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Buick · Known Issues

2010 Buick Enclave Problems: 8 Known Issues

2010 model year · 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 2010 Buick Enclave has 8 documented known issues, with 6 rated critical. The most serious are 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 Steering2
  • Enclave Transmission1
  • Enclave Cooling1
  • Enclave HVAC1
  • Recalls12
  • FAQ
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In This Article

  • Engine3
  • Steering2
  • Transmission1
  • Cooling1
  • HVAC1
  • Recalls12
  • FAQ

All 8 Known Issues

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ALL YEARS2020201920182017201620152014201320122011201020092008

On the 2008-2010 Buick Enclave, 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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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2008-2012 Buick Enclave 3.6L LLT V6, 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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On the 2008-2013 Buick Enclave, 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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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2008-2011 Buick Enclave, 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.

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2008-2011 Buick Enclave all, 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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Manually Verified
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On the 2008-2012 Buick Enclave, 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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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2008-2017 Buick Enclave, 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

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

Typical repair cost:$495 - $1,100

Research This Issue

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Community Reported
High ConfidenceVerifiedReviewed Jun 2026

On the 2008-2017 Buick Enclave, 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
NHTSA Recalls12 recalls

AIR BAGS:CRITICAL FASTENERS

General Motors, LLC (GM) is recalling certain 2010-2015, 2017 Buick Enclave, 2010-2019 Chevrolet Traverse, and 2011-2016 GMC Acadia vehicles. The side curtain air bags may not be properly attached.

Campaign #21V24600008/04/2021

AIR BAGS:FRONTAL

General Motors, LLC (GM) is recalling certain 2008-2017 Buick Enclave and 2013-2017 Chevrolet Traverse vehicles. The driver's air bag inflator may explode during deployment, due to a manufacturing defect.

Campaign #21V78200007/10/2021

SEAT BELTS

General Motors is recalling certain model year 2009-2014 Buick Enclave vehicles manufactured April 14, 2008, through May 14, 2014, Chevrolet Traverse vehicles manufactured June 6, 2008, through May 14, 2014, and GMC Acadia vehicles manufactured April 9, 2008, through May 14, 2014, and 2009-2010 Saturn Outlook vehicles manufactured April 14, 2008, through March 18, 2010. In the affected vehicles, the flexible steel cable that connects the seatbelt to the front outboard seating positions may fatigue and separate over time.

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Other Buick Models

Buick Encore25Buick Cascada22Buick Regal13Buick Envision12Buick Encore GX12Buick LaCrosse11

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 2010 Buick Enclave has 8 documented issues. The most frequently reported are: Excessive Oil Consumption / Engine Failure on 3.6L, Loss of Power Steering Assist (Pump Wear), Enclave Power Steering Assist Loss — Special Coverage Adjustment 14329. Of these, 6 are rated critical and should be addressed promptly.

Is the Buick Enclave reliable?

The 2010 Buick Enclave has 8 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 6 issues are rated critical: 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. The most critical issue, Excessive Oil Consumption / Engine Failure on 3.6L, typically costs $1,500-$6,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

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.

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.

Campaign #14V266000
20/05/2014

ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

General Motors LLC (GM) is recalling certain model year 2014 Buick Enclave, Chevrolet Traverse, and GMC Acadia vehicles manufactured March 26, 2013, through August 15, 2013. In the affected vehicles, the engine control module (ECM) software may cause the fuel gauge to read inaccurately.

Campaign #14V22300030/04/2014

POWER TRAIN:AUTOMATIC TRANSMISSION

General Motors LLC (GM) is recalling certain model year 2014 Buick Regal, LaCrosse, Verano, and Enclave, and Chevrolet Impala, Malibu, Cruze, and Traverse, and GMC Acadia vehicles equipped with automatic transmissions. In the affected vehicles, the transmission shift cable adjuster may disengage from the transmission shift lever. As such, these vehicles do not conform to Federal Motor Vehicle Safety Standard (FMVSS) number 102, "Transmission Shift Lever Sequence, Starter Interlock, and Transmission Braking Effect." They also fail to conform to FMVSS number 114, "Theft Protection and Rollaway Prevention."

Campaign #14V09200021/02/2014

+ 7 more recalls. Check all on NHTSA.gov

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

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 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 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.