At a Glance
The Jeep Cj7 has 0 identified common problems across 1 generation (1976–1986) and suspension the most common problem category. Based on 935 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 Cj7 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 Cj7 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.
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Tell Us About Your Problem
Help other Jeep Cj7 owners — report a problem and we'll add it to the database
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Browse Jeep Cj7 Generations
Select a generation to see its specific problems, MOT failures and advisories
Most Common Jeep Cj7 MOT Failures
Every reason Jeep Cj7 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 | 10.04% |
| 2 | Indicator fault | 4.77% |
| 3 | Windscreen washer not working | 4.27% |
| 4 | Wiper blades deteriorated | 4.14% |
| 5 | Body corrosion or damage | 3.89% |
| 6 | Exhaust system fault | 3.64% |
| 7 | Exhaust emissions above threshold (non-catalyst) | 3.51% |
| 8 | Headlamp aim defect | 3.51% |
| 9 | Brake hydraulic component worn | 3.39% |
| 10 | Stop lamp not working | 3.01% |
| 11 | Horn not working | 2.89% |
| 12 | Spring mounting corroded | 2.89% |
| 13 | Suspension joint or bush worn | 2.89% |
| 14 | Number plate lamp not working | 2.63% |
| 15 | Track rod end worn | 2.63% |
| 16 | Fog lamp not working | 2.51% |
| 17 | Steering box fault | 2.51% |
| 18 | Front lamp not working | 2.38% |
| 19 | Leaf spring broken or corroded | 1.76% |
| 20 | Chassis condition | 1.63% |
| 21 | Mirror damaged or missing | 1.51% |
| 22 | Parking brake condition | 1.51% |
| 23 | Battery loose or leaking | 1.38% |
| 24 | Position lamp not working | 1.38% |
| 25 | Parking brake performance below minimum | 1.25% |
| 26 | Dashboard warning lamp fault | 1.13% |
| 27 | Brake pedal fault | 1.00% |
| 28 | Drag link end worn | 1.00% |
| 29 | Shock absorber worn or leaking | 1.00% |
| 30 | Spark ignition emissions above threshold | 1.00% |
| 31 | Brake disc or drum worn | 0.88% |
| 32 | Headlamp fault | 0.88% |
| 33 | Rear fog lamp not working | 0.88% |
| 34 | Steering operation fault | 0.88% |
| 35 | Tyre condition | 0.88% |
| 36 | Rear lamp not working | 0.75% |
| 37 | Suspension mounting corroded | 0.75% |
| 38 | Electrical wiring fault | 0.63% |
| 39 | Flexible brake hose damaged | 0.63% |
| 40 | Front suspension fault | 0.63% |
| 41 | Electrical switch fault | 0.50% |
| 42 | Front suspension joint worn | 0.50% |
| 43 | Fuel pipe corroded or damaged | 0.50% |
| 44 | Leaf spring eye worn or broken | 0.50% |
| 45 | Seat belt condition | 0.50% |
| 46 | Brake fluid leak | 0.38% |
| 47 | Brake pads or linings worn | 0.38% |
| 48 | Brake pedal movement restricted | 0.38% |
| 49 | Leaf spring shackle bracket corroded | 0.38% |
| 50 | Steering free play excessive | 0.38% |
| 51 | Tyre size or type not matched | 0.38% |
| 52 | Steering coupling worn | 0.38% |
| 53 | King pin or swivel pin worn | 0.38% |
| 54 | Body strengthening plate corroded | 0.25% |
| 55 | Brake master cylinder fault | 0.25% |
| 56 | Dip switch fault | 0.25% |
| 57 | Fuel hose damaged or leaking | 0.25% |
| 58 | Handbrake cable fault | 0.25% |
| 59 | Handbrake mechanism or mounting fault | 0.25% |
| 60 | Hydraulic brake cylinder fault | 0.25% |
| 61 | Power steering pipe or hose leaking | 0.25% |
| 62 | Rear reflector damaged or missing | 0.25% |
| 63 | Steering column fault | 0.25% |
| 64 | Steering damper fault | 0.25% |
| 65 | Vehicle structure corrosion | 0.25% |
| 66 | Anchor bracket corroded | 0.13% |
| 67 | Bonnet catch or hinge fault | 0.13% |
| 68 | Brake caliper fault | 0.13% |
| 69 | Brake fluid reservoir fault | 0.13% |
| 70 | Brake lever fault | 0.13% |
| 71 | Brake pedal linkage fault | 0.13% |
| 72 | Brake servo fault | 0.13% |
| 73 | Driveshaft fault | 0.13% |
| 74 | Engine mounting worn or broken | 0.13% |
| 75 | Engine oil leak | 0.13% |
| 76 | Front passenger door fault | 0.13% |
| 77 | Fuel cap damaged or missing | 0.13% |
| 78 | Fuel tank corroded or leaking | 0.13% |
| 79 | Power steering pump fault | 0.13% |
| 80 | Power steering ram fault | 0.13% |
| 81 | Rear fog lamp warning light fault | 0.13% |
| 82 | Rear suspension fault | 0.13% |
| 83 | Securing bolts missing or insecure | 0.13% |
| 84 | Speedometer fault | 0.13% |
| 85 | Steering lock fault | 0.13% |
| 86 | Windscreen damage affecting view | 0.13% |
Showing all 86 reasons — scroll inside the table for the full list.
Jeep Cj7 MOT Failures by Category
Total MOT failure occurrences for the Jeep Cj7, 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.
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Frequently Asked Questions
What are the most common Jeep Cj7 problems?
Based on analysis of 935 Jeep Cj7 MOT tests from DVSA data, we have 0 identified common problems across 1 generation. Suspension is the most common problem category.
Which Jeep Cj7 generation has the most problems?
We haven't identified significant problem patterns specific to any single generation of the Jeep Cj7 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 Cj7?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Jeep Cj7 owners spot problems early. All submissions are reviewed before being added to the public database.
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