Drivetrain Is This A 9"?

robert912005 · Apr 1, 2015

I have currently aquired a rearend and the tag is gone. I was wondering if it is a 9" or a 8"? I looked all over the housing and only found these numbers: 3L12.... 86M... and WAT.... Do they mean anything?

rbohm · Apr 2, 2015

ok first, are the edges of the pumkin scalloped? specifically around the bolt holes. if so then you have either a 9 or 9 3/8" rear end

second, can you get a socket on the bottom nut? if so then you have either an 8" or 9 3/8" rear end. if not then you have the 9" rear end.

here is a picture of a nine inch rear end;

look close and you can see the scalloping around the bolt holes.

robert912005 · Apr 2, 2015

Thanks for your help... I definatly can not get a socket on the bottom nut, had to use a wrench...

rbohm · Apr 2, 2015

robert912005 said:
Thanks for your help... I definatly can not get a socket on the bottom nut, had to use a wrench...

definitely a 9" then.

CUAviator · Apr 9, 2015

9" question:
I've got 79 Versailles 9" with disc brakes and am having a hell of a time with a parking brake. When pulling the cable from under the car, the calipers squeeze. But when trying to set it with the pull handle from inside, it won't budge. Also like that set up requires a foot pedal. Anyone know anything about this

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rbohm · Apr 9, 2015

CUAviator said:
9" question:
I've got 79 Versailles 9" with disc brakes and am having a hell of a time with a parking brake. When pulling the cable from under the car, the calipers squeeze. But when trying to set it with the pull handle from inside, it won't budge. Also like that set up requires a foot pedal. Anyone know anything about this

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it sounds to me like the mechanism inside the car is frozen, or near frozen. its also possible that the cable from the mechanism to the actual parking brake cables is frozen.

CUAviator · Apr 9, 2015

rbohm said:
it sounds to me like the mechanism inside the car is frozen, or near frozen. its also possible that the cable from the mechanism to the actual parking brake cables is frozen.

Full disclosure -
It was my mechanic. He took the assembly apart and reinstalled it today 6 times. He also took the calipers apart and reassembled them bc he thought they were frozen. He's thinking that the assembly itself requires more leverage than just the hand-pull e-brake...ie pedal brake or "pull up" brake.

rbohm · Apr 10, 2015

versaille rear disc brakes are a troublesome lot they are.

CUAviator · Apr 10, 2015

rbohm said:
versaille rear disc brakes are a troublesome lot they are.

How so?

Sweet avatar

rbohm · Apr 10, 2015

well the first is the trouble you are having, with the parking brake. the second is the procedure to adjust the calipers each time you replace the pads.

CUAviator · Apr 10, 2015

rbohm said:
well the first is the trouble you are having, with the parking brake. the second is the procedure to adjust the calipers each time you replace the pads.

Any ideas how to fix the parking brake?

rbohm · Apr 10, 2015

CUAviator said:
Any ideas how to fix the parking brake?

yes, change over to a more reliable system.

Drivetrain Is This A 9"?

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