Transmission Judder In Lock-Up

Transmission judder in lock-up

Checking oil grade and oil level in transmission

Caution! Transmission oil grade and level are extremely important for transmission function. Therefore it is imperative that these are correct. However, oil level is dependent on oil temperature.




- Ignition on.
- Read off oil temperature.
Check both oil level and grade.

Other information:
- Check the oil level.
- Check the oil grade.
Remedy as necessary.









Were oil level and grade OK?

Yes - Checking noise in transmission

No - Verification

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Checking noise in transmission
- Test drive the car according to Test Drive Form, description Test Drive Form, Description.
- Check for any clearly audible noises from the transmission. Check for malfunctions.





Is transmission function OK ?

Yes - No Fault Found

No - Replacing the transmission

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Replacing the transmission
Earlier tests indicate that there is a fault in the transmission.
Replace the transmission according to Removing the transmission Transmission, Removal.





Continue - Verification

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Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reconnect the connectors, components, etc.
- Ignition on
Test drive the vehicle following: Test drive schedule, description Test Drive Form, Description
During the test drive, oil temperature should be over 20 °C.
Note any deviations in transmission function.

Does the transmission function flawlessly?

Yes - VERIFIED

No - VERIFICATION FAILED

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VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit fault-tracing

No - Attempt New Test


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