The 2019 Buick Envision, particularly with the 2.0L turbo, suffers from catastrophic engine failures due to piston/ring defects and cooling system issues that destroy bottom ends. These problems have generated class-action lawsuits and can strike well before 100,000 miles.
Symptoms: Excessive oil consumption (1 qt per 1,000 mi or worse), Low oil pressure warning followed by knocking/rattling, Metal shavings in oil, loss of compression, Sudden engine seizure or rod bearing failure
Fix: Requires complete engine replacement or full rebuild with new pistons, rings, bearings, machine work on crank and block. 18-25 labor hours for R&R plus rebuild time. Many shops opt for reman long block swap.
Estimated cost: $8,000-14,000
Transmission Oil Cooler Line Failure
Common · high severity
Typical onset: 50,000-90,000 mi
Symptoms: Transmission fluid leaking near radiator or under vehicle, Transmission overheating warnings, Erratic shifting or delayed engagement, Pink fluid mixing with coolant (cooler ruptured internally)
Fix: Replace transmission oil cooler lines and fittings; if cooler failed internally, full transmission flush and inspection required, sometimes torque converter replacement. 3-6 hours depending on internal contamination.
Estimated cost: $800-2,500
Head Gasket Failure (2.0L Turbo)
Occasional · high severity
Typical onset: 60,000-100,000 mi
Symptoms: White smoke from exhaust, sweet smell, Coolant loss with no visible leak, Overheating, fluctuating temp gauge, Milky oil on dipstick or oil cap
Fix: Both head gaskets, head resurfacing, new head bolts, coolant flush. Often find warped head requiring machine work or replacement. 12-16 hours labor. Frequently uncovers additional piston/ring damage requiring full engine work.
Estimated cost: $3,500-5,500
Transmission Mount Failure
Common · medium severity
Typical onset: 50,000-80,000 mi
Symptoms: Clunking when shifting from Park to Drive/Reverse, Excessive vibration at idle, Visible sagging or torn rubber on mount, Driveline shudder during acceleration
Fix: Replace transmission mount assembly. Access requires partial subframe drop or lowering of transmission. 2-3 hours labor.
Estimated cost: $400-700
Fuel System Contamination/Filter Issues
Occasional · medium severity
Symptoms: Hard starting or extended cranking, Loss of power, hesitation under load, Check engine light with fuel pressure codes, Rough idle or stalling
Fix: In-tank fuel filter and pump assembly typically needs replacement as unit. Tank drop required. If contamination present, full fuel system cleaning and injector service needed. 3-4 hours for pump, add 2-3 for injectors.
Estimated cost: $800-1,800
Timing Chain Stretch/Guide Wear (2.0L Turbo)
Occasional · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Rattling noise on cold start that fades after warm-up, Check engine light with cam/crank correlation codes, Rough running, misfires, Loss of power
Fix: Timing chain, guides, tensioner, and variable valve timing components. Front cover removal, often combined with water pump replacement. 8-12 hours labor.
Estimated cost: $2,200-3,800
Owner tips
Check oil level every 500 miles on the 2.0T — consumption is an early warning sign
Change oil every 5,000 miles maximum with quality synthetic; extended intervals accelerate ring/bearing wear
Inspect transmission cooler lines at every service; early replacement at 50k can prevent catastrophic trans damage
Pre-purchase inspection MUST include compression test and oil consumption check on 2.0T engines
Consider extended warranty if buying used; engine replacement costs exceed vehicle value quickly
Avoid the 2.0L turbo unless you have documentation of engine replacement under warranty — this platform has fundamental design defects that make it a financial time bomb.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: AGM battery required for start-stop system; located under hood
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Control Modules — 2019 Buick Envision
Every control module on the 2016-2020 Buick Envision — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
Seat Control Module (SCM)0.6 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Under front seats, driver and/or passenger side
🔧 GM GDS2 or aftermarket
⚠️ Memory seat relearn required if equipped; heated/ventilated seat calibration
Rear Vision Camera Module (RVCM)0.5 hr R&Rrelearn only +0.2 hr▸ programming details
📍 Rear liftgate, integrated into liftgate handle or trim
🔧 GM GDS2 or aftermarket
⚠️ Camera alignment calibration may be needed; dynamic guidelines configuration
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2019 Buick Envision 2.0L Turbo I4 and can vary by trim.
🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years.