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Revotron 1.2T

44

E. Brake Binding :

During driving apply brakes number of times

and then shift gear to neutral position and

check free rolling of vehicle. Check brake

drums/brake discs for overheating and if

necessary jack up the vehicle and check

wheels for free rotation.

F. Turbocharger :

Check for Tuning

1. Check intactness of actuator rod end.

2. Collapsed or restricted air pipe before

turbo

3. Check for crank bent or actuator rod bend

or hose pinch.

4. Restricted or damaged cross over pipes

turbo to inlet manifold

5. Foreign object between air cleaner and

turbo

6. Compressor./ Turbine Wheel damage due

to Foreign object entry

7. Turbine bolts, Compressor bolts, actuator

bracket bolts, or Clamps loose.

8. Check Air filter for any blockage

9. Check for excessive back pressure.

The Paint seal should not be broken.

If not OK the turbo charger must be

replaced.

Check Turbocharger compressor wheel

damage

1. Disconnect Compressor Air inlet pipe.

2. Inspect compressor wheel blade.

3. There should be no visible damage.

If damaged, the turbo charger must be

replaced

The entire air circuit must be cleaned or

changed to avoid new failure in case of

foreign object

The foreign object can be found in the

heat exchanger

Check Turbocharger rotor movement

1. Check rotor movement, it should spin

freely.

2. There should be no trace of contact with

housing.

If not OK the turbo charger must be

replaced

Check Turbocharger Turbine wheel damage

1. Disassemble Turbocharger or exhaust

gas connection.

2. Inspect turbine wheel rotor damage.

you need to look behind the blades,

damages are often located in tip area

If damaged, the turbo charger must be

replaced

The foreign object can be found in the

catalyst or in the particulate filter

Back to back swap test with a new

turbocharger

After all the diagnostic, and if nothing

wrong is found, it may be recommended

to test with a new turbocharger and

decide on turbo replacement.