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Renault2008–2023 Critical issues documented

Renault Koleos HZG: common faults & what to check

The HZG is the Renault Koleos built 2016 onward. It was sold here with the 2.5 petrol. Of the 17 faults documented for the Koleos, 12 apply to this generation, each with its symptoms, what to inspect and a typical repair cost. Free, no account needed.

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  • Money owing
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  • NZ owned and operated

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17

Documented faults

Critical

Most serious

$700–$3,200

Typical repair

7

Systems covered

You're looking at the HZG · 2.5 petrol

Everything below is narrowed to this variant. Pick a different one to change it.

Choose a different generation

Now narrow it to the engine

A 1.8 and a 2.4 of the same car do not fail the same way, so the faults below narrow to the engine as well as the year. Free, no account needed.

Which engine is in it?

2.5 petrol· 2.5 litre petrol

A 2017 Renault Koleos is the HZG generation (2016 to now).

Start your free check on this Renault Koleos

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Renault Koleos HZG

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Can't confirm for this car

Renault Koleos · 2017

Narrowed to the year. No engine is recorded for this vehicle. Pick an engine to see which faults apply.

Tell us the engine, or check the engine code on the car, before relying on this.

  • No engine is recorded for this vehicle.

matched on year only

What to look out for

The checks worth doing on a Renault Koleos before you hand over any money. Every documented fault is listed below, each with its own page.

  • Costly issue

    Apply and release the electronic parking brake several times and confirm it engages and frees cleanly with no warning light or repeated clicking.

    See why

    Electronic parking-brake actuator faults

    The current Koleos uses an electronic parking brake, and the actuator motors can fail, showing a parking-brake warning light and clicking without the brake actually releasing or applying. It can leave the car unable to release the handbrake or unsure it is held. It is a contained repair (actuator replacement), but a parking brake that won't release strands the car, so treat any warning light seriously.

    What you would notice

    • Parking-brake warning light on dash
    • Clicking without the brake releasing
    • Handbrake slow or won't release
    • Message to check the parking brake

    Typically $400–$1,200 to put right.

  • Common issue

    Spend a few minutes with the touchscreen – switch between menus, pair a phone, use the reversing camera and check it doesn't freeze or lag.

    See why

    R-Link 2 infotainment freezing and electrical niggles

    The current Koleos's R-Link 2 touchscreen is a common complaint – it freezes, reboots itself, loses Bluetooth or is slow to respond. Owners also report climate-control faults (weak airflow, poor heating/cooling from failing blend-door motors). These are annoyance-and-cost items rather than safety issues, but a dead or laggy head unit and a heater that won't blend are irritating to live with and not always cheap to fix.

    What you would notice

    • Touchscreen freezes or reboots
    • Bluetooth/phone connection drops
    • Slow or unresponsive screen
    • Weak or wrong-temperature air from the vents

    Typically $200–$1,500 to put right.

See all 12 issues for this oneDocumented for the exact year and engine you picked, including 3 rated critical.
Electrical1

01R-Link 2 infotainment freezing and electrical niggles

Spend a few minutes with the touchscreen – switch between menus, pair a phone, use the reversing camera and check it doesn't freeze or lag.2016 onwardElectrical
CommonElectrical $200–$1,500 to fix

The current Koleos's R-Link 2 touchscreen is a common complaint – it freezes, reboots itself, loses Bluetooth or is slow to respond. Owners also report climate-control faults (weak airflow, poor heating/cooling from failing blend-door motors). These are annoyance-and-cost items rather than safety issues, but a dead or laggy head unit and a heater that won't blend are irritating to live with and not always cheap to fix.

Symptoms to notice

  • Touchscreen freezes or reboots
  • Bluetooth/phone connection drops
  • Slow or unresponsive screen
  • Weak or wrong-temperature air from the vents

What to check

  1. Spend a few minutes with the touchscreen – switch between menus, pair a phone, use the reversing camera and check it doesn't freeze or lag.
  2. Run the climate control through hot and cold and check airflow from all vents.
  3. Confirm the reversing camera and speakers work.

Where to look: Centre-dash infotainment screen; climate-control unit behind the dash

Ask the seller

  • “Does the touchscreen ever freeze, reboot or drop Bluetooth?”
  • “Does the climate control heat, cool and blow strongly from all vents?”
Body, brakes, suspension & interior1

02Electronic parking-brake actuator faults

Apply and release the electronic parking brake several times and confirm it engages and frees cleanly with no warning light or repeated clicking.2016 onwardBrakes
OccasionalBrakes $400–$1,200 to fix

The current Koleos uses an electronic parking brake, and the actuator motors can fail, showing a parking-brake warning light and clicking without the brake actually releasing or applying. It can leave the car unable to release the handbrake or unsure it is held. It is a contained repair (actuator replacement), but a parking brake that won't release strands the car, so treat any warning light seriously.

Symptoms to notice

  • Parking-brake warning light on dash
  • Clicking without the brake releasing
  • Handbrake slow or won't release
  • Message to check the parking brake

What to check

  1. Apply and release the electronic parking brake several times and confirm it engages and frees cleanly with no warning light or repeated clicking.
  2. Check the dash on start-up for a parking-brake message.
  3. Ask whether either rear actuator has been replaced.

Where to look: Electronic parking-brake actuators on the rear calipers

Ask the seller

  • “Does the electronic parking brake apply and release cleanly every time?”
  • “Has a parking-brake actuator ever been replaced?”
Depends on the exact engine — 10 moreDocumented for a specific engine we could not confirm from what you picked. Check the engine code on the car.
Engine, transmission & cooling8

01R9M 1.6 dCi Timing Belt Tensioner Premature Failure

Verify recall completion via Renault dealer VIN check or ACCC/NZTA recall database.diesel2016–2020Engine
OccasionalEngine $900–$6,500 to fix

Can't confirm for this car

The R9M 1.6-litre diesel engine uses a timing belt in oil (TBIO) system where the belt, tensioner, and idler run submerged in engine oil rather than dry. The hydraulic tensioner on early R9M builds was found to lose pressure prematurely, allowing timing belt slack. Belt skip causes immediate valve-to-piston contact and catastrophic internal engine damage. Renault issued a safety recall in multiple markets (including Australian recall 2017/039 and European campaigns) requiring early inspection and replacement of the tensioner and belt. Vehicles whose tensioner has not been updated to the revised specification or which have exceeded the recommended inspection interval remain at risk.

Symptoms to notice

  • Sudden engine stall with no warning, often at low speed
  • Loud mechanical bang or rattle immediately before engine cut-out
  • Engine cranks but will not start after a stall event (bent valves)
  • Ticking or rattling noise from the timing cover area on cold start
  • Oil pressure light illuminating just before catastrophic failure

What to check

  1. Verify recall completion via Renault dealer VIN check or ACCC/NZTA recall database.
  2. Confirm timing belt and tensioner replacement date and mileage.
  3. A TBIO system that has not had the tensioner updated to the revised part number is high-risk.
  4. Listen for any rattling on cold start that could indicate belt slack.

Where to look: Front of engine, behind timing cover on the auxiliary side

Parts involved: Timing belt.

Ask the seller

  • “Has the Renault timing belt tensioner recall been completed, and can you show the dealer paperwork?”
  • “When was the timing belt and tensioner last replaced, and at what odometer reading?”
  • “Has the vehicle ever stalled unexpectedly or been difficult to restart?”

02MR18DE / QR25DE Timing Chain Stretch

Cold-start the engine and listen at the front of the engine bay for chain rattle during the first 30 seconds.petrol2008–2019Engine
OccasionalEngine $2,500–$5,500 to fix

Can't confirm for this car

The Nissan-sourced MR18DE 1.8-litre and QR25DE 2.5-litre petrol engines fitted to the Koleos are documented for timing chain stretch when oil changes are extended beyond recommended intervals. The hydraulic tensioner wears and allows the chain to slack, risking jumping a tooth and bending valves. This fault is documented across the shared Nissan X-Trail / Qashqai platform and confirmed in Koleos owner communities in NZ and Australia.

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

Symptoms to notice

  • Metallic rattling from front of engine on cold start, fades when warm
  • Check engine light with VVT or camshaft position sensor fault codes
  • Rough running on cold start that clears after warm-up
  • Engine fails to start in advanced stretch cases

What to check

  1. Cold-start the engine and listen at the front of the engine bay for chain rattle during the first 30 seconds.
  2. Confirm oil change records — stretched chains are most common above 150,000 km with irregular servicing.
  3. Scan for camshaft-related codes.

Where to look: Front of engine behind timing cover

Parts involved: Timing chain.

Ask the seller

  • “What oil change interval has been followed?”
  • “Has the timing chain or tensioner ever been replaced or inspected?”
  • “Has there ever been any rattling on cold start?”

03CVT judder, whine and hesitation

Drive it in stop-start conditions and on an on-ramp; feel for hesitation, jerk or shudder and listen for a whine or hum.petrol2016 onwardTransmissionRead the full fault: symptoms, where to look, what to ask the seller

04Diesel Particulate Filter (DPF) Irreversible Blockage – Short-Trip Use

Look for the DPF warning light in the instrument cluster.diesel2016–2023EngineRead the full fault: symptoms, where to look, what to ask the seller

05Rear AWD Coupling (Haldex-Style) Fluid Degradation and Clutch Pack Wear

Check the AWD coupling fluid service history against the 60,000 km recommended interval.2016–2023Transmission
OccasionalTransmission $500–$2,800 to fix

Can't confirm for this car

AWD Koleos models use an electronically-controlled rear-axle coupling (referred to by Renault as the 'All Mode 4x4-i' system) to distribute torque to the rear wheels on demand. The coupling contains a multi-plate wet clutch pack bathed in proprietary hydraulic fluid. Renault specifies fluid replacement at 60,000 km intervals, but this is frequently overlooked during routine servicing. Degraded fluid loses its friction modifier properties, causing the clutch plates to slip and wear, leading to judder under AWD engagement, reduced traction, and ultimately coupling seizure or overheating. Seized couplings can also damage the rear differential.

Symptoms to notice

  • Shudder or vibration when turning tightly in AWD mode, particularly on dry pavement
  • AWD system warning light or reduced AWD engagement notice on the instrument cluster
  • Rear of vehicle feels loose or fails to engage AWD in slippery conditions when selected
  • Burning smell from the rear drivetrain area under sustained AWD use
  • Coupling housing discoloured blue or brown from overheating

What to check

  1. Check the AWD coupling fluid service history against the 60,000 km recommended interval.
  2. On a test drive, engage AWD lock mode and make a tight turn at low speed — shudder or binding indicates worn clutch pack.
  3. Scan for AWD/4WD fault codes.
  4. Inspect coupling body for heat discolouration or fluid seepage at the seals.

Where to look: Rear axle, mounted directly ahead of the rear differential on the propshaft output

Parts involved: Clutch.

Ask the seller

  • “Has the rear AWD coupling fluid ever been replaced, and at what mileage?”
  • “Has the AWD system warning light ever come on or been diagnosed?”
  • “Does the vehicle exhibit any shudder or binding when making tight turns in AWD mode?”

06M9R 2.0 dCi EGR Cooler Matrix Cracking

Check coolant reservoir level against service history; unexplained coolant consumption is the primary tell.diesel2016–2023CoolingRead the full fault: symptoms, where to look, what to ask the seller

07Jatco CVT Fluid Degradation and Belt Judder

Test drive with smooth, gentle acceleration from rest — feel for any shudder or vibration between 10–30 km/h.petrol2008–2019TransmissionRead the full fault: symptoms, where to look, what to ask the seller

08CVT Xtronic (Jatco JF016E) Shudder and Judder Under Light Load

Test drive at constant light throttle between 20–50 km/h on flat road; feel for rhythmic shudder through seat and floor.petrol2016–2023TransmissionRead the full fault: symptoms, where to look, what to ask the seller
Body, brakes, suspension & interior2

01M9R 2.0 dCi Mechanical Vacuum Pump Failure

diesel2016–2023Brakes
OccasionalBrakes $600–$1,600 to fix

Can't confirm for this car

The M9R 2.0-litre diesel engine uses a mechanically driven vacuum pump mounted on the cylinder head to supply vacuum for the brake booster, as the diesel engine does not produce adequate manifold vacuum. The vane-type pump is lubricated by engine oil and its internal vanes and rotor can wear prematurely, particularly if the oil is degraded or the engine suffers from cold-start oil starvation. When the pump fails partially it reduces brake servo assistance, increasing pedal effort. Complete failure eliminates power braking and significantly increases stopping distances. Some failures are preceded by a distinct sucking or whirring noise from the top of the engine.

Symptoms to notice

  • Brake pedal feels hard and requires substantially more force than normal to achieve braking
  • Increased stopping distances especially in emergency braking situations
  • Sucking, whirring, or rattling noise from the top of the engine near the cam cover
  • Vacuum hose to brake booster collapsed or oil-contaminated internally
  • Brake warning light in combination with an unusually stiff pedal

What to check

  1. With engine running, press the brake pedal firmly and check for normal servo assistance (first press should feel firm with good assistance, not wooden or requiring excessive force).
  2. Inspect the vacuum hose from pump to brake booster for cracks or collapse.
  3. Listen for a sucking or whirring noise from the cam cover area at idle.
  4. Inspect the pump oil feed union for seepage.

Where to look: Top rear of cylinder head, driven off the camshaft, connected to brake booster via vacuum hose

Parts involved: Cylinder head.

Ask the seller

  • “Has the brake pedal ever felt unusually hard or required more effort than normal?”
  • “Has the vacuum pump ever been inspected or replaced during the vehicle's service history?”
  • “Has any unusual noise been noticed from the top of the engine at idle?”

02Rear Propshaft Centre Support Bearing Deterioration (AWD)

Inspect the rubber isolator for cracking or collapse.2016–2023Suspension
CommonSuspension $350–$950 to fix

Can't confirm for this car

On all-wheel-drive Koleos variants the two-piece rear propshaft is supported midway by a rubber-mounted centre bearing bolted to the underbody crossmember. The rubber isolator in this bearing deteriorates with age and heat cycling, allowing the bearing race itself to develop play and corrosion. The result is a progressively worsening vibration felt through the floor and seat at highway speeds (typically 80–120 km/h), often accompanied by a rhythmic droning or humming that changes with vehicle speed rather than engine rpm. The fault is relatively inexpensive to repair if caught early but can damage the rear differential input seal if ignored.

Symptoms to notice

  • Vibration felt through the floor and driver's seat at 80–120 km/h, speed-dependent not engine-dependent
  • Droning or humming sound from underneath the vehicle at highway speed
  • Vibration worsens as speed increases and lessens when coasting
  • Slight clunk when engaging drive from rest on AWD models
  • Rear differential input seal weeping oil in advanced cases

What to check

  1. Inspect the rubber isolator for cracking or collapse.
  2. Test drive at 90–110 km/h on smooth road for floor-transmitted vibration or drone that varies with speed but not gear.
  3. Check for oil seepage at rear differential input flange.
  4. If a workshop inspection is possible: On a hoist, grasp the rear propshaft and check for radial play at the centre support bearing.

Where to look: Underside of vehicle, centre of rear propshaft where it passes through the underbody mount approximately midway between gearbox and rear differential

Parts involved: Differential, Body corrosion.

Ask the seller

  • “Has any vibration or droning ever been noticed at highway speeds on the open road?”
  • “Has the propshaft or rear drivetrain ever been inspected or serviced?”
  • “Has the rear differential fluid been changed at the recommended interval?”
Other Renault Koleos engines and years5 documented issues that do not apply to the one you picked.
Engine, transmission & cooling4

01CVT (X-CVT) slipping, whine and oil-cooler coolant intrusion

petrol2008–2016TransmissionRead the full fault: symptoms, where to look, what to ask the seller

02H5Ft 1.3T Timing Chain Stretch and Cold-Start Rattle

Listen for chain rattle on a cold start before oil pressure builds (first 2–3 seconds).petrol2019–2023Engine
OccasionalEngine $1,800–$4,500 to fix

Does not apply

The H5Ft 1.3-litre turbocharged four-cylinder petrol engine (a Renault-developed unit co-produced with Mercedes-Benz as the M282) is documented to exhibit timing chain stretch and chain guide wear within relatively low mileage, typically 40,000–90,000 km. On cold start, a characteristic rattle emanates from the timing chest until oil pressure builds. Stretched chain and worn tensioner allow chain skip, which shifts cam timing and can cause valve contact in severe cases. Chain tensioner oil feed passages are also sensitive to extended oil change intervals; using oil beyond its service life accelerates wear.

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

Symptoms to notice

  • Rattling or chattering noise from the front of the engine on cold start, clearing within seconds
  • P0016 or P0017 cam/crank correlation fault codes stored in ECU
  • Rough idle or misfires caused by retarded cam timing
  • Check engine light appearing after cold soak in winter conditions
  • Rattle becoming louder and persisting longer as chain wear progresses

What to check

  1. Listen for chain rattle on a cold start before oil pressure builds (first 2–3 seconds).
  2. Scan ECU for cam/crank correlation faults (P0016, P0017).
  3. Check oil service history meticulously — extended intervals accelerate tensioner wear.
  4. Request documentation of any Renault TSB timing-chain updates applied.

Where to look: Front of engine block, within timing chest cover

Parts involved: Timing chain.

Ask the seller

  • “Has the engine ever produced a rattling noise on cold start, even briefly?”
  • “Can you confirm the oil change intervals and what specification of oil was used?”
  • “Has any dealer flagged timing chain or cam sensor faults during servicing?”

03Rear differential / 4WD coupling wear on AWD diesel

On an AWD car drive slow tight circles in a car park listening for binding, clunk or whine from the rear.diesel2008–2016Transmission
OccasionalTransmission $1,500–$4,000 to fix

Does not apply

On all-wheel-drive 2.0 dCi Koleos the driveline components – rear differential and the electronically controlled coupling that sends drive rearward – can wear or break, with owners reporting internal differential damage from around 80,000 km. Symptoms are whining, clunking or vibration from the rear on turns, or the AWD warning light. It is not universal, but a driveline repair on a part-time 4WD SUV is not cheap, so it is worth checking on an AWD example.

Symptoms to notice

  • Whine or clunk from the rear driveline
  • Vibration or binding on tight turns
  • 4WD/AWD warning light
  • Noise that changes with cornering

What to check

On an AWD car drive slow tight circles in a car park listening for binding, clunk or whine from the rear. Check for a 4WD warning light and ask whether the rear diff or coupling has had work. Mismatched or badly worn tyres can also stress the AWD system, so check tread across all four.

Where to look: Rear differential and AWD coupling under the rear of the car

Parts involved: Differential.

Ask the seller

  • “Any noise, clunk or vibration from the rear driveline?”
  • “Has the rear differential or 4WD coupling ever been serviced or replaced?”

042.0 dCi DPF blockage and EGR clogging

Ask how the car has been used – a short-trip town car is higher risk.diesel2008–2016EngineRead the full fault: symptoms, where to look, what to ask the seller
Fluid leaks1

01Front Differential Input Shaft Oil Seal Leak (4WD Models)

Check front differential oil level.petrol2008–2016Fluid Leaks
OccasionalFluid Leaks $450–$1,200 to fix

Does not apply

4WD Koleos models use a Borg Warner transfer case feeding the front differential. The front differential input shaft oil seals are documented to weep at moderate mileage, allowing differential oil to contaminate the front crossmember and front driveshafts. Running the differential oil low causes bearing and gear damage. Documented by NZ and AU independent 4WD and Renault workshops.

Symptoms to notice

  • Oil spots under the front-centre of the vehicle
  • Differential oil level low on service inspection
  • Faint whine from front differential under load
  • Oil residue on front subframe or inner driveshaft

What to check

  1. Check front differential oil level.
  2. Inspect front crossmember for oil contamination or staining.
  3. If a workshop inspection is possible: On hoist, inspect the front differential input shaft seal and transfer case output seals for oil weeping.

Where to look: Front differential housing, lower front of drivetrain

Parts involved: Differential.

Ask the seller

  • “Has the front differential oil seal been replaced?”
  • “Has the differential oil been checked recently?”
  • “Have you noticed any oil spots where the car parks?”

Renault Koleos faults in detail

Narrowed to the Renault Koleos · 2017. Each of these has its own page: the symptoms, where to look, what to ask the seller and what the repair costs. Free, no account needed.

CVT judder, whine and hesitationMajor · TransmissionCVT Xtronic (Jatco JF016E) Shudder and Judder Under Light LoadMajor · TransmissionDiesel Particulate Filter (DPF) Irreversible Blockage – Short-Trip UseMajor · EngineJatco CVT Fluid Degradation and Belt JudderMajor · TransmissionM9R 2.0 dCi EGR Cooler Matrix CrackingMajor · Cooling

What these repairs cost on other cars

Some of the Renault Koleos’s documented faults are repairs other models share. Each page lists the documented NZ cost for every model it affects.

Other Renault models

Renault Megane27 documented faultsRenault Clio15 documented faultsRenault Trafic15 documented faultsRenault Lutecia11 documented faultsRenault Laguna8 documented faultsRenault Captur6 documented faults

Renault Koleos buyer questions

Is the Renault Koleos reliable?

Like any used car, it depends on the specific example and its service history. Across the 17 documented faults for the Renault Koleos, the recurring problem areas are engine, brakes, and transmission. A Renault Koleos with a full service history and no signs of the issues listed on this page can be a sound buy but each one needs to be checked individually before you commit.

What are the most common problems with a used Renault Koleos?

We've catalogued 17 known faults for the Renault Koleos, covering engine, brakes, and transmission. All 17 are written out in full on this page, with the symptoms to notice, what to inspect, and typical repair costs for each. Free to read, no account needed.

How much do repairs cost on a Renault Koleos?

Most single repairs on the Renault Koleos fall between $700–$3,200 at NZ independent-workshop rates. Some of the 17 documented faults cost less and a few cost considerably more, and no one car needs them all. Knowing which ones to look for before you view is what lets you negotiate the price down or walk away.

Should I get a pre-purchase inspection on a Renault Koleos?

Yes. A Renault Koleos inspection focused on its known weak points is the single best way to avoid an expensive mistake. KickTyres gives you a guided, model-specific inspection plus a market valuation and negotiation figure for $24.90 far less than the cost of missing one of the faults on this page.