2018–2024 Buick Enclave · common problems & known faults

9-speed automatic harsh or delayed shifts.

Typically appears

Any

What to inspect

Test-drive through low-speed shifts.

3.6L V6 timing-chain wear and stop/start faults.

Typically appears

80,000+ miles

What to inspect

Listen for chain rattle on start; test stop/start.

Infotainment reboots and camera faults.

Typically appears

Any

What to inspect

Test the screen and cameras.

Electronic parking-brake and ABS module faults.

Typically appears

Any

What to inspect

Check for warning lights; test the parking brake.

Clunking or popping noise when turning the steering wheel at low speeds or over small bumps.

Typically appears

40,000-70,000 miles

What to inspect

With the engine running and the vehicle stationary, turn the steering wheel lock-to-lock rapidly. Listen for a distinct mechanical clunk or feel for play in the steering column.

Power boot lid fails to open fully, drops unexpectedly, or makes a grinding noise during operation.

Typically appears

50,000-80,000 miles

What to inspect

Operate the power boot using the key fob and the interior switch. Observe for smooth travel, listen for motor strain, and ensure the struts hold the tailgate in its fully open position.

Rough idle, difficulty starting immediately after refuelling, and an illuminated engine management light due to EVAP purge valve failure.

Typically appears

30,000-60,000 miles

What to inspect

Start the engine from cold, open the bonnet, and listen for an excessively loud ticking noise near the inlet manifold. Check the instrument cluster for an active engine management light.

Damp carpets in the front footwells or water staining on the headlining caused by blocked sunroof drains.

Typically appears

4-6 years

What to inspect

Press firmly on the front footwell carpets to check for dampness. Inspect the headlining around the sunroof aperture and A-pillars for water rings, mould, or discolouration.