Skip to content
KickTyres
CriticalCommonEngine

Audi Q5: EA888 Timing Chain Tensioner Failure

EA888 Timing Chain Tensioner Failure is a common engine fault on the Audi Q5 on the 2008–2012 cars, and we rate it critical. Putting it right costs $2,800 to $6,000 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 20 documented faults on the Audi Q5.

Vehicle
Audi Q5
Engine
1.8L / 2.0L
Years
2008–2012
Fuel
petrol
System
Engine

This page covers the Audi Q5 as a model. Some faults only affect particular engines or build years — enter a plate below to narrow the list to one car.

All Audi Q5 faults20 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 CAEB and CDNB 2.0 TFSI engines in the Q5 8R share the EA888 Gen 1/2 architecture with its front-mounted hydraulic timing chain tensioner. Cold oil pressure is insufficient to maintain tensioner extension on start-up, allowing the chain to contact worn or cracked plastic guide rails. The additional thermal stress of the Q5's higher kerb weight and AWD system operation can accelerate guide wear. Chain rattle on cold starts is the first symptom; without correction the chain can skip a tooth causing misfires, or in extreme cases break and cause catastrophic engine damage.

What you would notice

  • Metallic rattling from front-right of engine on cold start, clearing within 10 seconds
  • Stored camshaft correlation codes P0016, P0017 on scan
  • Rough running on cold start until oil pressure builds
  • Metal particles visible in oil

How to check it

Where to look. Front of engine, right side timing chain cover

  1. Perform a cold-start with the bonnet open and listen closely at the front of the engine for 10–15 seconds.

  2. Scan for P0016, P0017, P0341, P0366 codes.

  3. Verify oil is correct level and specification (minimum VW 502.00).

  4. Request complete oil service history — extended intervals or incorrect spec oil are the primary cause of accelerated guide wear in this application.

Parts involved: Timing chain.

What it costs to put right

$2,800 to $6,000 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 or plastic guide rails been replaced?”
  • “Can you show full oil service records with dates and mileage?”
  • “Has a scan tool ever shown timing or camshaft correlation faults?”

Now check the Audi Q5 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.

Audi Q5 buyer questions

Is ea888 timing chain tensioner failure serious on a Audi Q5?

We rate it critical and common on the Audi Q5. The CAEB and CDNB 2.0 TFSI engines in the Q5 8R share the EA888 Gen 1/2 architecture with its front-mounted hydraulic timing chain tensioner. Cold oil pressure is insufficient to maintain tensioner extension on start-up, allowing the chain to contact worn or cracked plastic guide rails. The additional thermal stress of the Q5's higher kerb weight and AWD system operation can accelerate guide wear. Chain rattle on cold starts is the first symptom; without correction the chain can skip a tooth causing misfires, or in extreme cases break and cause catastrophic engine damage.

How much does it cost to fix on a Audi Q5?

$2,800 to $6,000 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 Audi Q5 years are affected?

Our research records this fault on the 2008–2012 Audi Q5. 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?

Perform a cold-start with the bonnet open and listen closely at the front of the engine for 10–15 seconds. Scan for P0016, P0017, P0341, P0366 codes. Verify oil is correct level and specification (minimum VW 502.00). Request complete oil service history — extended intervals or incorrect spec oil are the primary cause of accelerated guide wear in this application. Look here: Front of engine, right side timing chain cover