping and sounded exactly like the tire was rubbing, but I can find zero evidence of any contact.  When I was ready to call the tow truck it popped, crunched and went away.  I drove it another 100 miles towards home when it started again.  It made a whine and then a screach then a pop and went away again.  Another hundred miles it started a heavy, heavy grind, then went away.  I went a total of 400 miles this way.  Every sound you could name was heard distictly.  Nothing was ever hot to the touch:  U-joints, axle stubs (through) wheel, rim etc.....  I jacked up that side of the car and rotated the wheel and shook it and everything seems normal.  No noises or excessive looseness.  I am lost.  I should think a bearing would have siezed over the 400 miles making noise.  I would think a u-joint would have blown apart or at the very least gotten hot.  I can not explain the rubber screaching sound either.  It was very clearly a rubber sound.  I don't want to start guessing at parts.  Any thoughts would be very appreciated.
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6/8/11 12:11am - Reply: 'right rear noise????/'
stingrayjim jr Lifetime Member
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SHELBYVILLE, TN - USA

Vette(s):
1976 L48 auto

1978 L82 4speed

1994 LT1 6speed

Joined: 7/5/2002
Posts: 3937
these cars can make some very very odd noises... but, if'n it were me, i'd start with the u-joints, look carefully for any sloppy movement while torquing the wheel.  Next while its jacked up, push and pull on the tire with hands at the 12 o'clock and 6 o'clock position to see if there is any excessive movement in the bearings... otherwise, you might have something with the parking brake that may have come loose....rolling around and getting caught up in there..sometimes  it is hard to locate a loose beaing or u-joint while the half shaft is still connected.

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StingrayJim
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6/8/11 7:00am - Reply: 'right rear noise????/'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19457
I'm gonna go out on a limb and say you have a spindle bearing that took a doo-doo. They don't always just lock up. I drove the '74 up to the 5th Anny at the NCM, then up to West Virginny and back in the same trip with the rear bearing on the driver side howling. It didn't get really bad until we were almost home. Could also be a u-joint or park brake. U-joint noises can sometimes come & go, as could parking brake components that are floating around.

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Joel Adams
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6/8/11 8:34am - Reply: 'right rear noise????/'
rraider1
Former Member
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Woodland, WA - USA

Vette(s):
1977 T-Top,350,Auto Black Ruby Pearl,Steeroids R&P conversion

Joined: 10/14/2003
Posts: 1152
by most of the types of noise it sounds like a bearing but what about the differentials clutches, it would be easy to have the rear serviced with the proper lube if the 68s are the same.

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Bob R
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6/8/11 12:37pm - Reply: 'right rear noise????/'
yostusota
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York, PA - USA

Vette(s):
1969 daytona conv. all original 350 350 380 4 sp w/air..and hard top

Joined: 5/18/2010
Posts: 1518
Sounds like you have the same noise mine made before the bearings exploded..I thought it was just the parking brake..but it was also the inner bearing..not fun to have let go at 60 mph..I am doing a 73u rear suspension now if you look up my posts on it..I can go into heavy detail if need be.
Rich
yostusota2011-06-08 10:41:08

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6/12/11 5:55am - Reply: 'right rear noise????/'
OH6A Lifetime Member
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Cadiz, KY - USA

Vette(s):
64 Convertible 73 Coupe 74 Convertible 63 Corvair Spyder Convertible

Joined: 8/26/2002
Posts: 244
You may have a bearing out but I'm with rraider1, change the oil in the rear end and put back the proper oil and the proper additive.  It is worth a try and way less expensive.

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