Engine, Installing
Tightening Specifications
Tightening specifications only apply to lightly greased, oiled, phosphate or blackened nuts and bolts.
Additional lubricants, such as engine or transmission oil are permissible, although lubricants containing graphite are not.
Do not use any degreased parts.
Tolerance for tightening specifications +/- 15%.
- For the correct tightening specifications, refer to ENGINE AND TRANSMISSION MOUNTS OVERVIEW .
- Additional tightening specifications:
| Component | Nm | |
|---|---|---|
| Bolts/nuts | M6 | 10 |
| M7 | 15 | |
| M8 | 22 | |
| M10 | 40 | |
| M12 | 65 | |
| Exceptions: | ||
| Ground (GND) wire | 22 | |
Mounting, S-Tronic Transmission to Engine
| Item | Bolt | Nm |
|---|---|---|
| 1, 3 | M12x55 | 80 |
| 5 | M12x65 | 80 |
| 6 | M12x50 | 80 |
| 7, 8 | M10x50 | 40 |
| 9 | M12x70 | 80 |
| 10 | M12x55 | 80 |
| 2, 4 | Starter mounting, refer to [For transmission(s) 02E] Removal and Installation | |
| A | Alignment sleeves for centering | |
Procedure
Installation is done is reverse order, observe the following:
Replace self-locking nuts and bolts.
Always replace bolts that are tightened to torque as well as O-rings and gaskets.
The hose supports, air guide pipes and hoses must be free of oil and grease before installing.
Secure all hose connections with hose clamps appropriate for the model.
To mount the charge hoses on their connectors securely, spray the bolts on the used clamps with rust remover before installing.
During installation, cable ties must be installed at the same location.
-- If no alignment sleeves for center engine and transmission are present in cylinder block, insert sleeves.
-- If no needle bearing is installed in crankshaft, install needle bearing. Refer to NEEDLE BEARING ON CRANKSHAFT .
-- Attach transmission to engine.
-- Tighten the bevel box bracket. Refer to Removal and Installation .
-- Guide engine/transmission assembly into body.
-- First tighten the subframe bolts -arrows- on the engine side by hand.
-- First tighten the subframe bolts -arrows- on the transmission side by hand.
Only tighten the bolts to the specification when installing the subframe mount. Refer to SUBFRAME MOUNT, ADJUSTING .
-- Remove the engine/trans. support T10012 from engine.
-- Tighten the pendulum support bolts -2- and -3- to the transmission. Refer to ENGINE AND TRANSMISSION MOUNTS OVERVIEW .
-- Install selector lever cable. Refer to Removal and Installation .
The shaft seal -arrow- in the driveshaft flange could be damaged.
- Press the engine/transmission assembly toward bulkhead while carefully guiding bevel box pins into driveshaft flange.
-- Tighten the pendulum support bolt -1- to the subframe. Refer to ENGINE AND TRANSMISSION MOUNTS OVERVIEW .
-- Tighten driveshaft with flexible disc on the bevel box. Refer to Removal and Installation .
The rest of the installation is performed in reverse order of removal, noting the following:
-- Install the front exhaust pipe with the catalytic converter and front muffler. Refer to FRONT EXHAUST PIPE WITH CATALYTIC CONVERTERS AND FRONT MUFFLER .
-- Install exhaust system and align it free of stress. Refer to EXHAUST SYSTEM, INSTALLING .
-- Install the Heated Oxygen Sensor (HO2S) -G39-. Refer to Removal and Installation .
-- Install drive axles. Refer to Removal and Installation .
-- Install drive axle heat shield. Refer to Removal and Installation .
-- Install A/C compressor. Refer to Removal and Installation .
-- Install generator. Refer to [For transmission(s) 02E] Removal and Installation .
-- Install the ribbed belt. Refer to RIBBED BELT TENSIONER .
-- Install the radiator. Refer to RADIATOR .
-- Install fan shroud. Refer to FAN SHROUD .
-- Install starter. Refer to [For transmission(s) 02E] Removal and Installation .
-- Install the noise insulation frame and the noise insulation. Refer to Removal and Installation .
-- Adjust the subframe mount. Refer to SUBFRAME MOUNT, ADJUSTING .
-- Install Engine Control Module (ECM). Refer to Removal and Installation .
-- Electrical connections and routing. Refer to appropriate SYSTEM WIRING DIAGRAM.
-- Install wiper arms. Refer to [For transmission(s) 02E] Removal and Installation .
-- Follow measures after connecting battery. Refer to [For transmission(s) 02E] Removal and Installation .
-- Engine oil level, checking. .
Risk of destroying control modules with excess voltage.
- Do not use a battery charger for starting assistance!
-- Fill with coolant. Refer to COOLING SYSTEM, DRAINING AND FILLING => Filling .
Do not use drained coolant in the following situations:
If the cylinder head or cylinder block was replaced.
If the coolant is contaminated.