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04-21-2017, 04:02 PM
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#1 |
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...just another truck junkie..
 
Join Date: May 2009
Location: Watertown, SD
Posts: 698
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Re: Oil Change for Manual Transmission and Differentials
The '78 Owner's Manual says 4 qts for the SM465 and between 1.5 and 2 qts for the various 3 speeds.
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Mike "Bear" Shea |
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04-22-2017, 01:34 AM
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#2 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,399
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Re: Oil Change for Manual Transmission and Differentials
The 465 will take a gallon, the 205 will take 2+ quarts, the rear diff, complete drain and refill 2+. All of these you fill to the bottom of the fill hole. Pickup 2 gallons and 2 quarts unless it's cheaper to buy 3 gal.
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04-22-2017, 04:39 PM
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#3 |
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Registered User
Join Date: Jul 2007
Location: Tucson, AZ
Posts: 3,188
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Re: Oil Change for Manual Transmission and Differentials
SM 465 takes 1 gallon of 80-90. I would check for leaks before you change the transmission oil. You might have leaks at the PTO covers and need new gaskets, so an empty trans is the time to replace them.
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