Mrelcocko Posted October 14, 2016 Share Posted October 14, 2016 I dont have a rear LSD on my 98 Pathy. Its a 5 speed manual and I was wanting to know what kind of oil I need to use. It doesnt say in the FSM what kind of oil i need to use for a non REAR LSD DIFF. Please help! Link to comment Share on other sites More sharing options...
PathyAndTheJets Posted October 14, 2016 Share Posted October 14, 2016 75w90 or 80w90.gear oil. Link to comment Share on other sites More sharing options...
hawairish Posted October 14, 2016 Share Posted October 14, 2016 ^ What he said. It is in the FSM, though. Check the Maintenance chapter under "Recommended Fluids and Lubricants". Both diffs, regardless of open or LSD, use "API GL-5 viscosity SAE 80W-90", but the LSD requires a suitable additive. But, you can run LSD-safe gear oil in your open diff. Personally, I use Valvoline 80W-90 p/n VV831; GL-4/GL-5 and has LSD additives. It's about $6/qt from Summit. I have a hard time finding a good and reasonably priced selection locally...plus Summit doesn't charge me tax. Link to comment Share on other sites More sharing options...
Mrelcocko Posted October 14, 2016 Author Share Posted October 14, 2016 I overlooked it in the fsm. It does say it. Thanks guys! Link to comment Share on other sites More sharing options...
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