AR72.20-P-7500T Remove/Install Automatic Tailgate Hydraulic Unit

AR72.20-P-7500T Remove/Install Automatic Tailgate Hydraulic Unit
- with CODE (890) Automatic rear-end door












DANGER:
- Risk of injury to fingers being jammed or squeezed when removing and installing or aligning hoods, doors, trunk lid/tailgate or sliding roof
- When moving components, ensure that no body parts or limbs are within the operating range of moving parts

1 Remove headliner
2 Unscrew screws (7) and remove bracket (8)
3 Unclip cover (4) and push back at hydraulic lines (5) of hydraulic cylinder (2)

NOTE: Installation: Ensure correct seating of cover (4).

4 Unclip hydraulic cylinder (2) at front from hydraulic cylinder ball pin (9) in load compartment hinge hole using a screwdriver

NOTE: Installation: Press down tailgate until the hydraulic cylinder (2) is positioned above the hydraulic cylinder ball pin (9).Then clip in with a suitable screwdriver. Helper required.

5 Unscrew hydraulic cylinder ball pin (9)
6 Expose hydraulic lines (5) of side wall. Remove tie strap (15) and strip of adhesive tape (16).

NOTE:
- Observe installation position of hydraulic lines (5).
- Installation: Replace tie strap (15) and if necessary replace strip of adhesive tape (16).

7 Disconnect plug and socket connection (6)
8 Remove hinge paneling (10) on left tailgate hinge (13)

NOTE: Installation: Replace damaged retaining clip on hinge paneling (10)

9 Remove expanding clips (11)

NOTE: Installation: Replace expanding clips (11).

10 Remove hinge hole cover (12) between vehicle roof and rear spoiler toward outside
11 Lift ball head retainer (14) and clip off hydraulic cylinder ball pin (3) from left tailgate hinge (13)
12 Pull out hydraulic cylinder (2) toward front

NOTE: Slightly rotate hydraulic cylinder (2) when pulling out.

13 Open hydraulic unit housing (17)
14 Take tailgate hydraulic pump (M51/1) with control valve for automatic tailgate dosing system (Y102) out of hydraulic unit housing (17)
15 Take automatic tailgate hydraulic unit (1) out of vehicle
16 Install in the reverse order