Dbl_D718 Posted August 15, 2017 Share Posted August 15, 2017 The other day during a long drive, the shift lever just popped out of 6th gear while cruising down the highway. What would cause this? The gear feels like it engages fine, and drives fine until it just popped out. The car is at 135,000 miles, and the transmission fluid was changed with Subaru Extra S at about 80,000 miles. Thanks! MODS: PW TMIC, Cobb catted DP, HKS cat-back, AVO filter, Bren e-tune; Konis/Epics, Advan RCII Link to comment Share on other sites More sharing options...
cseagle08 Posted August 15, 2017 Share Posted August 15, 2017 Having listened to more years than I can count of NPR Car Talk...I believe popping out of gear is a worn synchro. And it will never get better, just worse over time. And requires a rebuild of the transmission to fix. Link to comment Share on other sites More sharing options...
Holla Posted August 15, 2017 Share Posted August 15, 2017 Yes, a pop out is generally a sign of a worn synchro. With 55k on the fluid, I'd definitely start there. I'd recommend 2qt of Redline Lightweight Shock Proof and top off with Motul 75w-90. Link to comment Share on other sites More sharing options...
Max Capacity Posted August 15, 2017 Share Posted August 15, 2017 You can try that cocktail of fluid, but the fluid should be changed every 30,000 miles in these cars. Motul Gear 300 is the best out there currently. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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