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.
