Engine Carrier

Removing and installing engine carrier

Tools





Technical values





Preliminary work
1. Remove number plate (with retainer plate if fitted).
2. Remove front muffler.

Removal

Removing engine carrier

Engine carrier components





Overview of engine carrier

1 - Engine carrier
2 - Intermediate flange (cast part)
3 - Spacer sleeve
4 - Front muffler support with heat protection
5 - Hexagon nut, M10
6 - Outer Torx(R) screw, M10 x 80
7 - Outer Torx(R) screw, M10 x 130
8 - Special nut, M12 (inner Torx(R)), for engine carrier to engine mounting
9 - Engine mounting adapter
10 - Hydraulic mount
11 - Hexagon-head bolt, M8 x 60

Warning
Objects or loads falling down
^ Risk of squashing or crushing

- Secure components to prevent them from falling down.

Information
^ It may only be supported over a large area at the oil pan.
^ Localized loading is not permitted.

1. Support engine with transmission and unit jack Junior Jack 2.0 WE 1223 and GA passenger car transmission plate WE 1224 at the oil pan.
1.1. When positioning pay attention to the oil level sensor.
2. Unscrew two M12 special nuts (inner Torx(R), screw insert T55) -1- at the engine mounting (hydraulic mount) on the left and right.





Engine carrier at engine mounting on side 4-6 (view from below)

3. Remove engine carrier.
3.1. Remove M10 x 130 outer Torx(R) special screw through the bore in the rear cross member and rear apron. Pay attention to the sleeve in the engine compartment.





Removing special screw

Pull screw -1- using magnet.





Pulling screw

3.2. Loosen and unscrew two M10 collar nuts.

Information
^ When lowering, the engine must not rest on the rear axle cross member.

4. Lower engine carefully.
4.1. Loosen and unscrew M10 x 80 outer Torx(R) shouldered bolt.
4.2. Move engine carrier out of threaded bolt and remove carrier.
4.3. The intermediate flange can remain on the threaded bolt.
5. Clean engine carrier carefully with solvent naphtha and check for damage (e.g. cracks, deformation).
6. The engine carrier must be replaced if it is damaged.

Installation

Installing engine carrier
1. Insert engine carrier into threaded bolt and position using two M10 collar nuts.
1.1. Position M10 x 80 outer Torx(R) screw and screw in as far as it will go.

Warning
Objects or loads falling down
^ Risk of squashing or crushing

- Secure components to prevent them from falling down.

2. Raise engine to its installation position using the transmission jack.
2.1. Position two M12 special nuts (inner Torx(R), screw insert T55) -1- at the engine mounting (hydraulic mount) on the left and right.





Engine carrier at engine mounting on side 4-6 (view from below)

2.2. Position spacer sleeve -2- for special screw -1- in engine compartment.





Special screw for engine carrier and spacer sleeve (view with engine removed)

2.3. Insert special screw through bore in rear-lid rack and tighten it.





Removing special screw

- Tightening torque: 65 Nm (48 ftlb.)
3. Tighten two M10 collar nuts and M10 x 80 outer Torx(R) screw. - Tightening torque: 65 Nm (48 ftlb.); - Tightening torque: 65 Nm (48 ftlb.)
4. Tighten M12 special nuts on the left and right engine mountings. - Tightening torque: 85 Nm (63 ftlb.)

Subsequent work
1. Install front muffler.
2. Fit number plate (with retainer plate if necessary).