Lexus ES: common faults & what to check

Which Lexus ES are you looking at?

2 generation variants documented. Pick the shape you recognise: the faults, the servicing and the timeline below all narrow to it. Free, no account needed.

Petrol

1 variant documented

2001–2006XV302001–2006XV303.0 V6 petrolPetrolDocumented issues6 knownSee faults & what to checkPhoto: Lokseng01 via Wikimedia Commons, CC BY-SA 4.0.

Hybrid

1 variant documented

2018–nowXZ102018–nowXZ102.5 hybridHybridDocumented issues4 knownSee faults & what to checkPhoto: AIMHO'S REBELLION 8490s via Wikimedia Commons, CC BY-SA 4.0.

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.

Start your free check on this Lexus ES

No plate needed. You get the risk score, the buyer's checklist and the guided inspection for the exact car you picked above — not the whole nameplate.

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

• Serious issue

  Ask for the timing belt invoice and check the date as well as the distance.

  See why

  1MZ-FE timing belt — and why the year matters more than usual

  The 3.0 V6 is belt-driven with an interval around 145,000 km. What makes this one worth understanding is that the consequence changed partway through: the earlier non-VVT-i engine is a non-interference design, so a snapped belt strands you but does not wreck the engine, while the VVT-i version from 1999 onward IS an interference engine and a snapped belt bends valves. Two cars that look identical on the forecourt therefore carry very different risks, and a seller is unlikely to know which they have. Treat any car without belt paperwork as needing the job, and treat a 1999-on car without it as urgent.

  What you would notice

  • No belt invoice, or one older than seven years
  • Squeal or rumble from the front of the engine on start-up
  • Coolant weeping near the timing cover — the water pump is behind the belt
  • Seller unsure whether the car is VVT-i

  Typically $900–$1,800 to put right.

• Serious issue

  Check the coolant reservoir for a milky or oily contamination line.

  See why

  2AZ-FE 2.4 head bolt thread pull-out from aluminium block

  The 2AZ-FE 2.4-litre four-cylinder fitted to XV40 ES240 variants suffers a documented head bolt thread pull-out defect where the aluminium cylinder block threads strip under repeated thermal cycling, allowing coolant and combustion gas crossover. Toyota issued a special warranty coverage extension for this specific defect. NZ and AU examples outside warranty require helicoil thread repair or engine replacement.

  What you would notice

  • Coolant level dropping without any visible external leak
  • White steam or sweet exhaust smell from the tailpipe
  • Milky or frothy oil on the dipstick indicating coolant contamination
  • Temperature gauge rising toward overheat or overheating events
  • Bubbling visible in the coolant reservoir when the engine is running

  Typically $1,800–$4,500 to put right.

• Serious issue

  Cold-start the engine and immediately listen for chain rattle from the front timing cover.

  See why

  2GR-FE 3.5 V6 secondary timing chain tensioner failure

  The 2GR-FE 3.5-litre V6 in the XV40 ES350 uses a primary and dual secondary timing chain arrangement. The secondary chain tensioners — particularly the right-bank unit — are documented to lose tension prematurely, allowing chain rattle and eventual timing slip. This fault is extensively documented on the same engine in Camry V6 and RX350 forums and applies equally to XV40 ES350 imports to NZ and Australia. Oil quality and change intervals are critical to tensioner longevity.

  What you would notice

  • Cold-start chain rattle from the front of the engine for 2 to 10 seconds before clearing
  • Persistent rattle at idle that varies with engine speed rather than temperature
  • Check engine light with camshaft correlation or VVT codes including P0011, P0012, P0016, or P0017
  • Rough idle or misfires if timing has slipped

  Typically $2,000–$4,500 to put right.

• Costly issue

  Open the bonnet after the test drive rather than before, and smell for hot oil.

  See why

  Rear valve cover gasket leak and steady oil consumption

  Two related ageing traits on the 1MZ-FE. The rear valve cover gasket — on the bank tucked against the bulkhead — hardens and leaks, and because it is awkward to reach it is a job people put off, so the oil drips onto the exhaust below and produces a burning smell and occasional smoke from the engine bay. Separately, these engines burn oil as the piston rings and valve stem seals age, which matters more than usual here because low oil is exactly what brings on the sludge problem. So the useful question at the viewing is not just "does it leak" but "how often do you top it up", and whether the owner actually checks.

  What you would notice

  • Burning-oil smell after driving, strongest when you open the bonnet
  • Wisps of smoke from the back of the engine bay at idle
  • Oil level down between services with no puddle on the ground
  • Blue smoke on start-up after standing

  Typically $500–$1,500 to put right.

• Costly issue

  Undo the oil filler cap and look inside with a torch - clean honey-coloured metal is good, tan/black mayonnaise-like gunk is sludge.

  See why

  1MZ-FE / 3MZ-FE V6 oil sludge from neglected servicing

  The 3.0 (1MZ-FE) and later 3.3 (3MZ-FE) V6 in the Windom-based ES are prone to oil sludging inside the engine and intake if oil changes were stretched out, a fault Toyota publicly acknowledged for this era. Sludge starves parts of oil and can lead to a rough-running or failed engine. A well-serviced example on regular synthetic oil is genuinely reliable, so history is everything here.

  What you would notice

  • Ticking or tapping from the top of the engine
  • Oil light flicker at idle
  • Thick sludge visible under the oil cap

  Typically $1,500–$4,000 to put right.

• Costly issue

  Confirm with a Lexus dealer (by VIN) that the brake booster pump recall has been completed.

  See why

  Brake booster pump recall (2019-2020 ES300h)

  Certain 2019-2020 ES300h models were recalled because the brake booster pump could fail, disabling stability control and the brake assist so the pedal goes hard and needs much more effort. Braking is still possible but takes far more pressure, which is dangerous in an emergency. Dealers inspect and replace the pump free under the recall.

  What you would notice

  • Brake pedal suddenly hard to press
  • Brake / VSC warning lights
  • Warning chime about brake system

  Typically $1,500–$3,000 to put right.

What these repairs cost on other cars

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

• Cambelt Replacement Cost
• Timing Chain Replacement Cost

Other Lexus models