Transmissions and Drivetrain Need help with your trans? Problems with your axle?

New to this section .... Heard a loud bang and also hear grinding sound when in gear

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Old 01-09-2013, 06:16 AM
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Car: 1984 Trans Am Recaro Edition
Engine: 355 L98 Vortec 226/234 custom cam
Transmission: TKO-600
Axle/Gears: On borrowed time...
New to this section .... Heard a loud bang and also hear grinding sound when in gear

Hi all
I am new to this section of TGO so please bear with me...i have noticed a grinding sound coming from the rear of the vehicle when the car is in gear ..very noticeable from the passenger seats in back ..

Then last summer I heard a loud BANG coming from the car while driving down a road not doing more than 30 mph.

At first I thought somebody threw a rock at my car, cause it felt like something hit the car.

I got out of the car and inspected for damage....NOTHING. Drove off and the car responded with no issues ..... Other than the old grinding sound...

Car shifts well, so I think the tranny is ok...

As far as I know I have a stock 1984 trans am with the WY-6 no posi option.

What can this issue be?
Old 01-09-2013, 06:39 AM
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: New to this section .... Heard a loud bang and also hear grinding sound when in g

Grinding probably = axles & bearings
Old 01-09-2013, 07:22 AM
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Location: Woodstock, IL
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Car: 1984 Trans Am Recaro Edition
Engine: 355 L98 Vortec 226/234 custom cam
Transmission: TKO-600
Axle/Gears: On borrowed time...
Re: New to this section .... Heard a loud bang and also hear grinding sound when in g

So should I look into a possible replacement of:

1) pinion bearing?

2) driveshaft ?

3) whatever else ....
Old 01-09-2013, 05:05 PM
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: New to this section .... Heard a loud bang and also hear grinding sound when in g

So should I look into a possible replacement of:
axles & bearings
Pull em out first and look though.
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