Introduction: Why the Garrett GTX2867R on Your 2.7T Engine?

If you own an Audi or Volkswagen with the 2.7-liter twin-turbo V6 (the 2.7T, a legendary engine platform), you already know its potential. The stock turbochargers are capable, but upgrading to a modern ball-bearing unit like the Garrett GTX2867R transforms the driving experience. This turbo offers quicker spool, higher flow capacity, and better thermal efficiency compared to the factory K03s or even older hybrid units. Whether you’re building a street car or a track-day weapon, the GTX2867R provides a significant mid-range pull without sacrificing top-end power. This guide expands beyond a basic removal-and-replacement procedure into a comprehensive installation manual, covering preparation, clearancing, oil system modifications, and post-installation checks. Expect to spend a weekend on the job if you’re experienced, or a full week if it’s your first turbo swap on this platform.

Tools, Materials, and Specialised Parts

Essential Tools

  • Metric socket set (6-19 mm deep and shallow)
  • Combination wrenches (10, 13, 15, 17, 19 mm)
  • Torque wrench (ft-lb and in-lb ranges)
  • E-Torx sockets (E10, E12, E14 for 2.7T specific bolts)
  • Long reach pliers and angled hose picks
  • Oil filter wrench and drain pan
  • Vacuum/pressure test kit (optional but recommended)

Parts Required for the GTX2867R Swap

  • Garrett GTX2867R Gen II turbo (48mm inducer, 54mm exducer, 0.63-0.85 A/R turbine housing)
  • Turbo installation gasket set (manifold gaskets, exhaust gaskets, oil return line gaskets)
  • Precision or modified coolant fittings (Eaton-style quick connect or M14x1.5 to AN adapters)
  • Oil feed line adapter (M10x1.0 to -4AN) and stainless steel braided hose
  • Oil drain line kit (push-loc or -10AN, with 1/2″ NPT to -10AN adapter)
  • Upgraded wastegate (Tial MVR or Turbosmart) if staying external gate
  • Intercooler pipe couplers and T-bolt clamps (2.5″ to 3″)
  • New exhaust manifold studs, lock washers, and nuts

Shop Supplies

  • Brake cleaner, white lithium grease, anti-seize compound
  • High-temp silicone sealant (Permatex Ultra Copper)
  • Rags, disposable gloves, safety glasses

Preparation & Safety

Park the vehicle on level ground and let the engine cool completely (at least four hours, preferably overnight). The 2.7T engine bay is tight—working on a hot turbo is not only dangerous but can damage the new parts. Disconnect the negative battery terminal; the ECU can still hold residual charge, so wait 15 minutes before touching electrical components. If you have a soft ECU map, consider using a battery tender to avoid losing learned adaptations (though you will likely need a full tune anyway). Drain the engine oil and coolant partially (you’ll need to remove the oil filter housing and coolant pipes). Label all electrical connectors with masking tape and a sharpie—there are at least a dozen plugs around the turbos that look identical.

Removing the Original Turbocharger(s)

Access Preparations

On a 2.7T, the turbos sit low in the V of the engine, buried under the intake manifold, vacuum lines, and coolant pipes. Remove the air box and intake ducting, then unbolt the Y-pipe and throttle body elbow. Partially drain the coolant system (open the coolant expansion tank cap and the lower radiator hose). This job is much easier with the front bumper and crash bar removed, especially if you need access to the intercooler pipes. Disconnect the oil return lines from the block (they often have spring clamps; cut them off and replace with screw-clamps). Unbolt the catalytic converter downpipes from the turbine outlet.

Unbolting the Stock Turbo

Apply penetrating oil to the exhaust manifold-to-turbo bolts a day in advance. Using a long extension and swivel socket, remove the three nuts securing each turbo to the manifold. The top two nuts can be reached from above; the lower one requires going underneath. Lift the turbo slightly while detaching the oil feed line (banjo bolt) and coolant line (often quick-connect). Do not force the turbo—rock it gently free. Clean all gasket surfaces with a razor blade and brake cleaner. Inspect the manifold for cracks or warping; the 2.7T manifolds are prone to cracking near the wastegate port. If you see any signs, send them out for repair or replace with T6 billet manifolds.

Installing the Garrett GTX2867R

Modifying Oil and Coolant Lines

The GTX2867R uses ball bearings that require a dedicated oil feed with a restrictor (usually included). Do not use the stock banjo bolt; instead, install an M10x1.0 -4AN adapter to the block oil port. Use a -4AN braided hose with a 0.035″-0.050″ restrictor integrated at the turbo end. The coolant inlet is typically 1/8″ NPT on the GTX2867R; adapt from the stock quick-connect fitting using a custom fitting (many suppliers offer ready-made kits for the 2.7T). The oil drain requires a -10AN or 5/8″ push-loc hose—use the supplied adapter or weld a 1/2″ NPT bung into the oil pan to avoid draining back into the turbo, which can cause oil to pool and smoke.

Mounting the Turbo to the Manifold

Apply a thin film of high-temp anti-seize to the studs. Slide the GTX2867R onto the manifold, ensuring the turbine housing aligns correctly (some 2.7T manifolds need notching for the larger turbine housing). Hand-tighten the turbine flange nuts. Torque to 25 ft-lb in a star pattern using a torque wrench. Do not over-tighten—the thin-wall housing can distort. Reinstall the wastegate (if using an external gate, mount it to a custom dump pipe on the turbine housing or manifold). The GTX2867R typically comes with a V-band outlet; if you’re retaining the stock downpipe, you’ll need an adapter or a custom downpipe section.

Connecting Oil and Coolant Lines

Attach the oil feed line to the turbo inlet using crush washers (GARRETT spec: tighten to 18 ft-lb). Connect the coolant lines—use new o-rings at the block side. Ensure the lines are not touching the exhaust manifold or frame—use zip ties to secure them. The oil drain line should run straight down with a gentle slope back to the pan; avoid kinks. Torque the drain adapter to the turbo housing to 20 ft-lb.

Reassembly of the Engine Bay

Reinstall the intake system: intercooler piping, throttle body, air box. Use new gaskets on the coolant Y-pipe. Reconnect the vacuum lines according to your labeling. If you removed the front bumper, now is the time to reinstall the crash bar, but double-check all intercooler couplers before tightening the bumper. Refill the engine with the recommended oil (5W-40 or 10W-50 depending on build) and coolant (G12 EVO or equivalent). Prime the turbo by cranking the engine with the fuel pump fuse removed until oil pressure builds (you’ll see oil at the turbo drain after 10-15 seconds). Reinstall the fuel pump fuse and start the engine. Let it idle for 20 minutes, checking for leaks. Then take the car for a gentle drive, slowly increasing boost to seat the rings and bearings.

Post-Installation Tuning and Testing

The GTX2867R will not run properly on the stock ECU tune. You will need a custom tune from a reputable 2.7T tuner (like 034Motorsport or MRM Performance). They will adjust fuel maps, boost control, and ignition timing. Expect to achieve 400-500 whp on a built engine with proper fueling and supporting mods. Perform a boost leak test using a 2.5″ plug and a bicycle pump—any leak at the intercooler boots or throttle body will hurt performance. After the first 500 miles, check the turbo shaft play and re-torque the oil line fittings (they can loosen as the gaskets settle).

Conclusion

Installing a Garrett GTX2867R on a 2.7T is a labor-intensive but rewarding upgrade. It transforms the engine from a mild, laggy daily driver into a responsive powerhouse. Follow the steps carefully, invest in quality gaskets and lines, and don’t skip the tune. With proper installation, the GTX2867R will deliver reliable performance for tens of thousands of miles. For technical specifications and official documentation, visit Garrett Motion and consult the AudiZine 2.7T forum for community-tested setups.