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Volkswagen Passat: 2.0 TSI Timing Chain Tensioner Failure (AXX/BWA)

2.0 TSI Timing Chain Tensioner Failure (AXX/BWA) is a common engine fault on the Volkswagen Passat on the 2005–2010 cars, and we rate it critical. Putting it right costs $1,800 to $4,500 at New Zealand independent workshop rates. Below is what goes wrong, the symptoms to notice on a test drive, where to look, and what to ask the seller before you hand over any money. It is one of 26 documented faults on the Volkswagen Passat.

Vehicle
Volkswagen Passat
Engine
2.0L
Years
2005–2010
Fuel
petrol
System
Engine

This page covers the Volkswagen Passat as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Volkswagen Passat faults26 documented faults on this model

What you are looking at

The front of a dual overhead camshaft engine with the timing cover removed, exposing the timing chain and sprockets.Example of the part — not this vehicle

The front of a twin-cam engine with the timing cover off — chain, sprockets and guides.

Logansenf · CC BY-SA 4.0 · Wikimedia Commons

What goes wrong

The AXX and BWA 2.0 TFSI engines use a hydraulic timing chain tensioner that loses oil pressure when oil changes are neglected or when low-viscosity oil degrades. The tensioner fails to maintain chain tension, allowing the chain to skip or jump timing. This can bend valves and cause catastrophic engine damage within seconds. The fault is most acute at cold start and at higher mileages exceeding 80,000 km without tensioner inspection. VW extended warranty coverage and issued a service campaign in multiple markets.

What you would notice

  • Rattling noise from front of engine on cold start, subsiding after warm-up
  • Check engine light with camshaft/crankshaft correlation fault codes (P0016, P0017)
  • Rough idle or misfires after cold start
  • Engine cutting out or catastrophic failure if chain jumps

How to check it

Where to look. Timing chain and tensioner on passenger-side front of engine block behind timing cover

  1. Cold-start the engine and listen immediately for a metallic rattle from the timing cover area (front of engine, passenger side).

  2. Scan for P0016/P0017 or camshaft position sensor faults.

  3. Check oil service history — oil must be VW 502.00 spec changed every 10,000 km.

  4. Inspect oil filler cap interior for sludge.

  5. On high-mileage examples, confirm tensioner replacement has been carried out.

Parts involved: Timing chain.

What it costs to put right

$1,800 to $4,500 at New Zealand independent workshop rates. That is for this job on its own, not for the car.

An estimate, in NZD, for the repair as normally carried out. What a specific car costs depends on which part has failed and what it damaged on the way — treat this as the floor for a negotiation, not a quote.

Ask the seller

  • “Has the timing chain tensioner been replaced or inspected?”
  • “Can you show oil change history with correct VW 502.00-spec oil at no more than 10,000 km intervals?”
  • “Has the car ever rattled on cold start?”

Now check the Volkswagen Passat you are actually looking at

Everything above is true of the model, and it is free. What it does not tell you is whether THIS car has been looked after: its odometer history and whether the reading has ever gone backwards, whether there is still money owing on it, whether it has been reported stolen, how many owners it has had and what it is really worth today. That comes from the official records for that plate. Enter the plate for the free details, or get the full history and a market valuation from $13.49.

Not sure what you would be paying for? See what a full KickTyres check includes.

Where this comes from

The failure described above is documented in published sources — owner forums, technical service bulletins, recall notices and workshop write-ups — held in our fault database. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them, and it is a starting point for an inspection rather than a manufacturer statement.

Volkswagen Passat buyer questions

Is 2.0 tsi timing chain tensioner failure (axx/bwa) serious on a Volkswagen Passat?

We rate it critical and common on the Volkswagen Passat. The AXX and BWA 2.0 TFSI engines use a hydraulic timing chain tensioner that loses oil pressure when oil changes are neglected or when low-viscosity oil degrades. The tensioner fails to maintain chain tension, allowing the chain to skip or jump timing. This can bend valves and cause catastrophic engine damage within seconds. The fault is most acute at cold start and at higher mileages exceeding 80,000 km without tensioner inspection. VW extended warranty coverage and issued a service campaign in multiple markets.

How much does it cost to fix on a Volkswagen Passat?

$1,800 to $4,500 at New Zealand independent workshop rates. That figure is for this job on its own. A car showing the symptoms on this page is usually worth either walking away from or negotiating down by at least the repair figure.

Which Volkswagen Passat years are affected?

Our research records this fault on the 2005–2010 Volkswagen Passat. Build dates move around, especially on imported cars, so treat the range as the years to look hardest at rather than a guarantee either way. The official records tell you the exact build and first registration date for the car in front of you.

How do I check for it before I buy?

Cold-start the engine and listen immediately for a metallic rattle from the timing cover area (front of engine, passenger side). Scan for P0016/P0017 or camshaft position sensor faults. Check oil service history — oil must be VW 502.00 spec changed every 10,000 km. Inspect oil filler cap interior for sludge. On high-mileage examples, confirm tensioner replacement has been carried out. Look here: Timing chain and tensioner on passenger-side front of engine block behind timing cover