Bmw E90 Transmission Oil Cooler Problems at Courtney Jacks blog

Bmw E90 Transmission Oil Cooler Problems. Turned out to be the oil filter bypass valve inside the oil filter cap. I've come here with a questions regarding changing auto transmission oil cooler (heat exchanger) with integrated thermostat. Based on bmw coolant path diagrams and looking at my 335xi it would appear that the heat exchanger feed is out of the lower. You can disconnect the heat exchanger from the radiator by pulling that #2 clip and possibly one more. Transmission fluid passes through external coolers to prevent overheating. You have an outlet line that goes from the transmission to the cooler and the inlet return one. I assume this quick disconnect cannot be. Cracked or leaking cooler lines will drain the fluid and cause the transmission to run hot. My lines going from the cooler to the tranny are leaking at the quick disconnect. Have you checked that valve? One side is coolant from the radiator, the other side is the transmission oil.

Transmission fluid passes through external coolers to prevent overheating. Have you checked that valve? Based on bmw coolant path diagrams and looking at my 335xi it would appear that the heat exchanger feed is out of the lower. You have an outlet line that goes from the transmission to the cooler and the inlet return one. I've come here with a questions regarding changing auto transmission oil cooler (heat exchanger) with integrated thermostat. Turned out to be the oil filter bypass valve inside the oil filter cap. I assume this quick disconnect cannot be. You can disconnect the heat exchanger from the radiator by pulling that #2 clip and possibly one more. Cracked or leaking cooler lines will drain the fluid and cause the transmission to run hot. My lines going from the cooler to the tranny are leaking at the quick disconnect.

How To Check Transmission Fluid Bmw E90 Haiper

Bmw E90 Transmission Oil Cooler Problems Transmission fluid passes through external coolers to prevent overheating. You have an outlet line that goes from the transmission to the cooler and the inlet return one. I've come here with a questions regarding changing auto transmission oil cooler (heat exchanger) with integrated thermostat. Based on bmw coolant path diagrams and looking at my 335xi it would appear that the heat exchanger feed is out of the lower. One side is coolant from the radiator, the other side is the transmission oil. Transmission fluid passes through external coolers to prevent overheating. Have you checked that valve? My lines going from the cooler to the tranny are leaking at the quick disconnect. You can disconnect the heat exchanger from the radiator by pulling that #2 clip and possibly one more. Cracked or leaking cooler lines will drain the fluid and cause the transmission to run hot. Turned out to be the oil filter bypass valve inside the oil filter cap. I assume this quick disconnect cannot be.