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Buick · Full-Size SUV · 2008–2017 Custom Search

Buick Enclave Lambda

Weaknesses, engine ratings and buying advice

★★★★★
3.0 / 5.0 · Based on 2 engine variants · How we rate

Generations

Engine Overview

engines.variants_same_ps

3.6L V6 DI · Petrol· 288 PS
2008 2012

3.6-liter V6 with direct injection and VVT, 288 hp. One of GM's most notorious engines: timing chain stretch between 60,000 and 100,000 miles, P0008/P0009 codes, cold-start rattle. GM extended coverage to 10 years/120,000 miles due to massive failure rate. Buying this engine without proof of a replaced chain means buying a ticking time bomb.

  • !! LLT timing chain stretch — the headliner defect from 145,000 km

    The LLT 3.6L V6 is notorious for timing chain stretch, typically between 60,000–100,000 miles. GM Special Coverage 11340 extended warranty to 10 years/120,000 miles.

    Symptoms: Cold-start rattle for 1–3 seconds, rough idle, check engine P0008/P0009/P0016/P0017, sluggish acceleration
    2,000–5,200 $
    Ad timing chain kit LLT 3.6camshaft actuator LLT
  • !! Timing Chain Stretch LLT (2010) from 80,000 km

    Early LLT batch with chain defect. Interference engine: chain failure = valve damage. GM update available but early cars need replacement.

    Symptoms: Cold-start rattle, P0008/P0016, power loss
    1,800–3,000 $
    Ad timing chain LLT 3.6
  • !! Delphi high-pressure fuel pump failure from 160,000 km

    The Delphi HPFP on LLT/LFX engines can fail, causing hard starts, extended cranking, rough idle. P0087/P0089/P228C common.

    Symptoms: Long crank time especially cold, rough idle, power loss, CEL with P0087/P0089
    800–1,400 $
    Ad HPFP LLT 3.6Delphi high pressure pump GM 3.6

+ 1 more engine weaknesses + vehicle weaknesses

3.6L V6 LFX · Petrol· 288 PS
2013 2017

3.6-liter High Feature V6 with direct injection, variable valve timing, and 288 hp. Far more durable than the LLT predecessor. Requires strict 5,000-mile oil changes (never trust the oil life monitor) or timing chain stretch starts around 85,000 mi.

  • !! Premature timing chain wear 3.6L LFX from 140,000 km

    Early 3.6L LFX suffers premature timing chain stretch when oil change intervals are stretched. GM Special Coverage SC-10287 applies.

    Symptoms: Cold start rattle, P0008/P0009 codes, check engine light
    1,800–3,000 $
    Ad 3.6 LFX timing chain kit

Vehicle Weaknesses

WeaknessCost
✖6-Speed Transmission Wave Plate Failure

The 6T75 wave plate in the automatic transmission can shatter due to improper hardening. Metal debris destroys the transmission internally.

Symptoms: Transmission slipping, won't upshift, RPMs surge to 3000-5000 without gear change, burning smell, check engine light
from 92,000 km
Ad 6T75 wave plateEnclave transmission rebuild
 High
NHTSA Owner Complaints
Below average
2,215 complaints · 2008–2017
  1. 01 Airbags
    759 ⚠ 37
  2. 02 Steering
    431 ⚠ 12
  3. 03 Powertrain
    305 ⚠ 8
  4. 04 Engine
    288 ⚠ 5
  5. 05 Electrical
    223 ⚠ 3

Top Reported Issues

⚠ Airbags (759 complaints)
⚠ Steering (431 complaints)
⚠ Powertrain (305 complaints)
Source: NHTSA (nhtsa.gov) · 2026-04

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Known Problems and Issues +

A total of 10 weaknesses have been documented for the Buick Enclave Lambda (2008–2017) — 5 engine-related and 5 vehicle-related. One problem engine: LLT (3.6L V6 DI). Typical issues affect Gearbox, Steering, HVAC, Electronics. Considered reliable: LFX (3.6L V6 LFX).

Enclave (LLT, 2008–2012) — Stay Away!: LLT timing chain stretch — the headliner defect, Timing Chain Stretch LLT (2010), Delphi high-pressure fuel pump failure. Power: 288 PS.

What to watch out for with the Buick Enclave? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the Buick Enclave Lambda have? +
The Buick Enclave Lambda has 5 known engine weaknesses and 5 vehicle weaknesses.
What should I look for when buying a used Buick Enclave Lambda? +
faq.watch_a_avoid faq.watch_a_rec
Which engine is recommended? +
Good choice: LFX (3.6L V6 LFX). The most reliable engine is the LFX (3.6L V6 LFX) with the lowest risk score. The most fun to drive is the LFX (3.6L V6 LFX). Problem engine: LLT (3.6L V6 DI) — stay away!
Which Buick Enclave Lambda engine is the most reliable? +
The {code} ({displacement}) is the most reliable engine in the Buick Enclave Lambda. It has the lowest risk score of all available engines and is rated "Good Choice". However, there are 1 known weaknesses to be aware of.
Which Buick Enclave Lambda engine is the most fun? +
The {code} ({displacement}) offers the most driving fun in the Buick Enclave Lambda — rated: "Decent". {description} The LFX variant has fewer timing chain issues, but power steering and AC remain weak points.
Is the Buick Enclave Lambda worth buying used? +
The Buick Enclave Lambda requires careful consideration — choosing the right engine variant is crucial.
What horsepower variants are available for the Buick Enclave Lambda? +
The Buick Enclave Lambda is available with engine variants from 291 to 291 hp. Petrol: LLT (3.6L V6 DI), LFX (3.6L V6 LFX).

Last updated: February 2026 · All information without guarantee