Timing belt kit CT1134K1/WP1/WP2 for Audi, Seat, Skoda and VW. Various 2.0 TDI Common Rail models, 1st generation

Problem

The supplied V56340 tensioning pulley differs visually from the pulley installed in the vehicle and seems as though it cannot be correctly tensioned.








Cause

In the original equipment, the pulley design as in Fig. 1 is installed. A slightly modified tensioning pulley is supplied for the aftermarket – see Fig. 2.










Solution


To set the tension correctly, the new design first has to be compressed as far as possible using the new nut on the stud bolt such that the “stirrup” fitted on the reverse of the baseplate can slide past the casting (maximum load stop): see Fig. 3.




 

Fault in the catalytic converter inlet sensor in the Suzuki Ignis II

On this occasion, we are going to repair a common fault that affects the Suzuki Ignis II 1.3 (M13A), manufactured from 2003.

SYMPTOMS

The symptoms shown in this incident are:

- Engine failure lamp (MIL) on

- On reading the fault codes in the engine control module (ECM) with the diagnostic tool, we see code P0420 is recorded (Catalyst system efficiency below threshold on bank 1).

CAUSE

The cause of this anomaly is due to a fault in the inlet sensor (sensor 1) of the catalytic converter.

REMEDY

The repair procedure for this fault is to measure the temperature with a thermometer at the inlet to the catalytic converter and to take another measurement at the outlet, and check that the inlet temperature is lower than the outlet temperature. If this is the case, directly replace the converter gas inlet sensor 1, because, as we say in this newsletter, it is a common fault and this solution is not always correct.

To assure yourself that the incident has been resolved, check that the exhaust gas system is operating correctly by means of a road test and the deletion of all the engine control module (ECM) fault codes.

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