VW T5
Unit injector diesel with 63 kW, entry-level engine. Underpowered for the T5, but mechanically solid. Typical PD weakness: unit injectors wear from 200,000 km.
Hopelessly Underpowered
The 1.9 TDI AXC with 86 hp in the T5 is one of the weakest van options. Barely usable on motorways.
Engine Weaknesses 5
The PD elements wear and erode into the cylinder head bores. PD clamps are recommended as a preventive measure.
Symptoms: Poor cold start, rough running, black smoke under load, oil smells of diesel
In the AXC 1.9 TDI T5, the high forces of the PD elements contribute to premature scoring of the camshaft bearings. Repair requires cylinder head replacement including the camshaft.
Symptoms: Metallic grinding from valvetrain, oil pressure drop, engine stumbling, cold start problems
The PD elements exert extreme forces on the camshaft. At high mileages the hydraulic tappets, camshaft and adjustment screws must be replaced.
Symptoms: Rattling valvetrain noise, metal particles in oil filter, power loss, poor cold start
The DMF is a known weak point on the T5 1.9 TDI. Failures occur from 40,000 km, frequently between 120,000 and 180,000 km.
Symptoms: Metallic clatter at standstill, vibrations on pull-away, gear change problems at certain rev ranges
The EGR valve carbons up in short-trip use. Can seize and cause a breakdown. Cleaning with brake cleaner is often sufficient.
Symptoms: Power loss on pull-away, engine misfires, dark exhaust smoke, engine warning light with EGR fault code
Vehicle Weaknesses 9
The EGR cooler breaks down internally and releases aluminium particles into the intake tract, which can cause engine damage. Coolant loss with no visible leak is a typical early sign. Repair costs €1,100–2,200.
Door seals with metal cores have sharp edges that damage the rubber. Penetrating water corrodes the metal beneath. The powertrain subframe under the engine rusts heavily. Early model years affected from approximately 4–5 years old.
Rear coil springs typically break at the top coil without warning for the driver. Vehicles of all model years affected from 50,000 km. Aftermarket springs often don't fit — use only genuine VW springs. Cost €160–400.
Due to the high vehicle weight, shock absorbers wear noticeably from approximately 90,000–130,000 km. Rust on damper mounts on older models. Strut mounts creak when turning. Complete replacement costs approximately €900–1,400.
The gear linkage cables dry out and become stiff. On 6-speed gearboxes the shift head bolt on top of the gearbox comes loose. Cable lubrication for approximately €40, shift head repair kit approximately €40.
When the 2.5-litre TDI water pump fails it expels coolant externally via a hose near the right driveshaft. Water-in-oil contamination possible. Replacement costs approximately €300–600. White residue on the pump is an early warning sign.
On the T5 7H/7J the sliding door lock fails due to broken plastic parts and springs inside the lock. Since the lock cannot be dismantled into individual parts, complete replacement is required. Cost €51–92.
The 'save' microswitch in the electric sliding door sticks or fails, preventing opening and closing. A defective anti-trap sensor also permanently stops the door. Repair approximately €200 (switch approximately €5, mostly labour).
On the T5 7H/7J, the headliner backing separates from the foam from approximately 150,000 km due to foam ageing. Initially the edges above the windscreen drop, then bubbles and sagging areas spread further.