![]() In fact, it started making these bubbling noises while in park so I decided to burp the system with a new drain and fill. When I added an additional quarter of a quart of Mercon LV ATF to continue to test the amount of fluid needed without opening that oil leveling plug, it got worse. This fixed the problem but then something strange happened next.Īs I was driving down the road, I would hear these burping sounds or popping noises that originally sounded like problems with the CV joints. When the transmission shuddered upon reverse being engaged, I added the extra quarter of a quart of ATF. When I originally drained the fluid and measured, I filled back the same amount. On a side note, I determined that the fill procedure involving the oil leveling plug on the side of the transmission case is absolutely necessary. ![]() If anything, I have preserved the functionality of the transmission with the passive drain and fill procedures along with slowly driving in RPM ranges of 1500 to 2000. The other gear of reverse is fine and it smoothly engages. ![]() After a few failed attempts, it will illuminate the orange wrench and stay in safety mode from that point forward, until the car restarts.Īfter changing the transmission fluid with Mercon LV directly from the dealership on three (3) separate occasions, the problem persists. When the transmission tries to engage the first gear governed by shift solenoid A, it essentially revs the engine without effect on the transmission. This is the stored DTC of P0751 (and most likely P2700 as well per the service manual). This of course generates an orange check engine light in the form of a water pump icon. It eventually got to the point that the transmission would not engage in 1st or 2nd gear and instead, after waiting for approximately 7 seconds, would loudly engage into overdrive mode.įrom my reading of information on AllDataDIY, this is a safety feature that defaults into certain parameters. My 2013 Ford Fusion S with a 6F35 transmission had recently exhibited symptoms of jerky transmission shifts around the 90,000 mile mark. ![]()
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