At a Glance
The Jeep Willys has 0 identified common problems across 1 generation (1941–1945) and brakes the most common problem category. Based on 5K MOT tests from DVSA data.
Problems are patterns in the DVSA data that occur significantly more often on a specific model than the UK average — confirmed at 99% statistical confidence. Read our DVSA MOT data methodology →
Below: generation-by-generation comparison of Jeep Willys common problems, MOT failure types, and pass-rate data drawn from DVSA records. Click any generation to see fuel- and engine-specific fault patterns, mileage-banded repair guidance, and the most common MOT failures testers record.
MOT Tests & Failures by Generation
Jeep Willys generations by MOT tests, failures, and identified problems from DVSA data
Hover over each bar for a full breakdown. Tap any bar to view that generation's problems.
Showing total MOT tests, failures, and known problems per make. Hover over each bar for a full breakdown.
Tell Us About Your Problem
Help other Jeep Willys owners — report a problem and we'll add it to the database
Tell Us About Your Problem
Help other Jeep Willys owners — report a problem and we'll add it to the database
Looking for a garage to repair your Jeep Willys?
Search our directory of 12,000+ UK garages by service and postcode — every garage has verified Google reviews.
Browse Jeep Willys Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Jeep Willys MOT Failures
Every reason Jeep Willys vehicles fail their MOT, ranked by frequency. Select an individual year to see only that year’s failures, or stay on ‘All time’ for the combined picture across our 20 years of DVSA data. Scroll inside the table for the full list.
| # | Failure | % of failures |
|---|---|---|
| 1 | Brake performance below minimum | 21.91% |
| 2 | Headlamp aim defect | 10.15% |
| 3 | Stop lamp not working | 9.56% |
| 4 | Indicator fault | 5.88% |
| 5 | Front lamp not working | 5.44% |
| 6 | Number plate lamp not working | 4.26% |
| 7 | Brake hydraulic component worn | 3.53% |
| 8 | Rear lamp not working | 3.38% |
| 9 | Horn not working | 2.35% |
| 10 | Track rod end worn | 2.21% |
| 11 | Front suspension fault | 2.06% |
| 12 | Position lamp not working | 1.91% |
| 13 | Wiper blades deteriorated | 1.91% |
| 14 | Suspension joint or bush worn | 1.91% |
| 15 | Brake fluid leak | 1.62% |
| 16 | Shock absorber worn or leaking | 1.62% |
| 17 | Drag link end worn | 1.47% |
| 18 | Exhaust system fault | 1.47% |
| 19 | Body corrosion or damage | 1.03% |
| 20 | Headlamp fault | 1.03% |
| 21 | Mirror damaged or missing | 1.03% |
| 22 | Steering box fault | 1.03% |
| 23 | Parking brake condition | 0.88% |
| 24 | Brake disc or drum worn | 0.74% |
| 25 | Tyre condition | 0.74% |
| 26 | King pin or swivel pin worn | 0.74% |
| 27 | Body security fault | 0.59% |
| 28 | Driveshaft fault | 0.59% |
| 29 | Fuel cap damaged or missing | 0.59% |
| 30 | Rear suspension fault | 0.59% |
| 31 | Steering lock fault | 0.59% |
| 32 | Windscreen washer not working | 0.59% |
| 33 | Tyre tread depth below limit | 0.59% |
| 34 | Fuel hose damaged or leaking | 0.44% |
| 35 | Steering arm worn | 0.44% |
| 36 | Steering free play excessive | 0.44% |
| 37 | Steering operation fault | 0.44% |
| 38 | Brake wheel cylinder fault | 0.29% |
| 39 | Leaf spring eye worn or broken | 0.29% |
| 40 | Spring mounting corroded | 0.29% |
| 41 | Steering rack fault | 0.29% |
| 42 | Suspension mounting corroded | 0.29% |
| 43 | Brake clevis joint worn | 0.15% |
| 44 | Brake linkage mounting fault | 0.15% |
| 45 | Brake pads or linings worn | 0.15% |
| 46 | Brake pedal fault | 0.15% |
| 47 | Brake pedal movement restricted | 0.15% |
| 48 | Front suspension joint worn | 0.15% |
| 49 | Fuel tank corroded or leaking | 0.15% |
| 50 | Leaf spring broken or corroded | 0.15% |
| 51 | Leaf spring shackle bracket corroded | 0.15% |
| 52 | Parking brake performance below minimum | 0.15% |
| 53 | Rigid brake pipe corroded or damaged | 0.15% |
| 54 | Securing bolts missing or insecure | 0.15% |
| 55 | Spark ignition emissions above threshold | 0.15% |
| 56 | Speedometer fault | 0.15% |
| 57 | Steering shaft fault | 0.15% |
| 58 | Suspension retaining or locking device fault | 0.15% |
| 59 | Tyre valve stem damaged | 0.15% |
| 60 | Wheel bearing worn | 0.15% |
| 61 | Steering coupling worn | 0.15% |
Showing all 61 reasons — scroll inside the table for the full list.
Jeep Willys MOT Failures by Category
Total MOT failure occurrences for the Jeep Willys, grouped by category. Same data as the failures table above — just sliced by category instead of fault title. Hover a slice for the top failures in each category.
Join as a car owner — free
Get MOT reminders, a pre-MOT checklist, and tools to compare garages near you.
MOT Reminders
Free email alerts 28 and 7 days before your MOT expires.
44-Point MOT Checklist
Printable checklist to inspect your car before the test.
Save Favourite Garages
Save garages you trust and compare their ratings side by side.
Already a member? Sign in
Frequently Asked Questions
What are the most common Jeep Willys problems?
Based on analysis of 5K Jeep Willys MOT tests from DVSA data, we have 0 identified common problems across 1 generation. Brakes is the most common problem category.
Which Jeep Willys generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Jeep Willys yet — either this is a well-engineered model across all its generations, or the sample size per generation is still small. Check individual generation pages for MOT failure and advisory breakdowns.
How is this data calculated?
We analyse anonymised DVSA MOT test records under the Open Government Licence. An issue is classified as a "Common Problem" when it occurs significantly more often on a specific model than the UK average, confirmed at 99% statistical confidence. Read the full methodology page for details.
Can I report a problem with my Jeep Willys?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Jeep Willys owners spot problems early. All submissions are reviewed before being added to the public database.
Search Vehicles With Common Problems
Find common car problems, MOT failures, and advisories for any make and model
