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- Remove inlet pipe, downpipe (we recommend SeaFoam Deep Creep penetrating oil on cold hardware, let soak 1 hour), and disconnect all oil, water and vacuum lines going to OEM turbo.
- Remove OEM turbo.
- Remove OEM wastegate actuator with linkage attached. (DO NOT undo the linkage, it should be a direct swap, fine tuning may be necessary.)
- Prepare RS-550 turbo by installing BOV over the included shim and insert hose over barb. Next, install water lines with 90° fitting on the top/side port and 60° fitting on the bottom/side port. Install oil drain hose with 45° fitting on the bottom of the turbo. Tighten fittings before installing turbo in the orientation shown in the photos.
- Install OEM wastegate actuator and linkage.
- Carefully install turbo to cylinder head with new supplied gasket. Torque head bolts to OEM specs.
- Connect BOV vacuum line to engine hard line.
- Connect charge elbow to turbo and torque to OEM specs.
- Connect the lower water hose to the water pump barb on engine using the OEM clamp.
- Connect upper water hose to the hard line that mounts to the inlet pipe using OEM clamp.
- Connect oil drain hose to the return port on the block using OEM clamp.
- Prime turbo by squirting a small amount of engine oil into the oil feed port (small syringe works well). Next, install the pre-fit oil feed line using your existing block o-ring, loosely install banjo bolt on top port of turbo with provided crush washers. Thread OEM bolt into block and tighten. Tighten oil feed banjo bolt to approximately 17lb/ft. Less may be required to achieve a leak free seal, but be aware that the center housing is aluminum and can easily be cross-threaded or over-torqued.
- Re-install turbo brace, downpipe with existing gasket, install inlet pipe with NO GASKET (o-ring seal is integrated in new turbo), and any other aftermarket accessories associated with your vehicle.
- We recommend that you perform an oil change with any new turbo install.
