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Joined: Nov 2005
Posts: 55
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2005
Posts: 55 |
I have checked all the literature that I have and also done a search on this web site and cannot find where it tells you the transmissions maximum fluid level. Their is a bolt on the passenger side of the transmission about 3 or 4 inches up from the bottom, is this the fill plug? The owners manual and the repair manual do not show a fill plug anywhere. Do you fill it to this level? Also, I think I read that the transmission fluid flows to the universal joint, is this correct?
Thanks for the help.
Wayne
29 Coach, 88 Camaro
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Joined: May 2002
Posts: 1,213 Likes: 1
ChatMaster - 1,000
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ChatMaster - 1,000
Joined: May 2002
Posts: 1,213 Likes: 1 |
On one side of the gearbox casing,you'll find a 1/2" pipe plug fitting.This is the filler hole for the gearbox.Just fill the gearbox up to the bottom of the threaded hole,and this is sufficient oil for many miles.Some oil will bypass the rear mainshaft bearing to lube the uni-joint and the drive shaft bush,so you need to keep an eye on th oil level,how often depends on you use the car. 
CJP'S 29
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Joined: Nov 2005
Posts: 55
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Nov 2005
Posts: 55 |
Thanks CJP'S 29
I also noticed a brass bolt head on the top back side of the transmission which looks to be in the area of the universal joint housing. I think that the person that did the restoration must have added this opening to add fluid to the universal joint. Do you think it would hurt to add a little fluid in this opening? I'm thinking that when he rebuilt the transmission he may have thought not enough fluid was getting to the joint so he added this port to add fluid. Unfortunately he has passed away so I can't ask him about it. What do you think? Anybody have any thoughts on this?
Thanks for the help.
Wayne
29 Coach, 88 Camaro
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Joined: Dec 2002
Posts: 689
Oil Can Mechanic
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Oil Can Mechanic
Joined: Dec 2002
Posts: 689 |
CJP is correct. If the drive shaft seal (not the bushing) is bad the transmission oil will (slowly) leak past it and fill the rear end. Keep an eye on the transmission oil level. If you lose a fair amount from the transmission it could be leaking from the U-joint housing and/or filling the rear end. Also keep an eye on the rear wheel seals...they will leak if the rear end oil level gets too high.
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Joined: Mar 2004
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ChatMaster - 1,000
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ChatMaster - 1,000
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So in the u-joint housing, do you fill that with oil or rely on the transmission to seep oil into it? That is also where the speedo gears are correct?
Sal Orlando
Chat Group Region Member
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Joined: Nov 2001
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Tech Advisor ChatMaster - 25,000
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Tech Advisor ChatMaster - 25,000
Joined: Nov 2001
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On top of the universal joint retainer is an 1/8" pipe plug from the factory. On the initial fill of the transmission, about 1/2 pint should be added to the universal joint retainer through this pipe plug to lubricate the universal joint and the speedometer drive gear. From then on this area is lubricated from the oil in the transmission as the oil passes through the open rear bearing.  :) :grin:
The Mangy Old Mutt
"If It's Not Junk.....It's Not Treasure!"
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Joined: Mar 2004
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ChatMaster - 1,000
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ChatMaster - 1,000
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Sal Orlando
Chat Group Region Member
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