Edmunds Answers



  • deasys 09/02/14 6:15 pm PST

    It's all in your Lincoln LS Owners Manual. Your dealer is wrong. Neither Dexron nor Mercon V are correct for the Getrag manual transmission. Lincoln specifies *only* Mercon ATF for the manual transmission. Further, the manual says, "Ensure the correct automatic transmission fluid is used. MERCON and MERCON V are not interchangeable. DO NOT MIX MERCON and MERCON V."

    Regarding the vibration and whining, the latter may well be a result of using the wrong fluid in the transmission and/or of having a fluid level that's too low. The vibration may be related to mechanical damage or faulty re-assembly.


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