Car Model Guide/ Škoda/ Superb/ 3T/ 2.0 TDI CBAB/ Issues

2.0 TDI CBAB, known issues

3T · 2008–2015 · R4 High risk

Recorded issues5
Walk-away1
Over €1,0004
Checkable at viewing1/5
Likely spend€1,050

Likely spend is the mid cost of every issue rated common or universal, added together, what an unmaintained example owes over the next few years, not a prediction for any one car. Worst case if everything here failed at once is €7,900, which isn't a realistic scenario but is a useful ceiling.

All issues, by system

Engine

Oil-pump balance-shaft drive failureCBAB 2.0 TDI CR€700–€3,000
A sudden oil-pressure warning followed quickly by engine seizure, usually with little or no prior warning. The hex coupling that drives the oil pump off the balance-shaft module can round off, stopping oil delivery. The undersized early hex is the weak point; an updated module addressed it.
Check: You can't see it on a viewing, this is a paperwork check. Look for the updated oil-pump module in the history, or a specialist who has inspected it; treat an undocumented high-miler as carrying the risk.
Later parts: Updated oil-pump module with a larger hex drive
EngineoccasionalNot detectable at viewingwalk away without proofevidence: documented100–200k km

Emissions

DPF clogging and forced regenerationDPF€250–€1,800
Warning light, limp mode, oil level rising above the maximum mark from fuel dilution. The filter needs sustained hot running to regenerate. A car used for short urban trips never completes a regeneration cycle.
Check: Read the DPF soot load and the distance since the last regeneration on a scan tool, and check the engine oil level and smell it for diesel. Ask what the car was used for. A short-trip city diesel is the wrong car regardless of mileage.
EmissionscommonPartly detectableevidence: documented120–250k km
EGR cooler leakEGR cooler€400–€1,000
Coolant loss with no visible external leak, white smoke, sweet smell. The EGR cooler cracks internally and leaks coolant into the intake. BMW recalled affected diesels over a fire risk from glycol deposits igniting.
Check: Check coolant level and look for unexplained top-ups in the service history. Verify the recall was carried out. It's free and searchable by VIN.
EmissionsoccasionalPartly detectableevidence: manufacturer120–250k km

Transmission

DQ250 wet-clutch DSG mechatronic and service neglectVW group DQ250 six-speed wet-clutch DSG€700–€1,500
Jerky or harsh shifts, clutch flare or judder, an occasional drop to neutral or limp mode, and gearbox fault codes. Mechatronic valve-body and pressure-accumulator faults, aggravated by a missed 60,000 km oil-and-filter service. The wet six-speed is the more durable of the DSGs but not maintenance-free.
Check: Confirm the DSG oil-and-filter history, test-drive for harsh or flaring shifts at low speed and under load, and scan for gearbox faults.
TransmissionoccasionalPartly detectableevidence: documented80–160k km

Body & corrosion

Twin-opening tailgate mechanism faultsSuperb platform€200–€600
The tailgate refusing to switch between hatch and boot modes, sticking in one mode, or a rattle from the mechanism. The twin-opening tailgate carries a mechanism no other car in the group has, and its linkage and actuator wear. It's a nuisance rather than a serious fault, though parts are specific to this car.
Check: Open the tailgate in both modes several times, listening for the mechanism switching cleanly, and check the boot seal for damp.
Body & corrosionoccasionalDetectable at viewingevidence: documented100–200k km

How to read this

Every issue is authored once against the part that actually carries it: the engine, the gearbox, the chassis or a shared component, and inherited by every variant that has that part. The badge next to each issue says where it comes from, so you can tell an CBAB problem from an E9x problem.

Evidence tiers. Manufacturer means a recall, technical bulletin or revised part number. Documented means workshop data or multiple independent sources. Reported means owner consensus with no hard confirmation, and never sets a risk level on its own.

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