What is the 2007-2012 Toyota Avalon 2GR-FE VVT-i Oil Supply Hose Pinhole Rupture (Sudden Oil Loss)?

The engine oil supply line feeding the VVT-i actuator on the 2GR-FE V6 uses a short rubber section crimped between two steel tubes. Corrosive blow-by gases routed through the PCV system attack that rubber from the inside, and it eventually develops a pinhole that expands under fu… Repairs typically run $150-$600. Severity: high.

What is the 2005-2018 Toyota Avalon Water Pump Leak and Failure (2GR-FE)?

The water pump on the 3.5L 2GR-FE fails prematurely between 80,000-120,000 miles, developing a coolant leak from the weep hole or gasket surface. If not addressed, complete pump failure causes overheating and potential head gasket damage. Repairs typically run $300-$800. Severity: medium.

What is the 2013-2018 Toyota Avalon 6-Speed Automatic Transmission Torque Converter Shudder?

The Aisin U660E 6-speed automatic develops torque converter lockup shudder at 25-50 mph under light throttle. The lockup clutch material degrades, causing vibration during cruising. Fluid degradation accelerates the problem. Repairs typically run $200-$2,800. Severity: medium.

What is the 2005-2012 Toyota Avalon 2GR-FE V6 Oil Consumption and Valve Cover Gasket Seepage?

The 3.5L 2GR-FE V6 in 3rd and early 4th generation Avalons consumes oil at rates of 1 quart per 2,000-3,000 miles. Combined with valve cover gasket seepage that drips onto the exhaust manifold, this creates a burning oil smell. The issue worsens with age and mileage as piston rin… Repairs typically run $150-$3,200. Severity: medium.

What is the 2005-2012 Toyota Avalon 2GR-FE Front Timing Chain Cover Sealant Failure (Engine-Out Oil Leak)?

The 2GR-FE front timing chain cover is sealed to the block with FIPG (formed-in-place gasket) sealant rather than a gasket. On high-mileage XX30 Avalons the sealant shrinks and hardens, and oil weeps from the cover seam - typically first visible at the lower right of the engine,… Repairs typically run $1,200-$3,500. Severity: medium.

What is the 2013-2018 Toyota Avalon Entune Head Unit Reboot Loop, Frozen Touchscreen and Black Display?

The Fujitsu Ten-built Entune / Entune Premium head unit fitted to the XX40 Avalon fails in a recognizable pattern: the screen freezes with audio still playing, the unit cycles through the Toyota logo and restarts itself repeatedly, or the display goes completely black while the r… Repairs typically run $150-$1,400. Severity: medium.

What is the 2005-2012 Toyota Avalon A/C Refrigerant Loss from Evaporator Core and Compressor-to-Condenser Line Pinholes?

XX30 Avalon owners report a slow, hard-to-find refrigerant leak: the system cools fine for a few weeks or months after a recharge, then gradually goes warm, and dye tests find nothing in the engine compartment. Two sources account for most of these. The discharge line from the co… Repairs typically run $250-$1,800. Severity: medium.

What is the 2005-2018 Toyota Avalon Power Steering Rack Seal Leak?

The hydraulic power steering rack on 2005-2018 Avalon models (pre-2019, which switched to electric power steering) develops internal seal leaks. Fluid weeps from the input shaft seal or the rack boots, causing a gradual loss of power steering fluid. As the fluid drops, the power… Repairs typically run $250-$2,000. Severity: medium.

What is the 2005-2012 Toyota Avalon Transmission Shudder and Torque Converter Vibration?

The 2005-2012 Avalon with the U660E 6-speed automatic transmission develops a shudder or vibration during light acceleration, particularly in the 30-50 mph range at low engine RPMs. The shudder feels like driving over a textured road surface and is caused by the torque converter… Repairs typically run $150-$5,000. Severity: medium.

What is the 2005-2012 Toyota Avalon Dashboard Cracking and Warping?

3rd and 4th gen Avalon dashboards crack extensively from UV exposure and heat cycling. Deep cracks spread across the top surface creating glare hazards. Toyota issued Customer Support Program ZJ2 for 2006-2008 models for free dash replacement. Repairs typically run $0-$2,000. Severity: low.

What is the 2005-2022 Toyota Avalon Front Strut Mount Bearing Noise and Clunking?

The front strut mount bearings on the Avalon wear out and develop a popping, creaking, or clunking noise when turning the steering wheel, particularly at low speeds and when turning while stationary (like parking maneuvers). The bearing allows the strut to rotate as the wheels tu… Repairs typically run $200-$1,000. Severity: low.

What is the 2005-2012 Toyota Avalon HVAC Air-Mix / Mode Door Actuator Stripped Gear - Clicking and No Heat?

The XX30 Avalon's automatic climate control drives its air-mix (blend) and mode doors with small servo actuators mounted on the sides of the HVAC case - one above the accelerator pedal near the heater pipes, one behind the glove box, plus a mode actuator. The plastic gear train i… Repairs typically run $60-$900. Severity: low.

Toyota · Known Issues

2005-2022 Toyota Avalon Problems: 16 Known Issues

2005-2022 model years · 4,350+ owner reports · Updated August 2026

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According to Au7o's analysis of 4,350+ owner reports, the 2005-2022 Toyota Avalon has 16 documented known issues, with 5 rated critical. The most serious are Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728) ($0-$0 repair), Airbag ECU False Fault at Start-Up Self-Check - Airbags May Not Deploy (2019 Recall) ($0-$0 repair), Recall 06V096000: Under-Filled Side/Curtain/Knee Air Bag Inflator May Not Inflate Properly, 2GR-FE VVT-i Oil Supply Hose Pinhole Rupture (Sudden Oil Loss) ($150-$600 repair) and Denso Low-Pressure Fuel Pump Impeller Failure - Stalling While Driving (Recall 20V-012 / 20TA02) ($0-$1,200 repair). The most commonly reported issue is Dashboard Cracking and Warping with 2,200 owner reports. Across all issues with published estimates, repair costs range from $60 to $5,000. DIY maintenance guides at au7o.io.

Frequently Asked Questions

What are the most common Toyota Avalon problems?

According to Au7o's analysis of 4,350+ owner reports, the 2005-2022 Toyota Avalon has 16 documented issues. The most frequently reported are: Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728), Airbag ECU False Fault at Start-Up Self-Check - Airbags May Not Deploy (2019 Recall), Recall 06V096000: Under-Filled Side/Curtain/Knee Air Bag Inflator May Not Inflate Properly. Of these, 5 are rated critical and should be addressed promptly.

Is the Toyota Avalon reliable?

The 2005-2022 Toyota Avalon has 16 known issues documented across 4,350+ owner reports. 5 issues are rated critical: Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728) and Airbag ECU False Fault at Start-Up Self-Check - Airbags May Not Deploy (2019 Recall) and Recall 06V096000: Under-Filled Side/Curtain/Knee Air Bag Inflator May Not Inflate Properly and 2GR-FE VVT-i Oil Supply Hose Pinhole Rupture (Sudden Oil Loss) and Denso Low-Pressure Fuel Pump Impeller Failure - Stalling While Driving (Recall 20V-012 / 20TA02). 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 Toyota Avalon problems?

Repair costs for known Toyota Avalon issues range from $0 to $5,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728), typically costs $0-$0 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Toyota Avalon is the most reliable?

Reliability varies across model years of the Toyota Avalon. 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 2005-2022 Toyota Avalon with 16 documented issues documented across 4,350+ owner reports.

All 16 Known Issues

Other Toyota Models

Frequently Asked Questions

What are the most common Toyota Avalon problems?

Is the Toyota Avalon reliable?

How much does it cost to fix common Toyota Avalon problems?

What year Toyota Avalon is the most reliable?

When Issues Typically Appear

Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728)#

Airbag ECU False Fault at Start-Up Self-Check - Airbags May Not Deploy (2019 Recall)#

Recall 06V096000: Under-Filled Side/Curtain/Knee Air Bag Inflator May Not Inflate Properly#

2GR-FE VVT-i Oil Supply Hose Pinhole Rupture (Sudden Oil Loss)#

2GR-FE V6 Oil Consumption and Valve Cover Gasket Seepage#

2GR-FE Front Timing Chain Cover Sealant Failure (Engine-Out Oil Leak)#

Denso Low-Pressure Fuel Pump Impeller Failure - Stalling While Driving (Recall 20V-012 / 20TA02)#

6-Speed Automatic Transmission Torque Converter Shudder#

Transmission Shudder and Torque Converter Vibration#

A/C Refrigerant Loss from Evaporator Core and Compressor-to-Condenser Line Pinholes#

HVAC Air-Mix / Mode Door Actuator Stripped Gear - Clicking and No Heat#

Water Pump Leak and Failure (2GR-FE)#

Entune Head Unit Reboot Loop, Frozen Touchscreen and Black Display#

Power Steering Rack Seal Leak#

Dashboard Cracking and Warping#

Front Strut Mount Bearing Noise and Clunking#

What is the 2013-2015 Toyota Avalon Pre-Collision System Radar False Activation - Unexpected Hard Braking (Recall 15V-728)?

What is the 2019 Toyota Avalon Airbag ECU False Fault at Start-Up Self-Check - Airbags May Not Deploy (2019 Recall)?

What is the 2005-2006 Toyota Avalon Recall 06V096000: Under-Filled Side/Curtain/Knee Air Bag Inflator May Not Inflate Properly?