NHTSA ID Number: 10165987
Manufacturer Communication Number: T-SB-0150_16_Rev
TSB/Document Date: 2019-10-15
Summary
TSB: REVISION NOTICE September 03, 2019 Rev1: ? Applicability has been updated to include 2018 ? 2019 model year Corolla vehicles. Any previous printed versions of this bulletin should be discarded. Some 2014 ? 2019 model year CK313 CVT Corolla vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P2757 (Torque Converter Clutch Pressure Control Solenoid Performance [Shift Solenoid Valve SL]). Follow the Repair Procedure in this bulletin to address this condition.
C. Pull out the male connector.
Male Connector Claw
Figure 7. Male Connector
8. Remove the O-ring from the oil temperature sensor.
© 2019 Toyota
Motor Sales, USA
T-SB-0150-16
Rev1
October 20, 2016
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Removal (continued)
9. Unscrew the 13 bolts and remove the
transmission valve body assembly from the
transmission case.
Figure 8. Transmission Valve Body
Bolt A: (2) 20mm in length
Bolt B: (7) 35mm in length
Bolt C: (4) 45mm in length
10. Remove the B1 gasket from the
transmission case.
A
20 mm Bolt
B
35 mm Bolt
C
45 mm Bolt
Figure 9. B1 Gasket
NOTE
As soon as removal of the transmission
assembly is complete, install the transmission
valve body assembly without ANY interruption
to avoid contamination.
1
© 2019 Toyota Motor Sales, USA
B1 Gasket
Page 7 of 12
T-SB-0150-16
Rev1
October 20, 2016
Page 8 of 12
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Installation
1. Apply a small amount of Toyota genuine MP grease No. 2 or CVT fluid to the NEW B1 gasket.
2. Install the gasket to the transmission case.
NOTICE
To prevent the B1 gasket from falling off, ensure that it is properly
installed to the transmission case.
3. Install the transmission valve body assembly.
NOTICE
When installing the NEW transmission valve body assembly, fit it into the transmission case
carefully as to NOT damage the top of the sub strainers that are positioned at the back of the
transmission valve body assembly.
Figure 10. Front View
Figure 11. Back View
1
Sub Strainer
NOTICE
When installing the NEW transmission valve body assembly, hold the transmission valve
body assembly horizontally to prevent the manual valve from falling off.
© 2019 Toyota Motor Sales, USA
T-SB-0150-16
Rev1
October 20, 2016
Page 9 of 12
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Installation (continued)
A. Hold the transmission valve body assembly horizontally.
B. Match the projection of the manual valve lever sub-assembly and the ditch of the manual
valve as shown below.
C. Install the NEW transmission valve body assembly to the transmission case horizontally.
Figure 12.
1
Projection of Manual Lever Sub-assembly
D. Hold the two bolts (35 mm in length) by
hand and install to position A.
2
Manual Valve
Figure 13. Transmission Valve Body
E. Temporarily tighten the bolts manually
until they sit properly on the transmission
valve body assembly.
A
© 2019 Toyota Motor Sales, USA
35 mm Bolt
T-SB-0150-16
Rev1
October 20, 2016
Page 10 of 12
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Installation (continued)
F. Temporarily tighten the remaining
11 bolts manually until they sit properly.
Figure 14. Transmission Valve Body
Bolt A: (2) 20mm in length
Bolt B: (7) 35mm in length
Bolt C: (4) 45mm in length
G. Tighten the 13 bolts.
Torque: 10.8 N*m (110 kgf*cm)
H. Apply Toyota genuine CVT fluid to NEW
O-ring and fit it to the oil
temperature sensor.
I. Fit one bolt, oil temperature sensor clamp
and five connectors.
Torque: 10.8 N*m (110 kgf*cm)
A
20 mm Bolt
B
35 mm Bolt
C
45 mm Bolt
J. Install the transmission harness to the transmission valve.
NOTE
Refer to the table below for respective connectors, solenoid connectors, and wiring of the
transmission harness to ensure proper installation.
1
2
3
4
5
Black
Black
Blue
Black
Black
TRANSAXLE HARNESS
CONNECTOR COLOR
White
Green
Black
Green
White
WIRING COLOR
Purple
White/Black
Blue/Red
Light Blue
Yellow/
Light Green
© 2019 Toyota Motor Sales, USA
T-SB-0150-16
Rev1
October 20, 2016
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Installation (continued)
3. Install the oil strainer.
A. Apply Toyota genuine CVT fluid to the
NEW O-ring, then fit it into the
oil strainer.
B. Tighten the three bolts evenly and
temporarily install the oil strainer to the
transmission valve body assembly.
Figure 15. Oil Strainer O-ring
Figure 16. Oil Strainer
Bolt A: (2) 16mm in length
Bolt B: (1) 25mm in length
NOTE
When installing the oil strainer to the
transmission valve body assembly, prevent
the O-ring from being caught and apply
pressure to the area below the A bolt at the
12 o’clock position as shown while keeping
the strainer level.
Prevent the transmission wiring from
getting caught between the transmission
valve body assembly and the
oil strainer.
C. Tighten the three bolts.
Apply Pressure Here
A
16 mm Bolt
B
25 mm Bolt
Torque: 10.8 N*m (110 kgf*cm)
© 2019 Toyota Motor Sales, USA
Page 11 of 12
T-SB-0150-16
Rev1
October 20, 2016
Page 12 of 12
CK313 CVT P2757 Valve Body Replacement
Repair Procedure (continued)
Valve Body Installation (continued)
4. Install the transaxle oil pan sub-assembly.
A. Install the NEW gasket.
NOTE
Using wipes (do NOT use brake cleaner), clean the mating surfaces of the transaxle oil pan
sub-assembly and the transmission case to remove grease, moisture and/or dirt.
B. Tighten the 16 bolts evenly, and
temporarily install the transaxle oil pan
sub-assembly to the transmission case.
Figure 17. Transaxle Oil Pan Bolts
NOTE
Prevent the transmission wiring from
becoming caught between the
transmission case and transaxle oil pan
sub-assembly by pushing wiring to
the center of transaxle.
C. Tighten the 16 bolts.
Torque: 7.8 N*m (80 kgf*cm)
D. Mount to overflow tube.
Torque: 1.7 N*m (17 kgf*cm)
E. Tighten the overflow plug with the gasket installed.
Torque: 40 N*m (408 kgf*cm)
5. Refill the CVT fluid.
Refer to TIS, applicable model and model year Repair Manual:
•
2014 / 2015 / 2016 / 2017 / 2018 / 2019 Corolla:
Drivetrain – CVT – “K313 CVT: Continuously Variable Transaxle Fluid: Replacement”
6. Clear the DTCs.
7. Using Techstream, perform a Health Check and confirm no current DTCs are present.
NOTE
If current DTCs are present, diagnose per Repair Manual procedures.
8. Test-drive the vehicle to confirm proper operation.
© 2019 Toyota Motor Sales, USA
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TSB/Document ID: T-SB-0150_16_Rev
Replacement Service Bulletin Number:
MFR Communication Date: 2019-09-03
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: POWER TRAIN
MFR Component System:
MFR Component Subsystem:
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