2.7L Turbo Engine Complete Assembly for 2022-2026 Chevrolet & GMC

A quick look at your own vehicle makes sure the right engine shows up:

• Verify the 8th digit of your VIN is 'K'.
• Confirm drivetrain configuration (2WD vs. 4WD) to determine if you need to transfer your original oil pan, oil pickup tube, and front differential mounting brackets.
• Acknowledge that you must transfer your original turbocharger, wastegate actuator, and high-pressure fuel lines, and ensure your current turbocharger is in reusable condition.

What the install really takes — plan and budget with confidence:

Special tools this job needs:

• EN-52461 Camshaft Timing Tool Kit / Camshaft Torque Reaction Tool
• GM GDS2 Diagnostic Scan Tool
• GM EN-52462-A Camshaft Alignment Tools
• GM EN-52476 Flywheel Locking Tool
• Timing Chain Retention Tool

Budget for these consumables at install:

• 6.0 quarts of full synthetic 5W-30 oil meeting GM dexos1 Gen 3 specification
• ACDelco PF66 (or equivalent high-quality) oil filter
• 3 to 4 gallons of pre-mixed 50/50 Dex-Cool coolant
• High-Pressure Fuel Feed Intermediate Pipe (GM Part No. 12663312) - single-use only
• Intake manifold gasket set
• Turbocharger mounting gasket and oil/coolant line O-rings
• Fuel injector seals
• Thermostat housing / water outlet seal and thermostat
• Fresh set of OEM ACDelco iridium spark plugs
• Rear main seal, front crankshaft seal, valve cover gaskets, and oil pan gasket (best practice)
• Torque-to-yield (TTY) bolts (if any are removed during transfer/disassembly)

What your vehicle’s computers will need after the swap:

What’s involved: Turbocharger Wastegate Learn, Fuel Injector Flow Rate Programming, Crankshaft Position (CKP) Relearn, and ECM Security/Immobilizer Remarriage

A GM-specific scan tool (like GDS2 or Tech 2) is required to perform the security relearn, CKP variation relearn, Turbocharger Wastegate Learn, and any necessary software flashing. If using the replacement engine's injectors, their unique flow-rate calibration codes must be programmed into the ECM.

Pro tips for a smooth first start-up — hand them to whoever does the install:

• Electronic Wastegate Sensitivity: Handle the electronic wastegate actuator with extreme care. Do not manually force the actuator arm. Perform the GDS2 'Wastegate Learn' before driving.
• Wiring Harness Routing: Ensure the harness is securely clipped into all factory brackets to prevent it from rubbing against the sharp metal edges of the camshaft carrier cover.
• Integrated Exhaust Manifold Torque: Use extreme caution when bolting up the exhaust downpipe to the aluminum cylinder head. Use a new gasket, apply anti-seize, and torque strictly to factory specifications.
• Torque-to-Yield (TTY) Bolts: These are single-use bolts and must be replaced if removed.
• Timing Tools: Do not attempt to service the timing chain or camshafts without the correct locking and alignment tools (EN-52461, EN-52462-A, EN-52476).

Easy to get right once you know them:

• Reusing the High-Pressure Fuel Line: Reusing this single-use pipe almost always results in a high-pressure fuel leak and severe fire hazard.
• Skipping the Wastegate Relearn: Failing to run the GDS2 calibration after transferring the turbocharger causes immediate limp mode and fault codes.
• Using the Wrong Oil Specification: Using standard 5W-30 instead of GM dexos1 Gen 3 certified oil leads to rapid oil breakdown, carbon buildup, and timing chain wear.
• 'Babying' the Engine Post-Install: Excessively low RPM driving prevents proper piston ring seating and increases carbon buildup on direct-injection intake valves.
• Not Verifying the VIN: Ordering without confirming the 8th digit of the VIN is 'K'.
• Ignoring the 'LESS TURBO' Note: Expecting the turbocharger to be included with the assembly.
• Not Cleaning Ancillary Parts: Failing to clean metal debris from the original engine failure out of the transferred turbocharger, intercooler, and plumbing.

Not issues with the units on this page — the manufacturer documented these for every engine of this family, wherever you buy one. Handy for your installer: