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Home >> Mercedes Benz >> 1994 >> C220 >> Repair and Diagnosis >> External Pages >> Different car >> Section 62 (Automatic Transmission - 140 Chassis) >> Repair & Adjustments >> Removing and installing transmission air-oil cooler with blower (models 124/140) - RA27037220550X(27-550)

Removing and installing transmission air-oil cooler with blower (models 124/140) - RA27037220550X(27-550)

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Operation number of the operation texts and work units or standard texts and flat rates:

27-9100

NOTE: The transmission air-oil cooler with blower is only required in vehicles with air conditioner or automatic climate control and trailer coupling if the trailed load amounts to over 1500 kg gross vehicle weight.

Removing and installing 

  1. Remove front bottom section of noise encapsulation.
  2. Seal off oil hoses (32, 33) on oil lines (19, 20). Remove clamp (22).

    Installation note 

    Check and correct transmission oil level of automatic transmission (see Maintenance, volume 2, Automatic transmission  ). Fit rubber grommet (34).

    Fig 1: Identifying Unscrew Nut
    G04684343Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  3. Unscrew bolts (25, 29) and nuts (27, 28), remove covering (26).
    Fig 2: Identifying Unscrew Bolts And Nuts
    G04684344Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  4. Unscrew nuts (23).
    Fig 3: Identifying Unscrew Nuts
    G04684345Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  5. Unscrew bolts (24), then drain air-oil cooler with blower and blower housing a little and disconnect 3-pin plug connection.
  6. Remove complete air-oil cooler.
    Fig 4: Identifying Unscrew Bolts
    G04684346Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  7. Unscrew blower housing (12) with blower (13).
    Fig 5: Identifying Unscrew Blower Housing With Blower
    G04684347Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
  8. Check air-oil cooler (8) for damage and leaks. Check temperature switch (10).
NOTE: The temperature switch may also be checked and replaced with the oil cooler in situ. To do this, the headlamp must be removed.
Fig 6: Identifying Air-Oil Cooler, Temperature Switch
G04684348Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
NOTE: Retrofitting is described in volume 3 of Special Equipment. Parts are listed in the parts microfilm for Group 50.
INSTALLATION SURVEY OF TRANSMISSION AIR-OIL COOLERS1)

Model As standard Special equipment, in conjunction with air conditioner and trailer coupling
124.133/193 - X
124.034 - X
140.042/043(1) - X
140.050/051(1) - X
140.056/057 X -
140.134 X -
1) Except USA ONLYJAPAN ONLY .
(1) Not as from 06/93