What is the most common problem with a Chevy HHR?
The most commonly reported problem is transmission-related issues in the older automatic models, often accompanied by electrical problems such as failing power window regulators. Reliability varies by year and how well the vehicle was maintained.
The Chevrolet HHR, produced from 2005 through 2011, was built on a GM Delta platform and offered in several trims with either a 2.2-liter or 2.4-liter four-cylinder engine and a four-speed automatic or a five-speed manual transmission. In owner forums and repair guides, a handful of problems recur across model years, though the frequency can shift with updates, recalls, and maintenance history. This article highlights the most frequently reported issues and practical steps to diagnose or mitigate them.
Most commonly reported problems
Below are the issues most often cited by owners and service technicians. They reflect what tends to come up during maintenance or at common mileages.
Transmission and driveline problems (with automatic versions): Many owners report shifting shudder, harsh or delayed engagement, and, in older automatics, potential transmission failure in the 4T45-E family. Symptoms can include a faint clunk when shifting, slipping, or a check transmission light. Regular fluid changes and keeping the fluid within spec can help, but serious wear may require transmission servicing or rebuild.
Electrical and electronics issues: Problems with power window regulators, door lock actuators, and intermittent electrical gremlins are commonly mentioned. Other failures can involve the body control module (BCM) and warning lights on the dash, sometimes linked to aging connectors or looms.
Oil leaks and gasket concerns: Leaks around the valve cover gasket or intake manifold gasket are frequently reported. Over time, these leaks can lead to oil consumption or underhood oil spots, and left unchecked may affect engine cleanliness and cooling efficiency.
Brake and ABS-related sensors: Wheel speed sensors and related ABS/traction control components can trigger warning lights or cause intermittent braking alerts. Sensor or harness wear, especially in higher-mileage examples, is commonly cited.
Suspension and steering wear: Worn front-end components such as control arm bushings, struts, and associated hardware can produce clunks and vague steering feel as the vehicle ages.
These items represent what is most often discussed in owner experiences and repair literature. Specific reliability can vary by engine choice (2.2L vs 2.4L) and by maintenance history. If you are considering a used HHR, a thorough pre-purchase inspection focusing on transmission health, electrical systems, and signs of oil leaks is advised.
Maintenance and diagnostic tips to address the common problems
To help owners and prospective buyers manage or prevent these issues, consider this set of practical steps and checks before they become costly repairs.
- Schedule a comprehensive pre-purchase or annual inspection with a technician familiar with GM Ecotec engines and Delta-platform vehicles.
- Check for transmission health: review service history for automatic transmission fluid changes, look for any slipping, shuddering, or delayed engagement, and scan for fault codes related to the transmission control module.
- Inspect electrical systems: test power windows, door locks, interior lights, and dash warnings. Look for corroded connectors or unplugged harnesses behind trim panels.
- Inspect for oil leaks: perform a visual inspection around the valve cover, intake manifold, and lower pan area. Clean the engine and run the engine to watch for fresh leaks.
- Scan for ABS/TCS codes: have the wheel speed sensors and related wiring checked, especially if you notice warning lights or unusual braking behavior.
In summary, while the Chevy HHR can be a practical and distinctive compact SUV, its most frequently reported problems cluster around aging transmissions, electrical components, and common engine-related leaks. Proactive maintenance and a thorough inspection can help mitigate surprises and keep the HHR running reliably.
What to watch for by model year (brief guide)
While issues vary, a quick year-by-year snapshot can guide caution when shopping used HHR models. Early 2006–2007 examples often surface more complaints about transmission and electrical quirks, while later 2009–2011 units tend to have improved software updates but still suffer from wear in aging parts. Regardless of year, prioritize service history, especially regarding transmission fluid, oil leaks, and electrical system checks.
Summary: The Chevy HHR’s most common problems center on transmission reliability in automatics and a range of electrical and sealing concerns. Regular maintenance, attentive inspection, and targeted repairs can extend the life of these retro-styled vehicles.
What year should I avoid Chevy HHR?
While no single model year is universally "to avoid," the 2006-2011 model years are all susceptible to common issues like rust, timing chain problems, and starter circuit relay failures. It's more important to inspect any used HHR for these specific potential problems, rather than avoiding a particular year entirely.
This video explains the top 5 problems with the Chevrolet HHR: 1m1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Feb 14, 2021
Common problems across 2006-2011 models
- Rust: Check for rust on doors, sills, and the undercarriage.
- Timing chain: Listen for ticking or grinding noises from the engine, which could indicate a timing chain and guide issue.
- Starter circuit relay: The engine may not crank due to a faulty starter circuit relay.
- Gas cap: A loose or faulty gas cap can trigger the check engine light.
- Ignition key: Some owners of the 2006 model reported keys getting stuck in the ignition, requiring replacement of the ignition lock cylinder.
- Water pump: Listen for noises that could indicate a failing water pump.
Tips for buying a used HHR
- Get a pre-purchase inspection: Have a trusted mechanic perform a thorough inspection before buying.
- Bring a diagnostic tool: Run a diagnostic test to check for codes.
- Inspect for rust: Check the common problem areas like doors, sills, and the undercarriage for rust.
- Listen to the engine: Start the car and listen for any unusual noises like ticking or grinding.
- Budget for repairs: Expect to have a reserve fund of at least $1,000-$1,500 for potential mechanical issues, especially with older models.
Are HHR good cars to buy?
HHR's are a great vehicle. Easy to drive and makes a nice little family car. Good for road trips and easy to take care of. Plenty of room in the back for storage. Wish they would make more of them.
How much is a 2006 HHR worth today?
The average price for a 2006 Chevrolet HHR is approximately $4,500 to $4,900, but values vary widely based on condition, mileage, and trim. Prices for used 2006 HHRs listed for sale typically range from about $1,995 to $6,995. The trade-in and private party value can be around $600 to $2,300, with factors like mileage significantly impacting the price.
Estimated value range
- Average Price: Approximately $4,500−$4,900$ 4 comma 500 minus $ 4 comma 900$4,500−$4,900
- Private Party/Dealer Asking Price: $1,995−$6,995$ 1 comma 995 minus $ 6 comma 995$1,995−$6,995
- Trade-in Value: Around $600−$2,300$ 600 minus $ 2 comma 300$600−$2,300
Factors that affect value
- Mileage: Lower mileage generally increases value, while higher mileage decreases it.
- Trim Level: The LS and LT are common trims, with the LT often having more features and a higher starting price.
- Condition: The overall condition, including any mechanical issues or cosmetic damage, is a major factor.
- Location: Geographic location can influence the price due to local market demand.
- Vehicle History: A clean history report with no accidents is more valuable than one with a poor history.
To get a more precise value for a specific vehicle, you can use online tools from sites like Kelley Blue Book and Edmunds which take more details into account.
What are the main problems with a Chevy HHR?
Common Chevy HHR problems include engine performance issues like rough running and stalling, often linked to VVT solenoid failures or a dirty throttle body. Other frequent issues are power steering loss, erratic gauges, hard shifting, and check engine lights caused by a loose gas cap or other sensors. Owners also report problems with leaky cowlings, door speaker failure, and worn suspension or motor mounts.
This video demonstrates the top 5 problems with the first generation Chevy HHR: 1m1A Auto: Repair Tips & Secrets Only Mechanics KnowYouTube · Feb 14, 2021
Engine and performance
- Rough running and stalling: Often caused by a faulty VVT (Variable Valve Timing) solenoid, which can be linked to low or dirty engine oil.
- Check Engine Light: A common trigger is a loose or faulty gas cap. Other reasons include issues with sensors like the mass air flow or camshaft position sensors.
- Engine not cranking: This can stem from a starter circuit relay issue.
You can watch this video to learn how to diagnose and fix misfires in a Chevy HHR: 1mADVANCED LEVEL AUTOYouTube · Jun 22, 2022
Electrical and sensor issues
- Erratic gauges, power steering, and hard shifting: These symptoms frequently point to electrical problems, such as a bad ground to the TCM (Transmission Control Module) or a failing power steering control module.
- Leaky cowling: The gasket where the hood meets the windshield can leak, leading to wet floors.
Mechanical and other issues
- Wobbling when taking off: This can be a sign of worn motor or transmission mounts, or an internal transmission fault.
- Cooling system leaks: Radiator and other hoses can crack and cause leaks, leading to the engine running too hot.
- Speaker failure: Door speakers are known to fail, especially in older models.
- Tire pressure sensors: These can malfunction, causing a warning light.
