2.0L Twin-Charged Turbo/Supercharged Engine Assembly for 2018-2022 Volvo

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

• Verify the 4th and 5th digits of the VIN are 'A2'.
• Verify the engine code on the timing belt cover barcode label is 'B4204T27'.
• Confirm drivetrain configuration (FWD vs AWD) to prepare for potential oil pan and bracket transfers.

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

Special tools this job needs:

• Volvo Oil Filter Socket (OEM P/N 999 7499)
• Volvo Engine Timing Tool Kit (OEM P/N 999 7490 / 999 7497 series)
• Fuel Injector Puller/Installer
• Magnetic 14mm Spark Plug Socket
• Volvo VIDA software subscription
• J2534 compliant pass-thru device
• Triple square socket set

Budget for these consumables at install:

• Timing Belt Kit (belt, tensioner, and idler pulley)
• Crankshaft Diamond Friction Washer
• Spark Plugs (Genuine Volvo or OE Denso P/N 32290011)
• Engine Oil (approx. 5.6 Liters / 5.9 quarts of 0W-20 meeting Volvo VCC RBS0-2AE specification)
• Oil Filter (P/N 32140029)
• Coolant (Volvo-approved phosphate-free G48 blue coolant)
• Gaskets & Seals (intake/exhaust manifold, valve cover, and turbocharger gaskets)

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

What’s involved: TCM (Transmission Control Module) Adaptive Relearn, ECM (Engine Control Module) Adaptation Resets, and Module Synchronization

While the engine will physically run using the original ECU, you must perform adaptation resets and synchronize the replacement engine's sensors with the Central Electronic Module (CEM) and immobilizer using Volvo's proprietary VIDA software and a J2534 pass-thru device.

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

• Direct Fuel Injector Seals: Must replace Teflon combustion chamber seals with a special sizing tool if transferring original injectors to prevent high-pressure fuel leaks.
• Crankshaft Pulley Slippage: The crankshaft gear is not keyed. Reusing the old crank bolt or diamond friction washer will cause the engine to jump timing and bend valves.
• Fragile Supercharger Ducting: Plastic pipes and bypass valves become brittle and can develop hairline cracks, causing boost leaks.
• Drivetrain Oil Pan Transfer: If swapping between FWD and AWD configurations, you must transfer the original oil pan, passenger-side axle bracket, and intermediate shaft.
• Ground Straps: Ensure all engine and transmission ground straps are clean and securely reconnected to avoid electrical issues.

Easy to get right once you know them:

• Using the Wrong Engine Oil: Using standard 0W-20 or 5W-30 instead of oil meeting the strict Volvo VCC RBS0-2AE standard, which accelerates piston ring clogging.
• Reusing Torque-to-Yield Fasteners: Reusing critical single-use stretch bolts (like the crankshaft pulley bolt or head bolts) leading to catastrophic failure.
• Dropping Spark Plugs During Installation: Dropping plugs down deep wells can close the electrode gap and cause immediate misfires.
• Skipping the VIDA Adaptation Reset: Attempting to run the new engine without resetting TCM/ECM adaptations and module synchronization.
• Ignoring the 'Less Turbo' Note: Assuming the T6 engine includes the turbocharger when this specific unit requires transferring your original turbo.

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: