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CriticalCommonEngine

Holden Captiva: Z20S / Z20DMH 2.0D Diesel Timing Chain Failure (Fiat-Sourced Unit)

Z20S / Z20DMH 2.0D Diesel Timing Chain Failure (Fiat-Sourced Unit) is a common engine fault on the Holden Captiva on the 2006–2018 cars, and we rate it critical. Putting it right costs $2,500 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 18 documented faults on the Holden Captiva.

Vehicle
Holden Captiva
Engine
2.0L
Years
2006–2018
Fuel
diesel
Gearbox
auto
System
Engine

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

All Holden Captiva faults18 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 Captiva diesel uses a Fiat/VM Motori derived 2.0L diesel engine (Z20S, Z20DMH). This engine family has a documented timing chain wear problem, with chain stretch and guide failure leading to potential timing skip and engine damage. The chain can jump and cause bent valves or complete engine failure if not caught early. The fault is documented across multiple brands using this engine including Fiat, Alfa Romeo, Opel/Vauxhall Antara and Captiva. Widely regarded as the most serious pre-purchase concern for Captiva diesel.

What you would notice

  • Rattling noise from engine on start-up or at idle
  • Engine warning light with cam/crank timing codes
  • Rough running or misfires
  • Engine stops suddenly in advanced cases

How to check it

Where to look. Front of Z20S/Z20DMH diesel engine, timing chain and guide assembly

Cold-start and listen for chain rattle at the front of the engine. Scan for timing correlation fault codes. Review service records for any prior chain work. A vehicle with no chain service history above 120,000km should be treated as high-risk.

Parts involved: Timing chain.

What it costs to put right

$2,500 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 and guides been replaced?”
  • “Any rattling noises at startup?”
  • “Any engine warning lights or timing-related fault codes?”

Now check the Holden Captiva 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.

Holden Captiva buyer questions

Is z20s / z20dmh 2.0d diesel timing chain failure (fiat-sourced unit) serious on a Holden Captiva?

We rate it critical and common on the Holden Captiva. The Captiva diesel uses a Fiat/VM Motori derived 2.0L diesel engine (Z20S, Z20DMH). This engine family has a documented timing chain wear problem, with chain stretch and guide failure leading to potential timing skip and engine damage. The chain can jump and cause bent valves or complete engine failure if not caught early. The fault is documented across multiple brands using this engine including Fiat, Alfa Romeo, Opel/Vauxhall Antara and Captiva. Widely regarded as the most serious pre-purchase concern for Captiva diesel.

How much does it cost to fix on a Holden Captiva?

$2,500 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 Holden Captiva years are affected?

Our research records this fault on the 2006–2018 Holden Captiva. 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 and listen for chain rattle at the front of the engine. Scan for timing correlation fault codes. Review service records for any prior chain work. A vehicle with no chain service history above 120,000km should be treated as high-risk. Look here: Front of Z20S/Z20DMH diesel engine, timing chain and guide assembly