2018 Chevrolet Equinox parts and specs

What changed for the 2018 Chevrolet Equinox

• 2018Generation launch on the D2XX platform, ~400 lb lighter than before; bolt pattern changes to 5x115; all engines turbocharged with auto stop/start

Known problems with the 2018 Chevrolet Equinox

6 of the 6 issues we track for the 2018–2024 generation are documented against the 2018 model year.

• 1.5T excessive oil consumption

  major

  The LYX 1.5L turbo drew widespread complaints, and class-action litigation, for burning oil, with owners reporting blue smoke on startup and low-oil warnings between changes. Suspected causes are piston/ring design and PCV behavior; GM handled cases with consumption tests (threshold: 1 qt per 2,000 mi) and repairs under powertrain warranty. Check the dipstick monthly; running low is what kills these engines and their turbos.

  Typical cost: Free under 5-yr/60k powertrain warranty if it fails the consumption test; $2,500–$4,500 for pistons/rings out of warranty

• Turbocharger failure (often oil-starvation related)

  major

  Turbo failures on the 1.5T, whining/grinding, loss of power, blue exhaust smoke, are commonly a downstream casualty of the oil consumption problem or oil-feed line coking. Oil pushed past turbo seals also mimics a failed turbo. Keep oil full and fresh; replace the feed line with the turbo.

  Typical cost: $1,500–$2,800 parts and labor

• Brake vacuum pump failure ("Service Brake Assist" message)

  major

  The 1.5T uses a cam-driven mechanical vacuum pump for brake assist. It wears or seizes, triggering a hard brake pedal with a "Service Brake Assist" message, and in the worst cases the pump's drive gear breaks and sheds debris into the cylinder head. Well documented across 2018–2022; replace promptly at the first warning.

  Typical cost: $400–$900 (pump); far more if debris damages the head

• "Shift to Park" message when already in Park

  minor

  A GM-wide defect this generation shares: a worn microswitch/contact in the shifter assembly makes the car think it isn't in Park, so it won't shut off and warns "Shift to Park." Jiggling the shifter is the classic workaround; the fix is a shifter assembly or switch replacement, addressed by GM TSBs and litigation on related models.

  Typical cost: $100–$450

• Transmission shudder and harsh low-speed shifts

  moderate

  Owners report torque-converter shudder (a highway-speed vibration like driving over rumble strips) and clunky 1-2 shifts on the 6-speed, addressed by GM TSBs calling for a fluid flush with updated Mobil 1 LV ATF HP and software; the 9-speed on 2.0T cars draws fewer but similar shift-quality complaints. Rarely a hardware failure when caught early.

  Typical cost: $200–$400 (fluid exchange per TSB); $1,500+ (torque converter)

• Diesel emissions/DEF system faults (1.6L)

  moderate

  The rare 1.6L diesel is mechanically stout but its emissions plumbing, NOx sensors, DEF heater/injector, EGR, generates check-engine lights and occasional reduced-speed countdowns. Parts are dealer-only and no longer common stock, so budget accordingly.

  Typical cost: $300–$1,200 depending on component

Full detail, costs and sources on the Chevrolet Equinox problems and years to avoid guide.