Jaguar · Known Issues
2011 Jaguar XJ Problems: 14 Known Issues
2011 model year · 5,200+ owner reports · Updated September 2026
2011 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
2011 model year · 5,200+ owner reports · Updated September 2026
2011 · All trims · All engines
Choose the year and equipment for your written issues and visual request.
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According to Au7o's analysis of 5,200+ owner reports, the 2011 Jaguar XJ has 14 documented known issues, with 5 rated critical. The most serious are Air Suspension Compressor Failure ($1,000-$3,000 repair), AJ133 5.0 V8 Timing Chain Tensioner Ratchet and Plastic Guide Rail Wear ($3,500-$9,000 repair), X351 Water Pump and Plastic Coolant Pipe Failure Under the Supercharger ($900-$2,500 repair), Restraints Control Module Miscalibration — Airbags Deploy at Wrong Thresholds (Recall 20V-557 / Jaguar H294) ($0-$0 repair) and 306DT 3.0 V6 Diesel Crankshaft and Main Bearing Failure ($6,000-$15,000 repair). The most commonly reported issue is Air Suspension Compressor Failure with 2,200 owner reports. Across all issues with published estimates, repair costs range from $200 to $15,000. DIY maintenance guides at au7o.io.
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
Jaguar Land Rover North America, LLC (Jaguar) is recalling certain 2019 Jaguar F-Pace, F-Type, and XJ vehicles equipped with V6 or V8 gasoline engines. The crankshaft pulley retaining bolt may have been improperly manufactured, possibly causing the crankshaft pulley bolt to fracture, potentially resulting in engine failure.
AIR BAGS
Jaguar Land Rover North America, LLC (Jaguar) is recalling certain model year 2015 Jaguar XJ vehicles manufactured July 2, 2014, to December 4, 2014. The affected vehicles may have an incorrect description of the operation of Occupant Sensor System (OSS) in the owner's manual. Since the manual does not correspond with the actual Air Bag Status Indicator Lamp, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) No. 208, "Occupant Crash Protection."
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Jaguar Land Rover North America (Jaguar) is recalling certain model year 2014-2015 Jaguar XJ vehicles manufactured February 6, 2014, to July 23, 2014. In the affected vehicles, the brake line junctions under the vehicle may leak brake fluid.
ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
Jaguar Land Rover North America, LLC (Jaguar) is recalling certain 2015 F-TYPE vehicles manufactured August 25, 2014, to September 12, 2014, 2015 XF vehicles manufactured September 3, 2014, to September 12, 2014, and 2015 XJ vehicles manufactured August 21, 2014, to September 11, 2014. In the affected vehicles, the Front End Accessory Drive (FEAD) belt, Power Assisted Steering (PAS) pump pulley and/or battery positive cable at the alternator may detach.
AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE
Jaguar Land Rover North America, LLC (Jaguar) is recalling certain model year 2016-2017 Jaguar XJ vehicles manufactured September 12, 2016, to October 26, 2016. The affected vehicles have a front passenger air bag inflator initiator that may fail to ignite during a crash, preventing the air bag from deploying.
+ 2 more recalls. Check all on NHTSA.gov
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According to Au7o's analysis of 5,200+ owner reports, the 2011 Jaguar XJ has 14 documented issues. The most frequently reported are: Air Suspension Compressor Failure, AJ133 5.0 V8 Timing Chain Tensioner Ratchet and Plastic Guide Rail Wear, X351 Water Pump and Plastic Coolant Pipe Failure Under the Supercharger. Of these, 5 are rated critical and should be addressed promptly.
The 2011 Jaguar XJ has 14 known issues documented across 5,200+ owner reports. 5 issues are rated critical: Air Suspension Compressor Failure and AJ133 5.0 V8 Timing Chain Tensioner Ratchet and Plastic Guide Rail Wear and X351 Water Pump and Plastic Coolant Pipe Failure Under the Supercharger and Restraints Control Module Miscalibration — Airbags Deploy at Wrong Thresholds (Recall 20V-557 / Jaguar H294) and 306DT 3.0 V6 Diesel Crankshaft and Main Bearing 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.
Repair costs for known Jaguar XJ issues range from $0 to $15,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Air Suspension Compressor Failure, typically costs $1,000-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
The Dunlop or Hitachi air suspension compressor on the XJ fails due to overwork from leaking air springs or aging valve blocks. The compressor runs continuously, overheats, and eventually burns out. This is one of the most common and expensive repairs on the XJ. Repairs typically run $1,000-$3,000. Severity: high.
The 5.0-litre AJ133 V8 fitted to the X351 has a widely documented timing drive weakness that has nothing to do with the earlier 4.2 AJ34's plastic tensioner story — the X350's 4.2 already ran metal tensioners and Morse chains, and merging the two engines' histories is the standar… Repairs typically run $3,500-$9,000. Severity: high.
The X351's cooling system fails in a pattern quite unlike the X350's. On the 5.0 V8 and the 3.0 supercharged V6, the water pump seal and bearing can fail remarkably early — owners have reported failures under 20,000 miles — and the small-diameter plastic connectors that plug into… Repairs typically run $900-$2,500. Severity: high.
A safety recall covering certain 2010-2011 and 2017 model year Jaguar XJ (X351) vehicles. When the car was connected to Jaguar Land Rover approved diagnostic equipment and a software update to the Restraints Control Module did not complete successfully, the RCM calibration could… Repairs typically run $0-$0. Severity: high.
The 3.0-litre V6 diesel (306DT / AJ-V6D) sold in the X351 in markets outside North America has a documented bottom-end weakness that is specific to that engine and does not apply to the petrol V6 or either V8. The crankshaft is compact and narrow, leaving thin sections between th… Repairs typically run $6,000-$15,000. Severity: high.
The XJ suffers from cascading electrical faults caused by body control module (BCM) software glitches and CAN bus communication errors. Phantom warning lights, inoperative features, and intermittent failures across multiple systems are common, especially after battery disconnecti… Repairs typically run $200-$1,500. Severity: medium.
The rear crankshaft main seal on AJ-V8 engines in the XJ develops a slow oil leak over time. The leak worsens as the seal hardens and the crankshaft seal surface develops minor wear grooves. Oil drips onto the transmission bellhousing and can contaminate the clutch on manual mode… Repairs typically run $800-$2,000. Severity: medium.
The Eaton TVS supercharger on the XJR and Supersport develops bearing wear in the nose cone assembly. The bearings dry out over time, producing a whining noise that increases with RPM. The coupler between the supercharger and the drive pulley also wears, causing rattle at idle. Repairs typically run $1,200-$3,500. Severity: medium.
A separate component and a separate failure from supercharger nose cone bearing wear: the AJ133 supercharger drive uses a spring-loaded torsional isolator on the blower's nose pulley to damp driveline shock. The end of the original spring bears directly against plastic, and over… Repairs typically run $900-$2,800. Severity: medium.
The X351 uses the JaguarDrive rotary selector that rises out of the centre console when the engine starts and retracts when it shuts down. The mechanism that lifts the dial fails, leaving the selector stuck flush in the console. Because gear selection is by-wire through that dial… Repairs typically run $400-$1,500. Severity: medium.
The X351's panoramic roof is a more complex assembly than the X350's simple sunroof: the front glass panel tilts and slides on its own motor, and there are two additional motorised fabric sunblinds, front and rear, each with its own drive. Owners report the roof or the blinds ref… Repairs typically run $200-$1,800. Severity: medium.
On the first 6,475 X351 XJs built for North America (28 July 2009 to 3 November 2010) the front wiper arm-to-spindle nuts were not torqued to specification. The arms can slip on the spindle, lose synchronisation, clash with each other and detach, wiping out visibility in rain — a… Repairs typically run $0-$0. Severity: medium.
The 2010-2019 X351's petrol engines drive a mechanical brake-booster vacuum pump off the camshaft at the front of the engine. The pump's plastic housing and its seal to the cylinder head harden and leak, leaving oil across the front of the engine and on the undertray; it is frequ… Repairs typically run $300-$1,200. Severity: low.
Condensation inside the wrap-around LED tail lamps is close to universal on the 2010-2019 X351. The lamps use LEDs that never get hot enough to dry the housing, and the two plastic vent bungs on the back of each unit trap moisture; when the sonic-welded seam between the lens and… Repairs typically run $0-$1,200. Severity: low.
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.