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transmission oil type SN 1992, pcm-40a |
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rogier 
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 Topic: transmission oil type SN 1992, pcm-40aPosted: May-02-2009 at 8:50pm |
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On my 351 pro-boss (1992 Sport Nautique) there is a PCM-40a 1.23:1 transmission, 530hrs. After 500hrs The previous owner replaced the transmission oil with generic oil for automatic transmissions.
I want to replace the oil to be sure the right oil is in there. I plan to replace the oil three times, every 10hrs, to make sure the old stuff is out. My questions: 1 - What is the standard oil for this transmission? 2 - What is the best oil for this transmission, since I'm fully replacing it anyway? Dextron Iv, Dextron 3, other? And what brand / exact specification is needed? (I have to buy it in Europe, the more details the better) |
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eric lavine
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Joined: August-13-2006 Location: United States Status: Offline Points: 13413 |
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Posted: May-03-2009 at 11:42am |
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anything compatable with Dexron/Mercon it will say so on the bottle
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"the things you own will start to own you"
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rogier
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Posted: May-03-2009 at 2:10pm |
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Thanks Eric, but I have dexron 3, 4, 5 and now even 6 available! what number?
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eric lavine
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Posted: May-03-2009 at 2:46pm |
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it should say on the bottle "compatible with Dex/merc
just no synthetics on the bronze plates, check your alignment too, forget about the alignment times are tough lol i think 3 is compatible but pretty sure 6 is not |
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"the things you own will start to own you"
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TRBenj
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Joined: June-29-2005 Location: NWCT Status: Offline Points: 21185 |
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Posted: May-04-2009 at 1:11pm |
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Just like Eric said- Dex III or equivalent. Stick with conventional. Avoid synthetic and high mileage formulations. I prefer Valvoline.
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gcarbone
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Posted: May-09-2009 at 11:52am |
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I have heard of guys using a baster or some type of vaccum pump to drain/remove the old fluid - sound about right?
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96 SN
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eric lavine
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Posted: May-09-2009 at 12:15pm |
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yes
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"the things you own will start to own you"
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rogier
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Posted: July-10-2010 at 8:53am |
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Replaced the oil 2 months ago, found original 20W20 oil with PCM mentioned on it and decided not to spend lots of time flushing the whole transmission and just replace it with a single extraction and filling.
thanks for all the support |
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