Before you buy a used Seat León (1M).
Taken only from Testigo's sourced sheets. Use it to question the seller and on the test drive: it does not confirm that any particular car is affected.
The essentials.
- 2 documented, sourced faults across its 3 engines.
- That is not much data: if no other faults show up here, it does not mean it has none.
- 1 of them depends on the equipment or the production date: ask what this car has.
- 1 official recall on record: ask for the chassis number (VIN) and confirm it has been done.
- According to the data we have, the engines with the fewest documented faults are: 1.4 / 1.6 (Petrol), 1.8 T (Petrol).
Typical faults by engine
The period and mileage are those mentioned by each sheet's sources. They are not a maintenance interval and do not predict that any particular car will fail.
All versions
Sheets the catalogue links to all 3 of its engines.
- Period mentioned
- 1997–2006
- Mileage mentioned
- The sheet does not mention a mileage.
Applies if: Shares platform, engines and gearbox with the Golf IV; confirm by VIN which campaigns apply.
1.4 / 1.6 · 1.8 T
Petrol
We have no faults specific to this engine, only those common to every version.
1.9 TDI
Diesel
- PD TDI camshaft, injectors and cylinder headInjection / cylinder head
- Period mentioned
- 2000–2010
- Mileage mentioned
- 120,000–200,000 km
Which engine has the fewest documented faults?
| Engine | Documented faults | Recalls |
|---|---|---|
| 1.4 / 1.6PetrolFewest documented | 11 with conditions | 1 |
| 1.8 TPetrolFewest documented | 11 with conditions | 1 |
| 1.9 TDIDiesel | 21 with conditions | 0 |
According to the data we have, the engines with the fewest documented faults are: 1.4 / 1.6 (Petrol), 1.8 T (Petrol).
By fuel type, the one with the fewest documented faults is: Petrol.
We only count the sourced sheets we have. An engine with fewer is not guaranteed to be more reliable: it may have been studied less or sold in smaller numbers.
Official recalls: ask before you pay
A recall existing does not mean this car is affected or that it is still outstanding: it depends on the chassis number, the market and the production date.
- Ask the seller for the chassis number (VIN): it has 17 characters, appears in the car's documents and can usually also be seen at the base of the windscreen.
- Ask an official Seat dealer, or the brand's official website if it lets you check by chassis number, whether each recall has been done or is still outstanding for that VIN.
- Manufacturer recalls are normally carried out free of charge by the official service network. If one is outstanding, ask for it to be done before you close the sale.
ABS control unit electrical overheatingBrakes / electronics
Engines: 1.4 / 1.6 (Petrol) · 1.8 T (Petrol)
How to check it: Check part number and supplier code; replace the unit where required by the recall.
View full entryOn the test drive: what to look and listen for
Taken from each sheet's symptoms and checks. You can tick off what you have already looked at: it is saved only in this browser.
0 of 2 checked
Injection / cylinder head
Look out for: Growing noise from the cylinder head, power loss and rough running (cams and lifters); unstable idle, smoke or hesitation (injectors); on the 16-valve 2.0 TDI, coolant loss with no visible leak from a cracked head.
Ask them to check: Check the oil history (VW 505.01), listen to the head, check injector balance rates with a diagnostic tool and, on the 16-valve 2.0 TDI, read the head part number (03G 103 351) and look for coolant loss.
Known weak points
Look out for: On the 1.4 up to 2002, a crankcase breather that freezes and high oil consumption; oil consumption on the 2.0; possible gearbox failure on the 1.4, 1.6 and 1.9 SDI up to July 2001; 1.8 T coils (2001–2003); windows that will not go up or drop, and door microswitches.
Ask them to check: Check gearbox noises and oil consumption; check windows and airbag campaigns by VIN.
Sources
Every fact on this page comes from these Testigo sheets and their original sources. Sources are not checked in real time.
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