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Buick · Known Issues

2008-2020 Buick Enclave Problems: 13 Known Issues

2008-2020 model years · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026

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Issue summary

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2020 Buick Enclave has 13 documented known issues, with 9 rated critical. The most serious are 2008 Enclave Heated Washer Fluid Heater Short Circuit (Recall 08V441), Buick Enclave Shift Cable Adjustment Clip Recall (09V073000) — Vehicle May Roll Away, Heated Washer Fluid Module Can Ignite — Recall 10V240000, Excessive Oil Consumption / Engine Failure on 3.6L ($1,500-$6,500 repair), Loss of Power Steering Assist (Pump Wear), Enclave Power Steering Assist Loss — Special Coverage Adjustment 14329 ($0-$1,400 repair), Enclave 3.6L LLT Timing Chain Stretch + Oil Consumption ($2,500-$6,500 repair), Stretched/Worn Timing Chain on 3.6L V6 ($3,200-$3,400 repair) and 6T70/6T75 Transmission Wave Plate Failure ($2,500-$4,500 repair). Across all issues with published estimates, repair costs range from $200 to $6,500. DIY maintenance guides at au7o.io.

In This Article

  • Enclave Engine3
  • Enclave Transmission3
  • Enclave Electrical2
  • Enclave Steering2
  • Enclave HVAC2
  • Enclave Cooling1
  • Recalls11
  • FAQ
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In This Article

  • Engine3
  • Transmission3
  • Electrical2
  • Steering2
  • HVAC2
  • Cooling1
  • Recalls11
  • FAQ

All 13 Known Issues

NHTSA Recalls11 recalls

TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT4, XT5, Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, Traverse, GMC Yukon, Yukon XL, 2018-2021 Chevrolet Express, GMC Savana, 2019-2020 Chevrolet Blazer, Silverado 1500, GMC Acadia, Sierra 1500, and certain Continental tires sold to the aftermarket for various model year 2018-2021 vehicles. The affected tires were cured for too long during production.

Campaign #21V11500025/02/2021

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, Cadillac XT6, Chevrolet Traverse, and GMC Acadia vehicles. The fuel pump's jet nozzle may have a plastic burr remaining from the manufacturing process, possibly causing a blocked nozzle and an insufficient fuel supply to the engine.

Campaign #20V63900015/10/2020

AIR BAGS:FRONTAL:DRIVER SIDE:INFLATOR MODULE

General Motors, LLC (GM) is recalling certain 2014-2017 Buick Enclave, Chevrolet Traverse, and GMC Acadia vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.

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Frequently Asked Questions

What are the most common Buick Enclave problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2008-2020 Buick Enclave has 13 documented issues. The most frequently reported are: 2008 Enclave Heated Washer Fluid Heater Short Circuit (Recall 08V441), Buick Enclave Shift Cable Adjustment Clip Recall (09V073000) — Vehicle May Roll Away, Heated Washer Fluid Module Can Ignite — Recall 10V240000. Of these, 9 are rated critical and should be addressed promptly.

Is the Buick Enclave reliable?

The 2008-2020 Buick Enclave has 13 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 9 issues are rated critical: 2008 Enclave Heated Washer Fluid Heater Short Circuit (Recall 08V441) and Buick Enclave Shift Cable Adjustment Clip Recall (09V073000) — Vehicle May Roll Away and Heated Washer Fluid Module Can Ignite — Recall 10V240000 and Excessive Oil Consumption / Engine Failure on 3.6L and Loss of Power Steering Assist (Pump Wear) and Enclave Power Steering Assist Loss — Special Coverage Adjustment 14329 and Enclave 3.6L LLT Timing Chain Stretch + Oil Consumption and Stretched/Worn Timing Chain on 3.6L V6 and 6T70/6T75 Transmission Wave Plate Failure. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Buick Enclave problems?

Repair costs for known Buick Enclave issues range from $0 to $6,500, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Buick Enclave is the most reliable?

Reliability varies across model years of the Buick Enclave. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2008-2020 Buick Enclave with 13 documented issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports.

Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.

Data compiled from NHTSA recalls, manufacturer TSBs, automotive forums, and AI-assisted research. No aggregated owner-report counts available for this vehicle yet.

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Higher-mileage first-generation Enclaves with the 3.6L V6 (worst on the 2008-2010 cars) can burn oil excessively, and in the most severe cases the engine fails outright, including reports of a hole punched in the block. The condition is linked to the same engine's timing-chain/oiling weaknesses and is addressed in GM's diagnostic guidance (PIP5084). Owners who don't monitor oil level risk progressive engine damage.

This issue also affects: Buick Cascada, Buick Encore, Buick LaCrosse

Common Symptoms

  • Frequent need to add oil between changes
  • Blue exhaust smoke
  • Low oil pressure / oil light
  • Knocking or engine failure in severe cases

How to Fix

Diagnose per GM PIP5084; remedies range from PCV/oil-control updates to, in severe consumption or block-failure cases, engine replacement (around $6,500). Check oil frequently between changes as a stopgap.

Typical repair cost:$1,500 - $6,500

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High ConfidenceVerifiedReviewed Jun 2026

Early Enclaves (2008-2012, plus shared Traverse/Acadia/Outlook) with the 3.6L LLT direct-injection V6 share LaCrosse's timing chain stretch and a separate excessive-oil-consumption issue. The PCV system pulls oil into the intake, intake valves carbon up (no port injection to wash them), and the chain wears prematurely from stretched OLM intervals.

This issue also affects: Buick Cascada, Buick Encore, Buick LaCrosse

Common Symptoms

  • cold start rattle
  • oil consumption (1 qt/1,000 miles)
  • misfire
  • rough idle

How to Fix

Timing chain replacement ($2,500-$4,500 with 3-row crossover labor premium). Walnut-blast intake valve carbon at the same time ($300-$500). PCV system update per TSB. Some owners refuse the chain job at this mileage and trade — failure can mean total engine replacement ($6,000+).

Typical repair cost:$2,500 - $6,500

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The 3.6L (and 2.8L) high-feature V6 in 2008-2013 Enclaves is prone to timing chain stretch and worn chain guides/tensioners, sometimes appearing as early as 40,000-60,000 miles. As the chain elongates, valve timing drifts, triggering misfires and a rattle at idle/startup; if a chain jumps a tooth it can bend valves and cause catastrophic engine damage. GM acknowledged the defect (occurring even with regular oil changes) and issued Special Coverage Adjustment #11340C extending the chain warranty to 10 years/120,000 miles on affected engines.

This issue also affects: Buick LeSabre, Buick Park Avenue, Buick Cascada

Common Symptoms

  • Rattling noise at idle or cold startup
  • Check engine light
  • Engine misfire / rough running
  • Reduced engine power message
  • Metal shavings in oil

How to Fix

Replace the timing chains, guides, and tensioners (a full front-of-engine job). If covered under GM Special Coverage #11340C the repair is free up to 10yr/120k mi; otherwise it is an out-of-pocket repair. Keeping oil changes current and using correct-spec oil slows wear.

Typical repair cost:$3,200 - $3,400

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High ConfidenceVerifiedReviewed Jun 2026

GM recalled 2009 Buick Enclave models under NHTSA campaign 09V073000. On some Enclaves the transmission shift cable adjustment clip may not be fully engaged, which allows the position of the shift lever to disagree with the gear the transmission is actually in. The danger is at the end of the drive: the driver can select PARK and remove the key while the transmission is not in park, leaving a large crossover free to roll away with no one in it. NHTSA also notes the driver may be unable to restart the vehicle. The recall is written as a noncompliance with FMVSS 102 and FMVSS 114.

Common Symptoms

  • Shift lever indicates PARK but the transmission is not in park
  • Enclave rolls away after the driver has exited
  • Vehicle will not restart

How to Fix

The repair is free at a Buick dealer. The dealer inspects the transmission shift cable adjustment clip and ensures it is fully engaged; if it does not engage, the shift cable is replaced at no charge. The remedy was available on or before March 24, 2009. Buick's number for this campaign was 1-866-608-8080. The quickest current check is to enter your Enclave's VIN at nhtsa.gov/recalls — open recalls are repaired free regardless of the vehicle's age.

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First-generation Enclaves (2008-2017) use the 6T70/6T75 6-speed automatic, whose stamped-steel 35R wave plate can crack at the teeth after enough shift cycles. When it fractures, the transmission abruptly loses 3rd, 5th, and reverse gears, and debris can damage the valve body, drums, and torque converter. Failure typically occurs in higher-mileage 2008-2012 builds.

This issue also affects: Buick Encore GX, Buick Regal, Cadillac Escalade

Common Symptoms

  • Sudden loss of 3rd, 5th and reverse gears
  • Slipping or no movement
  • Harsh or no shifts
  • Check engine / transmission warning light

How to Fix

Disassemble and rebuild the transmission with an updated/stronger wave plate, plus replace damaged hard parts and clean out debris; in severe cases a remanufactured unit is installed.

Typical repair cost:$2,500 - $4,500

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Both the 6-speed (first-gen) and the 9-speed 9T65 (second-gen, 2018+) Enclaves are prone to a torque converter clutch shudder felt as a vibration or 'chuggle' during light acceleration, low-speed lockup, or while climbing grades. On 2018-2019 models GM traced many cases to incorrect transmission fluid installed at the factory, addressing it under TSB 18-NA-091 (and PIP5608C). Left unaddressed, the shudder can accelerate clutch and converter wear.

This issue also affects: Buick Encore GX, Buick Regal, Cadillac DeVille

Common Symptoms

  • Shudder/vibration under light acceleration
  • Chuggle or jerk when transmission locks up
  • Vibration when accelerating uphill
  • Shudder around 25-45 mph

How to Fix

Per GM bulletin: flush and refill with the specified DEXRON-VI fluid (part 88862156) and reprogram the TCM with a fast-learn relearn. Persistent cases may require torque converter replacement.

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High ConfidenceVerifiedReviewed Jun 2026

Only the 2008 Enclave is included in NHTSA recall 08V441000, and only if the vehicle was built with the heated wiper washer fluid system. The washer fluid heater's printed circuit board can develop a short circuit that overheats the control-circuit ground wire. GM's reported consequence is malfunction of other electrical features, an odor, or smoke, with an increased risk of fire. The recall's 857,735-unit total is campaign-wide across all the GM nameplates involved.

Common Symptoms

  • Other electrical features malfunctioning
  • Odor
  • Smoke

How to Fix

Repair is free at a Buick dealer. The dealer installs a wire harness fitted with an in-line fuse so an overheating condition on that ground circuit is interrupted rather than allowed to build. The recall began September 12, 2008. Check your VIN at nhtsa.gov/recalls to confirm your specific Enclave was completed; Buick's recall line for this campaign was 1-866-608-8080.

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NHTSA recall 10V240000 covers 2008-2009 Buick Enclaves that left the factory with the heated washer fluid system. The heated washer module contains a printed circuit board that can short. A 2008 recall added a fuse to the module's control circuit harness to address the consequences of that short, yet GM received new reports of thermal incidents on modules after the fuse was installed — which is what escalated this into a removal campaign. Per NHTSA, it is possible for the heated washer module to ignite and a fire may occur. The heated washer feature was optional, so an Enclave without it is outside the recall.

Common Symptoms

  • Smoke or burning odor from the underhood area
  • Underhood fire originating at the heated washer fluid module

How to Fix

The work is free at a Buick dealer. The dealer permanently disables and removes the heated washer fluid module, and hands you an updated owner manual page to insert stating that the feature has been permanently disabled and removed from the vehicle. Repairs started June 11, 2010. An Enclave that received the earlier 2008 fuse repair still requires this remedy. Confirm your VIN's recall status at nhtsa.gov/recalls, or call Buick at 1-866-608-8080.

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2008-2011 Enclaves (and platform-mates Acadia/Traverse/Outlook) can develop a power steering pump wear condition that causes an intermittent drop in hydraulic pressure and sudden reduced or lost steering assist. The vehicle reverts to manual steering requiring much greater effort, most noticeable at low speeds and during parking. GM issued a Special Coverage Adjustment covering the condition for 10 years/150,000 miles rather than a formal NHTSA recall.

Common Symptoms

  • Steering suddenly becomes hard to turn
  • Intermittent loss of power assist
  • Heavy steering at low speed / parking
  • Whining noise from steering pump

How to Fix

Replace the power steering pump (and inspect/replace fluid and lines). Covered under GM Special Coverage for 10yr/150k mi on affected vehicles; otherwise replace the pump out of pocket.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Power Steering Pump
    Cross-ref20-2403

    Cardone 20-2403. The article directly prescribes the power-steering pump, and Cardone 20-2403 covers every reviewed 2008-2011 Enclave year with exact product identity.

    eBay

As an Amazon Associate, we earn from qualifying purchases; other part links may also earn au7o a commission. Confirm fitment by VIN before buying.

Research This Issue

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GM Special Coverage Adjustment 14329 — extending warranty to 10 years / 150,000 miles — covers 2008-2011 Buick Enclave, 2007-2011 GMC Acadia, 2009-2011 Chevrolet Traverse, and 2007-2010 Saturn Outlook for power-steering pump wear that causes intermittent drop in hydraulic pressure and loss of steering assist. This is a special coverage program, NOT a recall — owners must initiate the claim. Symptoms: heavy steering at low speed, especially when engine is hot.

This issue also affects: Dacia Duster, Dacia Sandero, Dacia Logan

Common Symptoms

  • burning fluid smell
  • PS pressure hose leak
  • smoke from engine bay

How to Fix

Confirm Special Coverage 14329 eligibility at any GM/Buick dealer with your VIN. If still within 10 years and 150,000 miles, remedy is free: dealer flushes power-steering system, replaces the PS pump, and installs a new steering-gear valve housing. If out of the coverage window, expect $700-$1,400 for the same job at an independent.

Typical repair cost:$0 - $1,400

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Many 2013-2016 Enclaves lose air conditioning because fine copper particles ejected from the rear blower motor settle on the rear evaporator and, combined with condensation, corrode it and cause pinhole refrigerant leaks. High-pressure A/C lines can also leak at connections from vibration and corrosion. Owners notice the system gradually stops blowing cold, with no obvious external cause.

Common Symptoms

  • A/C blows warm or only intermittently cold
  • Loss of refrigerant over time
  • Oily residue near A/C line connections
  • Rear A/C not cooling

How to Fix

Recover the refrigerant, replace the corroded rear evaporator (and rear blower motor if shedding debris) or the leaking line, then evacuate and recharge the system. Confirm leak source with dye/UV before recharging.

Typical repair cost:$600 - $1,500

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

Enclaves commonly suffer failed HVAC blend-door actuators, with the plastic internal gears stripping or the small motor dying, often after about 80,000 miles. Because multiple actuators control temperature blend, vent direction, and recirculation, a failure leaves one zone stuck hot or cold, or produces a clicking/knocking sound behind the dash. The part itself is inexpensive but labor varies widely by which actuator failed.

This issue also affects: Chevrolet Malibu, Cadillac XTS, Chevrolet Camaro

Common Symptoms

  • Clicking or knocking noise behind the dash
  • One side blows hot while the other blows cold
  • Air won't change between vents/floor/defrost
  • Temperature stuck regardless of setting

How to Fix

Replace the failed blend-door actuator and recalibrate the HVAC system. Some actuators are easy to reach; others require significant dash disassembly, which drives up labor.

Typical repair cost:$200 - $600

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High ConfidenceVerifiedReviewed Jun 2026

The 3.6L V6 in the Enclave is known for water pump failure, attributed in part to dissimilar metals in the pump that expand and contract at different rates and eventually allow coolant to seep. Owners frequently find coolant puddling after the car is parked and may see overheating if the leak is severe. It is considered a fairly routine wear item on this engine.

Common Symptoms

  • Coolant puddle under vehicle after parking
  • Low coolant level / frequent top-offs
  • Overheating or rising temperature gauge
  • Sweet coolant smell

How to Fix

Replace the water pump (and thermostat/gasket as needed), then refill and bleed the cooling system. A relatively common, moderate-cost repair on these vehicles.

What you need to fix it

Only diagnosis- and fitment-reviewed repair parts are linked here.

  • Engine Water Pump
    Cross-refWPGM-611V

    Aisin WPGM-611V. The article directly prescribes the water pump, and Aisin WPGM-611V covers every reviewed 2008-2017 Enclave year with exact product identity.

    eBay

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Typical repair cost:$495 - $1,100

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High ConfidenceVerifiedReviewed Jun 2026
Campaign #23V33400010/05/2023

TIRES

General Motors LLC (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5, GMC Acadia and Chevrolet Traverse vehicles and 2020-2021 Chevrolet Silverado 1500, GMC Sierra 1500 vehicles. The vehicles may have been manufactured with Continental tires that were overcured.

Campaign #20V68400005/11/2020

AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

General Motors, LLC. (GM) is recalling certain 2020 Buick Enclave, Cadillac XT5 and XT6, Chevrolet Blazer, Silverado 1500, 2500 and 3500 and Traverse and GMC Acadia and Sierra 1500, 2500 and 3500 vehicles. The diffuser component of the Roof-Rail Air Bag (RRAB) inflator may not have been properly crimped to the inflator and could separate from the inflator during air bag deployment.

Campaign #20V44600030/07/2020

+ 6 more recalls. Check all on NHTSA.gov

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

get a full repair guide

What is the 2008 Buick Enclave 2008 Enclave Heated Washer Fluid Heater Short Circuit (Recall 08V441)?

Only the 2008 Enclave is included in NHTSA recall 08V441000, and only if the vehicle was built with the heated wiper washer fluid system. The washer fluid heater's printed circuit board can develop a short circuit that overheats the control-circuit ground wire. GM's reported cons… Severity: high.

What is the 2009 Buick Enclave Buick Enclave Shift Cable Adjustment Clip Recall (09V073000) — Vehicle May Roll Away?

GM recalled 2009 Buick Enclave models under NHTSA campaign 09V073000. On some Enclaves the transmission shift cable adjustment clip may not be fully engaged, which allows the position of the shift lever to disagree with the gear the transmission is actually in. The danger is at t… Severity: high.

What is the 2008-2009 Buick Enclave Heated Washer Fluid Module Can Ignite — Recall 10V240000?

NHTSA recall 10V240000 covers 2008-2009 Buick Enclaves that left the factory with the heated washer fluid system. The heated washer module contains a printed circuit board that can short. A 2008 recall added a fuse to the module's control circuit harness to address the consequenc… Severity: high.

What is the 2008-2010 Buick Enclave Excessive Oil Consumption / Engine Failure on 3.6L?

Higher-mileage first-generation Enclaves with the 3.6L V6 (worst on the 2008-2010 cars) can burn oil excessively, and in the most severe cases the engine fails outright, including reports of a hole punched in the block. The condition is linked to the same engine's timing-chain/oi… Repairs typically run $1,500-$6,500. Severity: high.

What is the 2008-2011 Buick Enclave Loss of Power Steering Assist (Pump Wear)?

2008-2011 Enclaves (and platform-mates Acadia/Traverse/Outlook) can develop a power steering pump wear condition that causes an intermittent drop in hydraulic pressure and sudden reduced or lost steering assist. The vehicle reverts to manual steering requiring much greater effort… Severity: high.

What is the 2008-2011 Buick Enclave Enclave Power Steering Assist Loss — Special Coverage Adjustment 14329?

GM Special Coverage Adjustment 14329 — extending warranty to 10 years / 150,000 miles — covers 2008-2011 Buick Enclave, 2007-2011 GMC Acadia, 2009-2011 Chevrolet Traverse, and 2007-2010 Saturn Outlook for power-steering pump wear that causes intermittent drop in hydraulic pressur… Repairs typically run $0-$1,400. Severity: high.

What is the 2008-2012 Buick Enclave Enclave 3.6L LLT Timing Chain Stretch + Oil Consumption?

Early Enclaves (2008-2012, plus shared Traverse/Acadia/Outlook) with the 3.6L LLT direct-injection V6 share LaCrosse's timing chain stretch and a separate excessive-oil-consumption issue. The PCV system pulls oil into the intake, intake valves carbon up (no port injection to wash… Repairs typically run $2,500-$6,500. Severity: high.

What is the 2008-2013 Buick Enclave Stretched/Worn Timing Chain on 3.6L V6?

The 3.6L (and 2.8L) high-feature V6 in 2008-2013 Enclaves is prone to timing chain stretch and worn chain guides/tensioners, sometimes appearing as early as 40,000-60,000 miles. As the chain elongates, valve timing drifts, triggering misfires and a rattle at idle/startup; if a ch… Repairs typically run $3,200-$3,400. Severity: high.

What is the 2008-2012 Buick Enclave 6T70/6T75 Transmission Wave Plate Failure?

First-generation Enclaves (2008-2017) use the 6T70/6T75 6-speed automatic, whose stamped-steel 35R wave plate can crack at the teeth after enough shift cycles. When it fractures, the transmission abruptly loses 3rd, 5th, and reverse gears, and debris can damage the valve body, dr… Repairs typically run $2,500-$4,500. Severity: high.

What is the 2013-2016 Buick Enclave Rear A/C Evaporator Corrosion & Refrigerant Leaks?

Many 2013-2016 Enclaves lose air conditioning because fine copper particles ejected from the rear blower motor settle on the rear evaporator and, combined with condensation, corrode it and cause pinhole refrigerant leaks. High-pressure A/C lines can also leak at connections from… Repairs typically run $600-$1,500. Severity: medium.

What is the 2008-2017 Buick Enclave Water Pump Leak / Coolant Loss on 3.6L V6?

The 3.6L V6 in the Enclave is known for water pump failure, attributed in part to dissimilar metals in the pump that expand and contract at different rates and eventually allow coolant to seep. Owners frequently find coolant puddling after the car is parked and may see overheatin… Repairs typically run $495-$1,100. Severity: medium.

What is the 2014-2020 Buick Enclave Torque Converter Clutch (TCC) Shudder?

Both the 6-speed (first-gen) and the 9-speed 9T65 (second-gen, 2018+) Enclaves are prone to a torque converter clutch shudder felt as a vibration or 'chuggle' during light acceleration, low-speed lockup, or while climbing grades. On 2018-2019 models GM traced many cases to incorr… Severity: medium.

What is the 2008-2017 Buick Enclave HVAC Blend Door Actuator Failure?

Enclaves commonly suffer failed HVAC blend-door actuators, with the plastic internal gears stripping or the small motor dying, often after about 80,000 miles. Because multiple actuators control temperature blend, vent direction, and recirculation, a failure leaves one zone stuck… Repairs typically run $200-$600. Severity: low.