Is the AW 55-50sn-51sn a four speed transmission?

Is the AW 55-50sn-51sn a four speed transmission?

Service and repair work of automatic transmission AW 55-50SN -51SN were simplified. This modification was made on the basis of the four-speed transmission from the Aisin company. A special feature of this modification is the active use of automated systems.

What kind of transmission does a Infiniti aw55 have?

Nissan and Infiniti call it the RE5F22A, and in a Volvo it’s known as the AW55-50/51SN. This transmission contains three planetary gear sets, three driving friction elements, five holding friction elements (one of which is a servo applied band), two sprags, and a torque converter, which contains a clutch assembly for increased fuel efficiency.

Do you need Lube adapter for Saab 55 50Sn?

The Saab, cooler element will require an adapter, but most units are easily accessible. Lube pressure and flow on the 55 50SN, is low in comparison to other units. This converter requires multiple valves, along with the rear pump bushing, to control modulated TCC apply (see Figure 3).

What’s the normal flow in a Saab 55 50Sn?

Normal flow in Drive with TCC re- leased is 1.3 gpm and during TCC apply it drops to .7 gpm. The Saab, cooler element will require an adapter, but most units are easily accessible. Lube pressure and flow on the 55 50SN, is low in comparison to other units.

Are there any problems with the aw55-50sn?

No transmission is perfect and with that said the AW55-50SN had its fair share of problems. Valve body and solenoid magnetization, pumps, pressure regulators, clutches, torque converter slipping and leakage are all failure points of the AF33. Our XP1 series is not just a rebuilt AW55-50SN.

Can a 55 50 sn be installed in a Nissan?

The 55 50/51 SN is installed into a multitude of vehicles and there will be variations to the unit and this data. A similar valve body will bolt to a GM, Volvo, Saturn, Nissan, Saab, Opel or Renault. Failure to test and recognize can create hours of additional effort.

Can a clean core be used on a 55 50Sn?

On the 55 50SN valve body, a clean core is not indicative of the function. This material is a route past the “thin ice” that other travelers have marked. At these flag’s per say, the test or inspection, frequently points to the valve body, as it accounts for the majority of the transmis- sion’s issues.

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