Guest Posted August 9, 2002 Share Posted August 9, 2002 My 72 Riviera has positraction. About 106K miles on the car. Is there any maintenence required on the positraction? Link to comment Share on other sites More sharing options...
Guest Posted August 9, 2002 Share Posted August 9, 2002 the clutch discs can wear out. Thats not really a maintenace issue. But you should change the fluid at least every three years with correct positraction fluid. Link to comment Share on other sites More sharing options...
NTX5467 Posted August 11, 2002 Share Posted August 11, 2002 GM used to have a specific PosiTraction lube and also a regular rear axle lube. In more recent times, they now build a universal lube that you add the PosiTraction Additive to to end up with the same thing you previously did. One bottle of additive for a regular automotive rear axle. <P>Everyone else builds "universal" rear axle lubes too so you just need to see the GM dealer that still stocks the PosiTraction additive and get a bottle.<P>The 3 year / 36,000 mile interval sounds pretty much ballpark so that would be a good interval to aim for.<P>Enjoy!<BR>NTX5467 Link to comment Share on other sites More sharing options...
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