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



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#194423 01/08/11 04:54 PM
Joined: Nov 2002
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Backyard Mechanic
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Backyard Mechanic
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Posts: 225
Going to replace the rear main oil seal on the 350 in my 70 Chevy. I plan to replace the seal with the motor in the car. Can anyone tell me how hard it is to push the top half of the seal out?


Ya got to drive'em
Wilwood Engineering1955-1957

Willwood Engineering

Wilwood Engineering designs and manufactures high-performance disc brake systems.
Wilwood Engineering, Inc. - 4700 Calle Bolero - Camarillo, CA 93012 - (805) 388-1188


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Oil Can Mechanic
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Oil Can Mechanic
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You need a Sneaky Pete. http://www.sjdiscounttools.com/kdt492.html

Never used one myself, but the name stuck in my head...


It's not how fast you can go, but how good you look at 20 MPH.
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ChatMaster - 25,000
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That has the rubber seal with a steel core. Will slide out very easily - and the new one will slip in easily also. New one should be oiled up when you slide it in.


Gene Schneider
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You can use a small punch to drive on the metal core of the old seal to get it started. Then use pliers of some type and work it out from the other side. Use care to not nick the crank, and use a light coat of sealer on the main cap near the seal when going back together.


Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..
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Backyard Mechanic
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Thanks guy's was told I might have to move the transmission back.


Ya got to drive'em
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There should be no reason to move the transmission.


Gene Schneider
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Had figured I didn't need to move trans, just wanted to make sure before I started, thanks.


Ya got to drive'em
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Your biggest challenge with this job will be getting the oil pan off. You will need to remove the dust cover on the transmission to get the oil pan off, loosen the motor mounts and remove the y-pipe if it has single exhaust. Don

Joined: Nov 2002
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Backyard Mechanic
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Replaced the seal with no leaks, job was a breeze. Just backed off the bolts on the mains except the front one. Seal just pushed out.


Ya got to drive'em

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