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Audi A1: 1.4 TFSI (EA111) timing chain tensioner rattle on cold start

1.4 TFSI (EA111) timing chain tensioner rattle on cold start is a common engine fault on the Audi A1 on the 2011–2018 cars, and we rate it major. Putting it right costs $1,500 to $3,200 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 14 documented faults on the Audi A1.

Vehicle
Audi A1
Engine
1.4L
Years
2011–2018
Fuel
petrol
System
Engine

This page covers the Audi A1 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 A1 faults14 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 8X A1's 1.4 TFSI uses a chain-driven cam with a hydraulic tensioner that loses tension when the engine is off. On start-up the chain can be slack for a moment, and on worn examples it rattles like a diesel for a second or two. If the tensioner is badly worn the chain can jump a tooth and bend valves, which turns a cheap job into a top-end rebuild. It is a well-known VAG small-petrol weakness, not a one-off.

What you would notice

  • Diesel-like rattle for 1-3 seconds on cold start
  • Rattle when the engine shuts off
  • Check-engine light with camshaft/crankshaft correlation codes
  • Rough running

How to check it

Where to look. Timing chain at the front/timing end of the engine, behind the accessory belt

Insist on a genuinely cold first start of the day (ask the seller not to warm it up before you arrive). Stand at the front and listen for a metallic rattle as it fires. Any rattle longer than a second is a warning. Ask for a service history showing the tensioner or chain kit has been done.

Parts involved: Timing chain.

What it costs to put right

$1,500 to $3,200 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 or tensioner ever been replaced?”
  • “Does it rattle on the first cold start of the day?”

Now check the Audi A1 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 the sources below. The inspection instructions and the cost estimate are KickTyres’ own interpretation of them.

  • VWVortex EA111 1.4 TSI timing chain tensioner threads
  • Audizine A1 8X owner discussions
  • ECU Testing / Eco Torque VAG 1.4 TSI chain guides

Audi A1 buyer questions

Is 1.4 tfsi (ea111) timing chain tensioner rattle on cold start serious on a Audi A1?

We rate it major and common on the Audi A1. The 8X A1's 1.4 TFSI uses a chain-driven cam with a hydraulic tensioner that loses tension when the engine is off. On start-up the chain can be slack for a moment, and on worn examples it rattles like a diesel for a second or two. If the tensioner is badly worn the chain can jump a tooth and bend valves, which turns a cheap job into a top-end rebuild. It is a well-known VAG small-petrol weakness, not a one-off.

How much does it cost to fix on a Audi A1?

$1,500 to $3,200 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 A1 years are affected?

Our research records this fault on the 2011–2018 Audi A1. 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?

Insist on a genuinely cold first start of the day (ask the seller not to warm it up before you arrive). Stand at the front and listen for a metallic rattle as it fires. Any rattle longer than a second is a warning. Ask for a service history showing the tensioner or chain kit has been done. Look here: Timing chain at the front/timing end of the engine, behind the accessory belt