Valve body AW55-50SN AW55-51SN 99-up (GM)

GM, Opel - 24228787, 93743190

SAAB - 5255492, 5255682, 5448584, 5255559, 5448568, 5448592, 5255666, 5449780, 93185091

Renault - 7701055165, 7701057664, 77011063520, 7701063522, 7701050141, 7701055164, 7701056737, 7701065769

Valve body  of   AW55-50SN, AW55-51SN automatic transmission  for the VOLVO automobiles  . Basic reason for the majority of premature diseases of  “iron ” – is  the insufficient oil pressure, which comes from valve body. From mud in oil and elevated temperature it eats and stuffs in the channels of valves and solenoids. Mud is filled in the worn places and plungers jam, as a result of which oil does not reach the packets of cohesion and  blocking of hydraulic converter. Most frequently the problem is expressed in the fact that the passages between 2 and 3 gears become late, they are late or occur with the impact. Solenoid of SLS  very  popular in the replacement is responsible  for this. Impacts - create extra load on the brake band, which draws near its premature decease. The repair of hydraulic unit with cleaning is better to produce as early as possible, as soon as the first signs of the nonstandard work of automatic unit began, until begins typical and unavoidable problem - wear of the housing of valve body .  Depending on the extent  of valve plate wear ,  the solution  is taken- whether cleaning and replacing of  solenoids  is enough  or it is time to order new valve body .

SAAB 9’3 (2.0L Turbo 2WD, 2.0L, 2.8L), 9’5 (2.3L, 3.0L)

Renault Espase IV, Vel Satis (V6 3.0L)

Opel Saturn, Signum, Vectra-C (2.2L, 2.2LTD, 3.2L)

Fiat Lancia Thesis (V6 3.0L)

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Tags: 24228787, 93743190, 5255492, 5255682, 5448584, 5255559, 5448568, 5448592, 5255666, 5449780, 93185091, 7701055165, 7701057664, 77011063520, 7701063522, 7701050141, 7701055164, 7701056737, 7701065769