Casper1988 Posted April 2, 2017 Share Posted April 2, 2017 I am changing out oil in the rears of my 1988 R Model. It has 44 rears. What is a the weight oil and are there any reasons for using one over the other. Assuming this is 80-90 weight oil. Looks like two areas to fill and then just check the bottom level plug is what I am gathering from folks for routine checks. Is it true oil on the bottom gets thrown up to lubricate the top. Thanks. Quote Link to comment Share on other sites More sharing options...
j hancock Posted April 2, 2017 Share Posted April 2, 2017 You can use grade GO-H 80W-90 or GO-H/S 75W-90. There is a drain plug and fill plug on the power divider. There is a drain and fill plug for the bevel gears on the carrier and there is a drain and fill for the axle housing. Fill top and bottom to the respective fill line. The bottom sprays oil to the top while in operation. 1 Quote JimIt doesn't cost anything to pay attention. Link to comment Share on other sites More sharing options...
Casper1988 Posted April 2, 2017 Author Share Posted April 2, 2017 These are pipe plugs that are in real good on the bevel and divider. A 3/8's ratchet end on the pot. Drained about 3 gallons out of each pot, does that seem right. Haven't opened up the others as I need 8 point sockets for the plugs before I resort to a small pipe wrench to get them. Quote Link to comment Share on other sites More sharing options...
hatcity Posted April 2, 2017 Share Posted April 2, 2017 three gallons sounds about right. just DO NOT use synthetic oil 1 Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment Share on other sites More sharing options...
Casper1988 Posted April 4, 2017 Author Share Posted April 4, 2017 Went and bought Mack oil yesterday and did the job. Those plugs were really in there tight.The Mack oil was 75$ a 5/gal pail and looked good. stuff that came out was nasty. Thanks all for the replies. Quote Link to comment Share on other sites More sharing options...
Mike Posted April 4, 2017 Share Posted April 4, 2017 5 hours ago, Casper1988 said: Went and bought Mack oil yesterday and did the job. Those plugs were really in there tight.The Mack oil was 75$ a 5/gal pail and looked good. stuff that came out was nasty. Thanks all for the replies. Another Happy Rear End............. job. 2 Quote Link to comment Share on other sites More sharing options...
Casper1988 Posted April 7, 2017 Author Share Posted April 7, 2017 The plugs were 1/2 drive not 3/8's as I stated. rechecked them the other day and topped them off. good to go. Quote Link to comment Share on other sites More sharing options...
GreenGiant2 Posted April 7, 2017 Share Posted April 7, 2017 On 4/2/2017 at 6:17 PM, hatcity said: three gallons sounds about right. just DO NOT use synthetic oil Hatcity, have you had problems will synthetic Quote We the unwilling, Lead by the unqualified, are doing the impossible, for the ungrateful. Link to comment Share on other sites More sharing options...
hatcity Posted April 7, 2017 Share Posted April 7, 2017 6 minutes ago, GreenGiant2 said: Hatcity, have you had problems will synthetic no...but unless you clean EVERYTHING real good...its not good to mix synthetic with fossil seeing that he has an 88, would assume he has fossil in there 1 Quote Success is only a stones throw away.................................................................for a Palestinian Link to comment Share on other sites More sharing options...
GreenGiant2 Posted April 7, 2017 Share Posted April 7, 2017 Quote We the unwilling, Lead by the unqualified, are doing the impossible, for the ungrateful. Link to comment Share on other sites More sharing options...
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