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Joined: Jan 2003
Posts: 154
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2003
Posts: 154 |
Hi, I have a newly acquired 1954 Bel Air and am still waiting on the manual. I am changing out my rear differential oil and I see a total of 4 plugs on the differential. The plate plug, which is 1/2 way to the top of the cover, Then I see 1 plug at the bottom of the front of the differential which I opened to drain the fluid. I also see 2 additional plugs on the top to the front of the axle on the differential.
1) Should I unscrew both of the plugs at the top and fill both with oil or is only one necessary? I am not sure if they are different chambers?
2) Do I fill the fluid to the very top or only to the plug hole that is 1/2 way up the plate.
Thanks!
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Joined: Dec 2007
Posts: 4,024 Likes: 99
ChatMaster - 4,000
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ChatMaster - 4,000
Joined: Dec 2007
Posts: 4,024 Likes: 99 |
You only fill to the plug that is half way up the rear cover. I am not familiar with the plugs you describe at the top of the front. They could be breather fittings to let air in and out f the axle as it heats up. This prevents excess pressure on the seals. Or they could be the lock screws that retain the pinion shaft bearing. I suggest that you do not loosen them. 1949-54 Manual
Rusty
VCCA #44680
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Joined: Jan 2003
Posts: 154
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Jan 2003
Posts: 154 |
Yes, they are the lock screws that retain the pinion shaft bearing. Unfortunately I did remove the 2 on the driver's side but didn't touch the one on the passenger side. The car is up on jacks and I did not move the car. It was recommended to me to tighten them back in - snug, and then tighten the locking nut. Hopefully I will be ok because the car wasn't started or moved.
I never owned a car this old. Certainly a learning curve.
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