Generations
ALLIED_GEN1 — Ford Transit Connect-based Allied
2016–2021
2.0 TDCi
Top issues to watch for
The most serious Ford Allied problems ranked by severity. We track 5 known issues — here are the ones you need to know about first.
Dangerous
Brake pipe corrosion (ALLIED_GEN1)
The brake pipes on Ford Allied models show severe corrosion at extremely low mileages, failing MOT tests at 105.8 times the national fleet average. This affects the steel brake lines that carry hydraulic pressure from the master cylinder to the calipers. The failure pattern suggests a design or coating issue specific to this model, as conventional brake pipe corrosion typically occurs much later in a vehicle's life. Early pipe failure represents a complete loss of braking capability.
What happens if ignoredCorroded brake pipes can fail without warning, resulting in complete loss of braking capability. This represents an immediate danger to vehicle occupants and other road users. Pipe replacement typically requires replacing the entire brake line run from front to rear. The vehicle must not be driven if brake pipe integrity is compromised.
Independent garage
£300–£600
Specialist
£400–£700
Main dealer
£500–£900
Parts only
£80–£150
Major
Suspension component joint wear (ALLIED_GEN1)
Ford Allied models experience suspension pin, bush and joint wear at 32.2 times the national fleet average, affecting vehicles across all mileage ranges including very low mileage examples. This suggests inadequate specification of suspension components for the vehicle's weight and intended commercial use. The pattern affects multiple suspension joints simultaneously, indicating a systematic under-engineering issue rather than normal wear progression.
What happens if ignoredWorn suspension components affect vehicle stability, steering precision, and tyre wear rates. Multiple component failure can lead to dangerous handling characteristics and MOT failure. Repair typically requires replacement of multiple bushes and joints simultaneously, making it expensive despite relatively low individual part costs.
Independent garage
£200–£500
Specialist
£250–£600
Main dealer
£350–£800
Parts only
£60–£200
Minor
Premature brake pad wear (ALLIED_GEN1)
Ford Allied models reach the brake pad wear indicator at 6.5 times the national fleet average, particularly in the 20,000-40,000 mile range. This suggests either inadequate pad compound specification for the vehicle's weight, or brake system issues causing uneven or excessive pad consumption. The pattern indicates a design issue rather than driver behaviour, as it affects multiple vehicles consistently.
What happens if ignoredExcessively worn brake pads reduce braking effectiveness and can damage the brake discs if allowed to wear to the metal backing plate. Disc damage significantly increases repair costs. Regular pad inspection is essential given the accelerated wear rate on this model.
Independent garage
£80–£150
Specialist
£100–£180
Main dealer
£120–£220
Parts only
£25–£60
Minor
CV joint boot failure (ALLIED_GEN1)
The rubber boots protecting the constant velocity joints on Ford Allied driveshafts fail at 3.1 times the national fleet average. These boots prevent dirt and moisture from contaminating the CV joint grease. Boot failure is typically caused by poor quality rubber compounds or inadequate protection from road debris and heat cycling. Once split, the joint will deteriorate rapidly unless re-greased and re-booted.
What happens if ignoredA split CV joint boot allows contamination of the joint with dirt and moisture while allowing the protective grease to escape. The joint will wear rapidly and eventually fail completely, requiring driveshaft replacement. Early detection allows boot replacement which is significantly cheaper than joint replacement.
Independent garage
£60–£120
Specialist
£70–£140
Main dealer
£90–£180
Parts only
£15–£35
1 more known issues tracked
Including wear items, electrical niggles, and generation-specific problems.
MOT failure hotspots
Based on DVSA MOT test data. These are the items where the Ford Allied fails at a significantly higher rate than the average car.
Brake pipes corroded
Brakes · 20-40k miles
MOT failure rate: 106x the fleet average
Sample: 2,803 tests
Anti-roll bar links worn
Suspension · 40-60k miles
MOT failure rate: 32x the fleet average
Sample: 2,298 tests
Seat mounting fault
Seatbelts & Airbags · 20-40k miles
MOT failure rate: 13x the fleet average
Sample: 3,249 tests
Stop lamp missing, inoperative or in the case o...
Lights & Electrics · 20-40k miles
MOT failure rate: 13x the fleet average
Sample: 4,590 tests
Tyre wear or damage
Tyres · 0-20k miles
MOT failure rate: 7.1x the fleet average
Sample: 2,510 tests
Brake lining or pad worn down to wear indicator
Brakes · 20-40k miles
MOT failure rate: 6.5x the fleet average
Sample: 4,302 tests
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Related
Ford Allied reliability FAQs
What are the most common problems with the Ford Allied?
The Ford Allied has 5 known issues across 3 severity levels. The most serious are: Brake pipe corrosion (ALLIED_GEN1).
Is the Ford Allied reliable?
The Ford Allied has 1 dangerous and 1 major known issues. Most can be avoided with a thorough pre-purchase check and full service history.
How much does it cost to fix Ford Allied problems?
Repair costs range widely. The most significant issue (Brake pipe corrosion (ALLIED_GEN1)) costs £300–£600 at an independent garage. Minor issues can be under £200. Always get a full inspection before buying.