Mounting Engine On Transmission

WARNING: This page is about a different variant/trim than selected.

WARNING: Danger of objects or loads falling down

Risk of squashing or crushing
→ Secure components to prevent them from falling down.

CAUTION: ATF pump can be damaged if not installed correctly.

Risk of shearing off drivers on ATF pump pinion
→ Precisely align cut-outs on the converter hub with the drivers on the ATF pump pinion

→ Install the converter slowly and carefully

NOTE: NOTIFICATION
Torque converter installed incorrectly

Risk of damage to transmission and torque converter
→ Always observe installation dimension

→ When securing the transmission, check that the torque converter can turn freely and is not jammed.

→ Do not use force when screwing the engine and transmission together

Information

Screws which are tightened with a torque angle must be replaced with new ones.

Information

A second fitter is required.
Replace converter screws.

Information

The tightening specifications for the basic engine are stored centrally.

> TECHNICAL VALUES

> 2X00IN TECHNICAL VALUES

Tightening torques and assembly instructions for other assemblies (e.g. chassis, electrics, transmission or body) or for peripheral engine equipment can be found in the corresponding documents.

Fix engine to the crankshaft with special tool > 9595 - fixing pins.

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Disconnecting the crankshaft
Insert special tool > 9689 - centring pin in converter.

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Torque converter centring pin
Lift the engine with the workshop crane and move it into the installation position with respect to the transmission.
Put engine and transmission together.
The dowel sleeves on the engine must slip perfectly into the bores on the transmission bell housing.
Fit the transmission screws -1- with the holders -2- for the primary catalytic converters.
> 373519 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION

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Fitting transmission screws
Remove special tool > 9689 - centring pin and fit torque converter screws.
For tightening torques, see > 373519 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION
Carefully lift the engine and transmission assembly with the workshop crane.
Place ATF lines on the engine and fit the holder -1- to the front of the engine using a fastening nut.

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Holder for ATF lines at front of engine
Fit engine mounting.
> 103519 Removing and installing engine mounting - "INSTALLING "
1. 10.1 Remove wooden block under transmission.
2. 10.2 Carefully lower the engine and transmission assembly, making sure the engine mounting is seated correctly in the engine carrier.
3. 10.3 Fit engine mounting.
  > 103019 Removing and installing engine carrier - "INSTALLING "
Remove workshop crane from the engine.
Screw in new converter screws.
Place screw on special tool > 9688 - bit insert and screw in screw.

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Opening for converter screw on engine
Position bit snap-on head and special tool > 9687 - Insert and screw in screw, but do not tighten.
Turn crankshaft clockwise with special tool > 9714 - Socket wrench insert.
Insert special tool > 9595 - locating pins into the front bore on the converter bell housing -arrow- and hold in place with slight pressure until it engages when the crankshaft is turned.

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Disconnecting converter screws
Complete the steps described above for the other five screws.
Remove special tool > 9595 - locating pins before tightening the converter screws to the specified torque. For torque, see > 373519 REMOVING AND INSTALLING AUTOMATIC TRANSMISSION
Insert plug for converter assembly opening. To do this, moisten the groove on the plug with water.

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Plug used to seal converter opening
Starting at the cut-out in the engine block -1- , press in the stopper all the way round from position -2 and 3- .

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Plug
Check the position of the stopper -2- using a mirror -1- . The sealing lip -3- must make contact all the way around.

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Installation position of plug
Push the vacuum hose -1- onto the T-piece -2- .

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Vacuum supply

Clip vacuum line -3- into the holder -4- .
Connect the coolant hose -2- for the ATF heat exchanger on the right to the connection piece and fit the clamp -1- .

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Right coolant line
Clip the hose -1- for the transmission vent into the holder -2- .

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Transmission vent hose
Connect the electric plug connection -1- of the crankshaft pulse sender at the bottom of the transmission -A- and lock it -a- .
Secure the wire harness with a tie-wrap if necessary.

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Plug connection for crankshaft pulse sender
Fit the front cardan shaft.
> 390219 Removing and installing front cardan shaft - "INSTALLING "

Place the catalytic converters in position on the engine and transmission assembly.

27.1 Position the fastening nuts -1- of the primary catalytic converters and fit them.

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Primary catalytic converters

27.2 Position the primary catalytic converters -3- at the gear supports -2- and fit the fastening screw -1- .

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Holder for primary catalytic converter

27.3 Fit the fastening screws -1- of the rear catalytic converters to the holders -2- at the transmission.

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Holder for catalytic converters

Clip the wire harness -1- for the oxygen sensor on the right into the holders -2- on the engine.

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Wire harness for right oxygen sensor
Clip the wire harness -1- for the oxygen sensor on the left at the cylinder head cover into the holder -2- .

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Wire harness for left oxygen sensor
Place the holder -2- for the coolant lines in position on the transmission and fit the fastening screw -1- .

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Holder for coolant lines
Connect the coolant hoses -2- on the left of the transmission and fit the clamps -1- .

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Coolant hoses on left
Position holder for ATF line on the rear of the engine and fit fastening screw -1- .

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Holder for ATF lines at rear of engine