Removal and Installation: AWD
WARNING: This page is about a different car, the 2018 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
Removal
CAUTION:
- When removing the transmission assembly from engine, first remove the crankshaft position sensor (POS) from the transmission assembly.
- Be careful not to damage sensor edge.
- Shift the selector lever to "P" position, and release the parking brake.
- Disconnect the battery cable from the negative terminal.
- Remove front under cover with a power tool. Refer to Exploded View .
- Remove rear engine cover with a power tool. Refer to Exploded View .
- Remove control rod from lower lever of A/T shift selector assembly. Refer to Exploded View .
- Separate propeller shaft assembly (rear). Refer to Removal and Installation .
- Separate propeller shaft assembly (front). Refer to Removal and Installation .
- Remove front cross bar. Refer to Exploded View .
- Remove catalytic converter. Refer to Exploded View .
- Remove crankshaft position sensor form cylinder block. Refer to Exploded View
.CAUTION:
- Never subject it to impact by dropping or hitting it.
- Never disassemble.
- Never allow metal filings, etc. to get on the sensor's front edge magnetic area.
- Never place in an area affected by magnetism.
- Remove starter motor from transmission housing. Refer to Removal and Installation .
- Remove rear plate cover. Refer to Exploded View .
- Turn crankshaft, and remove the four tightening bolts (
) for drive plate and torque converter.
CAUTION: Rotate crankshaft clockwise (as viewed from the crankshaft pulley side). - Remove fluid cooler tubes mounting bolts from transmission assembly and engine. Refer to Exploded View .NOTE: Cap or plug openings to prevent fluid from spilling.
- Support transmission assembly with a transmission jack.CAUTION: When setting the transmission jack, be careful not to allow it to collide against the drain plug and overflow plug.
- Remove rear engine mounting member and rear engine mount with a power tool. Refer to Exploded View .
- Disconnect A/T assembly connector and AWD solenoid connector.
- Remove harness brackets from transmission assembly and transfer assembly.
- Remove bolts fixing transmission assembly to engine with a power tool.
: Transmission to engine
: Engine to transmission
*
: With bracket
- Remove transmission assembly with transfer assembly from the vehicle.CAUTION:
- Secure torque converter to prevent it from dropping.
- Secure transmission assembly to a transmission jack.
- Never damage heated oxygen sensor 2.
NOTE: By placing wooden block between oil pan (upper) and front suspension member, the removal of transmission assembly from engine becomes easier. - Remove manual lever and control rod from transmission assembly. Refer to Exploded View .
- Remove air breather hoses, air breather box, and bracket. Refer to Exploded View (Transmission), Exploded View (Transfer).
- Remove transfer assembly from transmission assembly with a power tool. Refer to Removal and Installation
.NOTE: Cap or plug opening to prevent fluid from spilling.
Installation
Note the followings and install in the reverse order of removal.
- Check fitting of dowel pin (
).
- Install the fixing bolts of transmission and engine according to the following standards.
Bolt symbol
Insertion direction
Transmission to engine
Engine to transmission
Number of bolts
6
3
Bolt length (L)
mm (in)
45 (1.77)
Tightening torque
N.m (kg-m, ft-lb)
38.5 (3.9, 28)
*: Tightening the bolt with bracket of air breather tube. Refer to Exploded View .
- Align the positions of tightening bolts for drive plate with those of the torque converter, and temporarily tighten the bolts (
). Then, tighten the bolts with the specified torque.
CAUTION:- Rotate crankshaft clockwise (as viewed from the crankshaft pulley side).
- When tightening the tightening bolts for the torque converter after fixing the centering bolt, be sure to confirm the tightening torque of the centering bolt. Refer to Removal and Installation .
- Rotate crankshaft several turns and check to be sure that transmission rotates freely without binding after converter is installed to drive plate.