The 2011 Chevrolet Traverse was built as a family hauler — roomy enough for three rows of passengers, yet smooth enough to use as a daily driver. It’s part of GM’s Lambda-platform SUVs, alongside the GMC Acadia and Buick Enclave. For families, it made sense: plenty of space, decent comfort, and a strong V6 under the hood.
That motor, the 3.6L V6 LLT engine, is what keeps the Traverse useful today. But here’s the truth: while the LLT can be reliable, it has some very well-known issues, and once it starts burning oil or timing chains stretch, many owners face the tough decision — spend thousands rebuilding, or buy a replacement.
This guide covers everything you need to know about the 2011 Chevy Traverse engine, from its specifications and reliability to why TurboAutoParts is the smartest place to buy a low-mileage replacement.
2011 Chevy Traverse Engine Specifications
Engine Code and Design
Engine Code: LLT
Type: 3.6L V6 DOHC with direct injection
Displacement: 3,564 cc (3.6 liters)
Block/Head: Aluminum
Valvetrain: DOHC, 24-valve with variable valve timing
Fuel System: Direct Injection (SIDI – Spark Ignition Direct Injection)
Compression Ratio: 11.3:1
Power and Performance
Horsepower: 281 hp @ 6,300 rpm (288 hp with dual exhaust option)
Torque: 266 lb-ft @ 3,400 rpm
For a family SUV, those numbers gave the Traverse solid pulling power and decent acceleration even with seven passengers on board.
Transmission Pairing
The 2011 Traverse was paired with a 6-speed automatic transmission.
Transmission Code: 6T75 (Hydra-Matic)
Drive Options: Front-Wheel Drive (FWD) and All-Wheel Drive (AWD)
Reliability – How the 3.6L LLT Holds Up
The LLT V6 is a mixed bag. On paper, it’s modern and powerful. In practice, it has a few well-known trouble spots.
Strengths
Strong aluminum construction
Good horsepower and torque for its class
Smooth performance when new
Common Issues
Timing chain stretch – One of the biggest problems with the LLT, often caused by poor oil maintenance.
Excessive oil consumption – Many Traverse owners report burning oil past 100k miles.
Carbon buildup – Direct injection engines are prone to dirty intake valves.
Water pump failures – Can lead to overheating.
Mechanics see these issues often. If caught early, they can be fixed. If ignored, they usually lead to full engine replacement.
Signs You Need a Replacement Engine
Loud timing chain rattle at startup or while running
Blue smoke from exhaust (burning oil)
Overheating leading to blown head gaskets
Complete engine seizure due to lack of oil
Loss of compression, poor acceleration, and misfiring
At that point, you’re not just looking at repairs — you’re looking at a new heart for the SUV.
Rebuild vs. Replace – Cost Comparison
Rebuild at a shop: $4,500–$6,000, takes weeks, and not always successful
New GM crate engine: $7,000–$9,000 plus labor
Used replacement from TurboAutoParts: Often under $3,500, low-mileage, tested, warranty included, and shipped nationwide
For most Traverse owners, replacement is the smarter financial decision.
Why Buy from TurboAutoParts?
When searching “2011 Chevy Traverse engine for sale”, you’ll find dozens of sellers. But here’s why TurboAutoParts stands out:
Low-mileage LLT engines – carefully sourced, no worn-out junk
OEM factory quality – direct fit, original Chevy Traverse engines
Warranty support – peace of mind included
Nationwide shipping – from Texas to New York, California to Florida
Fitment guarantee – we verify engine compatibility using your VIN before shipping
Ordering Your Traverse Engine
Call TurboAutoParts or order online
Ask for a 2011 Chevy Traverse 3.6L LLT engine
Provide your VIN for exact fit confirmation
Get a clear quote with mileage, shipping, and warranty details
Place your order — we ship directly to your shop
Installation – What the Mechanic Will Do
Remove old engine and transmission assembly
Inspect timing, water pump, and seals
Prep replacement engine with new fluids, plugs, and filters
Install and reconnect wiring, sensors, and mounts
Reset ECU if required
Test drive to ensure everything runs smooth
Maintenance Tips After Replacement
Once you’ve got your replacement engine:
Change oil every 5,000 miles with synthetic
Use top-tier fuel to reduce carbon buildup
Service transmission and cooling system on schedule
Don’t ignore rattles or smoke — small issues grow quickly in the LLT
Real Customer Example
A customer in Michigan owned a 2011 Traverse with 145,000 miles. The timing chains stretched, oil consumption worsened, and the dealer quoted over $7,800 for a new engine. Instead, he ordered a low-mileage LLT 3.6L from TurboAutoParts, had it shipped to his local shop, and was back on the road in less than a week — saving thousands in the process.
FAQs
Q: What engine is in the 2011 Chevy Traverse?
A: The 3.6L LLT V6 with direct injection.
Q: What transmission does it use?
A: A 6-speed Hydra-Matic 6T75 automatic.
Q: How long do these engines last?
A: Around 150,000–200,000 miles with good maintenance, though timing chain and oil issues are common.
Q: Is replacing better than rebuilding?
A: Yes — replacement is cheaper, faster, and more reliable.
Q: Does TurboAutoParts ship nationwide?
A: Yes, across all 50 U.S. states.
Conclusion – Keep Your Traverse Running Strong
The 2011 Chevy Traverse engine is powerful and smooth when healthy, but common issues like oil consumption and timing chain failures mean many don’t last forever. When that happens, don’t overspend at the dealership or waste money on endless repairs.
With TurboAutoParts, you can order a tested, low-mileage 3.6L LLT V6 engine, backed by warranty, shipped anywhere in the USA, and ready for installation.
Keep your Traverse alive, save money, and drive with confidence — all with TurboAutoParts.
