A turbocharger is a type of forced air induction device that utilizes exhaust driven impellers to compress an engine's air intake charge. The impellers in a turbocharger often reach speeds in excess of 28,000 rotations per minute, or 466 rotations per second, which generates immense amounts of friction heat. This combination of heat and rotational friction causes a lot of wear and tear on the turbocharger, and as a result, the turbocharger must be rebuilt every few years. The rebuild process is fairly complex and should only be attempted by someone with previous mechanical experience.
Disassemble the turbocharger in its entirety. Start by removing the ½ inch wastegate retaining bolts and removing the wastegate elbow. Remove all of the turbine housing bolts and turbine center section. Remove the 13mm bolts and metal retainers from the compressor housing and remove the housing. Remove the 7/16 inch nut securing the compressor wheel and remove the wheel.
Pull the turbine wheel and shaft out of the center section. Remove all of the 10mm nuts securing the compressor seal plate and remove the plate. Remove the turbine journal shaft bearing snap rings and bearings.
Soak the bearing housing in carburetor cleaner and check to make sure all oil passages are clear. Remove the old turbine shaft and clean off all carbon deposits. Install the replacement turbine shaft seal.
Send the turbine shaft and turbine to a third party for proper balancing. This step is not 100% necessary, but is a good idea.
Pack the journal bearings and shaft with Torco assembly lube. Install replacement bearings and seals.
Perform step one in reverse order to re-assemble the turbocharger.
