Chevrolet Sonic Repair Manual: Transmission Replacement (With 1.2L or 1.4L Engine)
- Removal Procedure
-
- Remove the battery tray. Refer to Battery Tray Replacement.
- Without draining the coolant or removing the hoses, remove and position
aside the radiator surge tank. Refer to Radiator Surge Tank Replacement.
- Remove the transmission range selector lever cable. Refer to Range Selector
Lever Cable Replacement.
- Disconnect the control valve body transmission control module electrical
connector (1) then unclip the connector from the transmission.
- Remove the transmission fluid cooler inlet hose from the transmission.
Refer to Fluid Cooler Inlet Hose Replacement.
- Remove the transmission fluid cooler outlet hose from the transmission.
Refer to Fluid Cooler Outlet Hose Replacement.
- Plug and/or cap the pipes and transmission to prevent contamination.
- Remove the upper transmission to engine bolts (1).
- Install the support fixture. Refer to Engine Support Fixture.
- Drain the transmission fluid. Refer to Transmission Fluid Drain and
Fill.
- Remove the front exhaust pipe. Refer to Exhaust Front Pipe Replacement.
- Remove the front wheel drive shafts from the transmission. Refer to
Front Wheel Drive Shaft Replacement.
- Remove the starter motor. Refer to Starter Replacement.
- Mark the relationship of the flywheel to the torque converter for reassembly.
- Remove the torque converter to flywheel bolts (1).
- Remove the drivetrain and front suspension frame. Refer to Drivetrain
and Front Suspension Frame Replacement.
- Remove the rear transmission mount bracket from the transmission. Refer
to Transmission Mount Bracket Replacement - Rear.
- Remove the left transmission mount (4). Refer to Transmission Mount
Replacement - Left Side.
- Use a transmission jack in order to support the transmission.
- Remove the lower transmission nut (1) and the lower transmission bolts (2?E).
Note:
Ensure the torque converter remains securely in place
on the transmission input shaft while separating and removing the transmission.
- Separate the transmission from the engine.
- Lower the transmission with the transmission jack far enough to remove
the transmission.
- Flush and flow test the transmission oil cooler and lines. Refer to
Transmission Fluid Cooler Flushing and Flow Test.
- Installation Procedure
-
- Raise the transmission with the transmission jack and position the transmission
to the engine.
Caution:
Refer to Fastener Caution.
- Install the lower transmission bolts (2, 4) and tighten to 60 Y (44 lb ft)
.
- Install the lower transmission bolts (3) and the lower transmission
nut (1) and tighten to 40 Y (30 lb ft)
.
- Remove the transmission jack.
- Install the left transmission mount (4). Refer to Transmission Mount
Replacement - Left Side.
- Install the rear transmission mount bracket to the transmission. Refer
to Transmission Mount Bracket Replacement - Rear.
- Install the drivetrain and front suspension frame. Refer to Drivetrain
and Front Suspension Frame Replacement.
Note:
If reusing the torque converter bolts, clean the threads
and apply threadlocker to the threads prior to installation.
- Install the torque converter to flywheel bolts (1) and tighten to
60 Y (44 lb ft)
.
- Install the starter motor. Refer to Starter Replacement.
- Install the front wheel drive shafts to the transmission. Refer to Front
Wheel Drive Shaft Replacement.
- Install the front exhaust pipe. Refer to Exhaust Front Pipe Replacement.
- Remove the support fixture. Refer to Engine Support Fixture.
- Install the upper transmission to engine bolts (1) and tighten to
60 Y (44 lb ft)
.
- Connect the control valve body transmission control module electrical
connector (1) then clip the connector to the transmission.
- Install the transmission fluid cooler outlet hose to the transmission.
Refer to Fluid Cooler Outlet Hose Replacement.
- Install the transmission fluid cooler inlet hose to the transmission.
Refer to Fluid Cooler Inlet Hose Replacement.
- Install the transmission range selector lever cable. Refer to Range
Selector Lever Cable Replacement.
- Adjust the automatic transmission range selector lever cable. Refer
to Range Selector Lever Cable Adjustment.
- Install the radiator surge tank. Refer to Radiator Surge Tank Replacement.
- Install the battery tray. Refer to Battery Tray Replacement.
- Fill the transmission with fluid. Refer to Transmission Fluid Drain
and Fill.
- If a NEW transmission control module (TCM) has been installed into the
vehicle, the NEW module needs to be reprogrammed. Refer to Service Programming
System (SPS).
Note:
The transmission adaptive values learn procedure must
be performed when one of the following repairs have been made to the
vehicle. Failure to perform the procedure after one of the following
repairs may result in poor transmission performance, as well as transmission
DTCs being set:
- Transmission internal service/overhaul
- Valve body repair or replacement
- Control solenoid valve assembly replacement
- TCM software/calibration update
- Any service in response to a shift quality concern
- Perform the transmission adaptive values learn. Refer to Transmission
Adaptive Values Learn.
- Road test the vehicle.
Special tools are listed and illustrated throughout this section with a complete
listing at the end of the section. These tools, or their equivalents, are specially
designed to quickly and safely ...
Removal Procedure
Remove the battery tray. Refer to Battery Tray Replacement.
Without draining the coolant or removing the hoses, remove and position
aside the radiator surge tank ...
Other materials:
Windshield Header Courtesy Lamp Replacement
=i_ii.=========
Windshield Header Courtesy Lamp Replacement
Callout
Component Name
1
Windshield Header Courtesy Lamp
Procedures
Grasp the courtesy lamp assembly and pull downward to release the
retainer clips ...
Thrust Angles Description
The front wheels aim or steer the vehicle. The rear wheels control tracking.
This tracking action relates to the thrust angle (3). The thrust angle is the path
that the rear wheels take. Ideally, the thrust angle is geometrically aligned with
the body centerline (2).
In the i ...
Transmission Replacement (With 1.2L or 1.4L Engine)
Removal Procedure
Remove the battery tray. Refer to
Battery Tray Replacement.
Without draining the coolant or removing the hoses,
remove and position aside the radiator surge tank. Refer to
Radiator Surge Tank Replacement.
Remove the transmission range selector lever c ...
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