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08-01-2010, 07:22 AM
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#1 |
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Registered User
Join Date: Jul 2010
Location: Hudsonville, MI
Posts: 174
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Oil pan is rotted and leaking...Help
Hi Guys...New to the site and love all the info on here. Need some newbie type help. I have an 85 3/4 ton 4x4 that I just purchased as a project. First fix was the trans....all good now. Next fix is the severe oil leak that the trans guy told me is due to a rotted oil pan. Can I replace the oil pan without having to pull/raise the engine? It looks doable, but I don't want to attempt without checking....Also, any tips for getting a good gasket placement/seal would be very appreciated. Thanks very much
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_______________________________________________ 1985 Chevy Scottsdale K20 350 with 700R4 running 3.42 gearing aka "The Honey Badger" 1993 Silverado C3500 Ext. Cab Dually 6.5 turbo diesel |
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08-01-2010, 09:10 AM
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#2 |
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Senior Member
Join Date: Apr 2000
Location: Delta,Pa
Posts: 14,950
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Re: Oil pan is rotted and leaking...Help
In an 85 you can usually sneak the pan right out. Make sure to get a 1 piece gasket instead of the stock 4 piece setup. The 1 piece gasket is way less prone to leaking.
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Owner of North Point Car Care in Dundalk Md. We specialize in custom exhaust on both modern and classic vehicles. We are a full service auto shop from classics to modern vehicles. Feel free to contact me with questions. I will give a 10% discount to any board member. |
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08-01-2010, 10:53 AM
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#3 |
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Registered User
Join Date: Jul 2010
Location: Hudsonville, MI
Posts: 174
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Re: Oil pan is rotted and leaking...Help
Thanks VERY Much! Now I just need to get the pan and gasket....
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_______________________________________________ 1985 Chevy Scottsdale K20 350 with 700R4 running 3.42 gearing aka "The Honey Badger" 1993 Silverado C3500 Ext. Cab Dually 6.5 turbo diesel |
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08-01-2010, 01:10 PM
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#4 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Oil pan is rotted and leaking...Help
If you need an extra bit of room to get it clear of the oil pick up, you can use a 2x4 block on a floor jack under the crank pulley. Just unbolt the through bolts on your motor mounts and jack it up a bit. Be sure to watch for clearance on your distributor cap as you go higher.
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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08-01-2010, 11:08 PM
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#5 |
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Registered User
Join Date: May 2010
Location: London, Ontairio
Posts: 163
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Re: Oil pan is rotted and leaking...Help
When i did mine, i had to jack the engine up 2-3 inches for clearence and more room to work. I too went with the one peice gasket from fel-pro. I also replaced the pan with a new one. Along with a new pump and pickup for cheap insurance. Painted it orange to make it go faster...
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1987 GMC Wrangler - 305TBI/TH400/Duals 1968 Camaro - Resto 2010 Ranger  I only drive truck 6 months a year... Dam Canadian winters.
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