Dripping Oil
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Elder User
Joined: Aug 2005
Posts: 831
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From: Katy, Texas
Dripping Oil
Why does Oil always drip from around the bell housing??? Could i have a crack in the block or a bad seal or sumthing? The bolts were kinda loose around the bell ousing when i got the truck, so i tighteed them up a lil to see if the oil would stop dripping, but it hasnt. If it is the seal, how hard is it to replace that??
Junior User
Joined: Oct 2005
Posts: 80
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From: New Mexico
Shouldnt that rear main seal be replaced by a tranny shop after they rebuild a tranny? I ask because Im loosing lots of oil and seem to have started after the tranny work was done. Maybe I should have requested it be replaced? How difficult of a job am I looking at?
Last edited by dyrtbyrd; Apr 3, 2006 at 09:07 PM. Reason: Need to add on
Hotshot
Joined: Feb 2004
Posts: 11,697
Likes: 3
From: Marengo, Iowa
Tranny shops usualyy deal with just the trans, not too often do they just take care of a rear main on the motor.Different operation, different parts.What may have happened for you was that there was enough dirt and such holding the oil in that it didn't seem to be loosing it before they worked on it. Had that happen on an old Mustang once, when the clutch started slipping, I did some checking, and that was what happened to it, a lot of oil came out when I pryed the dust cover away from the trans bell housing.
Post Fiend
Joined: Nov 2004
Posts: 5,638
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From: Manitoba
First you must find where the leak is coming from, that could be from the Oil pressure sender on the upper back of the block. Any oil on the valley pan would eventually run back and down to the bellhousing area. Also there are oil gallery plugs on the rear of the block behind the flywheel and of course the rear seal. If the trans was repaired did they touch the flywheel.....the retaining bolts on the flywheel to crank require a liquid thread sealant.
So as you see there are several area to check out first before dropping the trans.
So as you see there are several area to check out first before dropping the trans.
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Elder User
Joined: Aug 2005
Posts: 831
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From: Katy, Texas
Plc, where is the oil pressure sender. There seems to be a lot of oil underneath the bell housing, and its all over everything. Its not a massive ammount of oil I dont think, it only starts to drip after long periods of driving i guess when the oil is really Hot. how hard would it be to drop the tranny? would i need any special tools? I have a 3 ton jack that i could jack it up with and pull it out, would that work or would i need one of those stupid tranny jacks?
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Freshman User
Joined: Dec 2002
Posts: 45
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From: Arizona
Check the intake valley
Originally Posted by bassproguy07
Why does Oil always drip from around the bell housing??? Could i have a crack in the block or a bad seal or sumthing? The bolts were kinda loose around the bell ousing when i got the truck, so i tighteed them up a lil to see if the oil would stop dripping, but it hasnt. If it is the seal, how hard is it to replace that??
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Joined: Sep 2002
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From: Northeastern Pa - USA
the oil could be coming from the oil pressure sending unit ... rear top center of the block behind the air cleaner. Could also be fuel mixing with dirt from the valley pan from injector leakage or injection pump weep hole. You would have to clean the engine off and watch for the source.