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Home >> Mercedes Benz >> 2016 >> C350e >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> Automatic Transmission - 205 Chassis - 1 Of 2 >> Testing & Repair >> Detach/Attach Torque Converter Of Clutch Plate - AR27.20-P-0001-01EWM

Detach/Attach Torque Converter Of Clutch Plate - AR27.20-P-0001-01EWM

Transmission 725.0 

TORQUE CONVERTER

Number Designation Transmission 725.0
BA27.20-P-1001-01D Bolt, torque converter to drive plate/star-shaped drive plates Angled threaded connection Stage 1 Nm 3
Stage 2 Nm 30
Stage 3 ∠° 90
Fig 1: Identifying Ring Wrench (177 589 00 03 00)
G12935505Courtesy of MERCEDES-BENZ USA
Fig 2: Identifying Long Wedge (115 589 03 59 00)
G12935506Courtesy of MERCEDES-BENZ USA
Fig 3: Identifying Socket Wrench Bit (001 589 65 09 00)
G12935507Courtesy of MERCEDES-BENZ USA
Fig 4: Identifying Counterholder (654 589 00 40 00)
G12935508Courtesy of MERCEDES-BENZ USA

Remove 

  1. Unscrew screws/bolts (1 to 4) opposite direction of engine rotation (arrow) through opening in housing.

    IMPORTANT Transmission 725.0 with engine 274, 276, 278, 642, 651 Turn the engine further in the direction of engine rotation at the crankshaft center bolt using SPECIAL TOOL socket.

    IMPORTANT Transmission 725.0 with engine 176, 177 Turn engine further in direction of engine rotation at center bolt of crankshaft using SPECIAL TOOL box wrench.

    IMPORTANT Transmission 725.0 with engine 256, 654, 656 Turn engine further in direction of engine rotation at vibration damper of crankshaft using SPECIAL TOOL counterholder.

    If center bolt or vibration damper is not accessible.

    Turn the engine further at the torque converter using a wide screwdriver.

  2. Pry torque converter off drive plate using SPECIAL TOOL long wedge.
    G12935509Courtesy of MERCEDES-BENZ USA

    Check 

  3. Check threaded inserts in drive plate for loose fitting and damage; replace drive plate if necessary.

    Install 

  4. Check whether torque converter is lying flat against drive plate.

    If necessary, press torque converter onto drive plate using SPECIAL TOOL long wedge.

  5. Tighten screws/bolts (1 to 4) in numerical sequence TORQUE SPECIFICATION

    IMPORTANT Replace the screws/bolts (1 to 4).