Vectra C 2002 To 2004, Signum 2003 To 2004 - Engine Type: Z22 (SE - Vectra, YH - Signum), Z32SE, Y22DTR
AF23/33 Transmission - No Driving Torque Because Of Cooling Water In Transmission
Option: AF23/33 Transmission
In isolated cases the customer complains of a loss of drive and the following symptoms may be diagnosed:
- Failure codes P0700, P0715 or P0720 set
- Slight loss of cooling water
- Sediment in coolant expansion tank
This is caused by improper function of the seal ring at the oil cooler connection, which can cause the penetration of a small quantity of cooling fluid into the transmission oil.
An improved oil cooler / radiator has been introduced in production as of the following VINs:
Russelsheim - W0L0ZCF3541042598
Ellesmere Port - W0L0ZCF6848035197
In case of customer complaint, rework vehicles as described in Customer Satisfaction Program 06-R-016 (Vectra-C, Signum - Radiator) and Special Policy Program 06-P-017 (Vectra-C, Signum - Transmission Ventilation Hose).
Additionally it is essential to perform the following action:
- Clean oil cooler hoses by compressed air
- Flush oil cooler with approximately 200 ml ATF
- Coolant to be checked (e.g. ATF in coolant expansion tank) and to be replaced if necessary
Note: Please remove TSB 05-FR-27 from your records as it is no longer valid
TIS Number: E0001650
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