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Mod | | | Forums66 Topics128,208 Posts1,057,446 Members48,471 | | Most Online14,466
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#51032 10/10/2005 7:01 AM | Joined: Apr 2005 Posts: 36 Junior Member | | Junior Member Joined: Apr 2005 Posts: 36 | Hi Bolters,
I was under my recently acquired '49 5 window today to check and fill my differntial and found a bolt on top of the driver's side axle. It opens to reveal what appears to be a fill hole of some sort. Does anyone know what this is for?
Thanks,
Rich :confused: | | |
#51033 10/11/2005 11:35 PM | Joined: Jun 2005 Posts: 153 Member | | Member Joined: Jun 2005 Posts: 153 | possibly the axle vent that releases trapped hot air to prevent pushing out axle lube into the brake drum areas.
Overland Blue, 1953 GMC 1/2T, 100-22, 228/1bbl, 4sp/4.10 6v, shortbed/fender side/5-window.
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#51034 10/12/2005 2:23 AM | Joined: Dec 2004 Posts: 425 'Bolter | | 'Bolter Joined: Dec 2004 Posts: 425 | that's what it SHOULD be if someone hasn't just stuck a regular bolt in it...... and i need one.... where can i get one? anyone know?  | | |
#51035 10/12/2005 12:56 PM | Joined: Sep 2003 Posts: 200 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 200 | Oldcar,
Contact Tom Myers at 918.542.3871. He is located in Miami, Oklahoma. When I prepared my rear axle for powder coating, I found that my vent was crushed. I had one from Tom in just a few days. He's a good source.
Good Luck
Mark
1951 Chevy 3100
Some days you get the bear. Some days the bear gets you.
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#51036 10/12/2005 9:38 PM | Joined: Nov 2000 Posts: 582 Shop Shark | | Shop Shark Joined: Nov 2000 Posts: 582 | Definitely an axle vent if it has a mushroom shaped cap on it. Usually clogged. Do a search on this site as there have been discussions on this in the past. | | |
#51037 10/12/2005 10:51 PM | Joined: Jun 2000 Posts: 2,773 'Bolter | | 'Bolter Joined: Jun 2000 Posts: 2,773 | You could make your own. Take a 1/4" pipe nipple and cut a groove in the unthreaded end. Then bend some thin sheet over and into the groove, which is a retainer. On the later trucks GM went to a piece of hose, so a pipe nipple with hose barbs, with the hose going up to the frame and bending over, so water doesn't run into it. Lets you drive through water without getting water in the differential.
Fred
52 3600
69 C-10
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#51038 10/13/2005 12:54 PM | Joined: Nov 2000 Posts: 582 Shop Shark | | Shop Shark Joined: Nov 2000 Posts: 582 | I made one for my truck. Got a 1/4 npt by barb adapter (brass). Took a plastic tubing brass insert collet (the one you install in the end of plastic tubing to keep it from collapsing) and pinched closed the top end. Then the open end of the collet went over the barbed end which allowed it to move up and down over the barb but not come off. Venting could then take place without anything getting into the axle. | | |
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