Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks



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Joined: Apr 2008
Posts: 104
MattD Offline OP
Shade Tree Mechanic
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Shade Tree Mechanic
Joined: Apr 2008
Posts: 104
On some Chevs I’ve worked on there is a small vent on the top of the rear axle housing. I crawled under my ‘36 Master and can not find one. I’ve looked online at pictures of rear axle housings, and there doesn’t appear to be a vent.
Is that correct?

Thanks,
Matt


Matt
Filling Station - Chevrolet & GMC Reproduction Parts


Filling Station


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Check the top of the torque tube.


Rusty

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Going by the parts book 1952 was the first year and was not on the torque tube but on the rear housing - on the right axle housing tube.

I recall that we had a lot of rear axle seal leakage in 1951 and that may have been a core

Last edited by Chev Nut; 09/02/23 10:04 PM.

Gene Schneider
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MattD Offline OP
Shade Tree Mechanic
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Thanks Gene.


Matt
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I have heard of some members having to add a vent if they replaced the axle bearings with sealed bearings. One solution is to drill a hole through one of the top bolts on the rear cover. Put a cotter key through it so it stays clear. Keep it off to the side opposite where the ring gear is so it won't get too much oil slung against it.


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