Variable-geometry turbocompressor specialists
Audi, Volkswagen, Mercedes, BMW, Skoda, Renault, Toyota, ...
When your variable-geometry turbo shows
pressure fluctuations or is seized, systematic replacement is not
the only solution.
Depending on the condition of your turbo, we offer two solutions :
Maintenance level no. 1
Removal of the turbine casing
Removal of the variable system and its accessories
Removal of the compressor casing
Ultrasonic inspection of the turbine casing, variable system and
degreasing in an ultrasonic bath
Descaling in an ultrasonic bath
After cleaning the variable system and its accessories in the two
ultrasonic baths, the turbine casing is sand-blasted to finish the
It is then immersed in phosphating bath to prevent rusting, which
restores its as new appearance.
We also systematically grind the sealing surfaces of the casing
(collector and exhaust sides). The rotor assembly is cleaned and
inspected on the V.S.R. test bench (noise, vibration and sealing
inspections). At this stage, if the rotor assembly is out of
tolerance, we notify you of the problem. If there is no particular
problem, we rebuild the assembly and check the actuator pressure.
- We then dispatch your turbo.
- Delivery lead time: 24/48 hours from receipt of your turbo on our
premises and from your agreement to proceed with work.
Maintenance level no. 2
Maintenance level no. 1 + complete overhaul including
replacement of the service kit (bearings, segments, seals and
other parts as necessary).
Before proceeding with level n°2, we send you a quote by fax or
We can supply:
- electro-valves, flowmeters and EGR valves
- a reassembly seal kit for each turbo.
For example, the seal kit for a TDI110 CV turbo P/N 038253019A
includes the collector, exhaust outlet, EGR valve, oil scavenge
and oil inlet seals.