At a Glance
The Chevrolet Blazer has 10 identified common problems across 1 generation (1983–2005), with the All Years (1983-2005) being the most affected generation and brakes the most common problem category. Based on 13K 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 Chevrolet Blazer 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
Chevrolet Blazer 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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Browse Chevrolet Blazer Generations
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Most Common Chevrolet Blazer MOT Failures
Every reason Chevrolet Blazer 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 | Suspension joint or bush worn | 11.01% |
| 2 | Brake hydraulic component worn | 7.30% |
| 3 | Stop lamp not working | 5.33% |
| 4 | Wiper blades deteriorated | 5.21% |
| 5 | Brake performance below minimum | 5.13% |
| 6 | Fog lamp not working | 4.81% |
| 7 | Number plate lamp not working | 3.76% |
| 8 | Front lamp not working | 3.50% |
| 9 | Exhaust system fault | 3.34% |
| 10 | Tyre tread depth below limit | 3.07% |
| 11 | Windscreen washer not working | 3.05% |
| 12 | Shock absorber worn or leaking | 2.50% |
| 13 | Headlamp aim defect | 2.40% |
| 14 | Indicator fault | 2.29% |
| 15 | Driveshaft fault | 2.05% |
| 16 | Track rod end worn | 1.89% |
| 17 | Brake pads or linings worn | 1.76% |
| 18 | Front suspension fault | 1.51% |
| 19 | Tyre condition | 1.49% |
| 20 | Front suspension joint worn | 1.48% |
| 21 | Ball joint dust cover split | 1.26% |
| 22 | Parking brake performance below minimum | 1.25% |
| 23 | ABS fault | 1.14% |
| 24 | Body corrosion or damage | 1.14% |
| 25 | Brake disc or drum worn | 1.12% |
| 26 | Rear fog lamp not working | 1.02% |
| 27 | Rigid brake pipe corroded or damaged | 0.92% |
| 28 | Position lamp not working | 0.91% |
| 29 | Chassis condition | 0.88% |
| 30 | Rear lamp not working | 0.81% |
| 31 | Leaf spring broken or corroded | 0.79% |
| 32 | Headlamp fault | 0.77% |
| 33 | Mirror damaged or missing | 0.74% |
| 34 | Horn not working | 0.72% |
| 35 | Parking brake condition | 0.69% |
| 36 | Windscreen damage affecting view | 0.61% |
| 37 | Battery loose or leaking | 0.59% |
| 38 | Drag link end worn | 0.58% |
| 39 | Brake pedal fault | 0.52% |
| 40 | Spark ignition emissions above threshold | 0.52% |
| 41 | Suspension linkage fault | 0.48% |
| 42 | Wheel bearing worn | 0.44% |
| 43 | Seat belt condition | 0.43% |
| 44 | Airbag warning light on | 0.38% |
| 45 | Brake pedal movement restricted | 0.37% |
| 46 | Dashboard warning lamp fault | 0.35% |
| 47 | Steering arm worn | 0.34% |
| 48 | Electrical switch fault | 0.33% |
| 49 | Catalytic converter efficiency low | 0.30% |
| 50 | Brake fluid leak | 0.29% |
| 51 | Brake caliper fault | 0.27% |
| 52 | Suspension mounting corroded | 0.27% |
| 53 | Spring mounting corroded | 0.26% |
| 54 | Steering box fault | 0.25% |
| 55 | Steering free play excessive | 0.24% |
| 56 | Brake lever fault | 0.23% |
| 57 | Fuel cap damaged or missing | 0.22% |
| 58 | Rear reflector damaged or missing | 0.22% |
| 59 | Exhaust emissions above threshold (non-catalyst) | 0.21% |
| 60 | Rear suspension fault | 0.21% |
| 61 | Propshaft fault | 0.18% |
| 62 | Flexible brake hose damaged | 0.17% |
| 63 | Steering lock fault | 0.17% |
| 64 | Towbar fault | 0.17% |
| 65 | Electrical wiring fault | 0.15% |
| 66 | Fuel tank corroded or leaking | 0.15% |
| 67 | Steering operation fault | 0.15% |
| 68 | Vehicle structure corrosion | 0.15% |
| 69 | Compression ignition emissions above threshold | 0.14% |
| 70 | Tyre size or type not matched | 0.14% |
| 71 | Handbrake cable fault | 0.13% |
| 72 | Steering column fault | 0.13% |
| 73 | Steering rack fault | 0.12% |
| 74 | Handbrake lever fault | 0.11% |
| 75 | Steering intermediate drop arm worn | 0.11% |
| 76 | Fuel pipe corroded or damaged | 0.10% |
| 77 | Leaf spring shackle bracket corroded | 0.09% |
| 78 | Spare wheel fault | 0.09% |
| 79 | Brake fluid warning light on | 0.08% |
| 80 | Leaf spring eye worn or broken | 0.08% |
| 81 | Body security fault | 0.07% |
| 82 | Brake back plate corroded or damaged | 0.07% |
| 83 | Brake fluid level low or contaminated | 0.07% |
| 84 | Fuel hose damaged or leaking | 0.07% |
| 85 | Handbrake mechanism or mounting fault | 0.06% |
| 86 | Tyre valve stem damaged | 0.06% |
| 87 | Power steering pipe or hose leaking | 0.05% |
| 88 | Steering coupling worn | 0.05% |
| 89 | Bumper damaged or insecure | 0.04% |
| 90 | Driver airbag fault | 0.04% |
| 91 | Universal joint worn | 0.04% |
| 92 | Anchor bracket corroded | 0.04% |
| 93 | Bonnet catch or hinge fault | 0.04% |
| 94 | Coil spring broken or corroded | 0.04% |
| 95 | Engine oil leak | 0.04% |
| 96 | Anti-roll bar worn or corroded | 0.03% |
| 97 | Driver seat fault | 0.03% |
| 98 | Electronic stability control fault | 0.03% |
| 99 | Rear fog lamp warning light fault | 0.03% |
| 100 | Speedometer fault | 0.03% |
| 101 | Steering damper fault | 0.03% |
| 102 | Tyre pressure monitoring system fault | 0.03% |
| 103 | Brake cable, rod, lever or linkage fault | 0.02% |
| 104 | Indicator warning light fault | 0.02% |
| 105 | Passenger seat fault | 0.02% |
| 106 | Power steering pump fault | 0.02% |
| 107 | Steering shaft fault | 0.02% |
| 108 | Suspension retaining or locking device fault | 0.02% |
| 109 | King pin or swivel pin worn | 0.02% |
| 110 | Access panel damaged or insecure | 0.01% |
| 111 | Brake air or vacuum system fault | 0.01% |
| 112 | Brake master cylinder fault | 0.01% |
| 113 | Brake wheel cylinder fault | 0.01% |
| 114 | CV joint worn | 0.01% |
| 115 | Exhaust leak | 0.01% |
| 116 | Hydraulic fluid leak | 0.01% |
| 117 | Main beam warning light fault | 0.01% |
| 118 | Securing bolts missing or insecure | 0.01% |
| 119 | Steering lock stop fault | 0.01% |
| 120 | Steering wheel damaged or insecure | 0.01% |
| 121 | Suspension arm worn or corroded | 0.01% |
| 122 | Tailgate damaged or insecure | 0.01% |
| 123 | Additional braking device fault | <0.01% |
| 124 | Brake relay lever fault | <0.01% |
| 125 | Dip switch fault | <0.01% |
| 126 | Driver door fault | <0.01% |
| 127 | Front passenger door fault | <0.01% |
| 128 | Headlamp levelling device fault | <0.01% |
| 129 | Hydraulic brake cylinder fault | <0.01% |
| 130 | Load sensing valve fault | <0.01% |
| 131 | Loading door damaged or insecure | <0.01% |
| 132 | Power steering ram fault | <0.01% |
| 133 | Reversing lamp not working | <0.01% |
| 134 | Seat belt or padding damaged | <0.01% |
| 135 | Subframe mounting corroded | <0.01% |
| 136 | Suspension linkage attachment bracket or mounting corroded | <0.01% |
| 137 | Suspension unit fault | <0.01% |
| 138 | Tie bar or rod worn or corroded | <0.01% |
| 139 | Transmission oil leak | <0.01% |
Showing all 139 reasons — scroll inside the table for the full list.
Chevrolet Blazer MOT Failures by Category
Total MOT failure occurrences for the Chevrolet Blazer, 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 Chevrolet Blazer problems?
Based on analysis of 13K Chevrolet Blazer MOT tests from DVSA data, we have 10 identified common problems across 1 generation. The most frequently flagged issue is "Brake performance below minimum". Brakes is the most common problem category.
Which Chevrolet Blazer generation has the most problems?
The Chevrolet Blazer All Years (1983-2005) (1983–2005) has the highest number of identified common problems (12). Click the generation card above for the full breakdown.
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 Chevrolet Blazer?
Yes — use the "Tell Us About Your Problem" form on this page. Your report helps other Chevrolet Blazer owners spot problems early. All submissions are reviewed before being added to the public database.
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