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How to change spark plugs on SEAT LEON ST Box Body / Estate (5F8) – replacement guide
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Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
SEAT LEON ST Box Body / Estate (5F8) 1.4 TSI, SEAT LEON ST Box Body / Estate (5F8) 1.2 TSI, SEAT LEON ST Box Body / Estate (5F8) 1.2 TSI … View more
The steps may slightly vary depending on the car design.
SEAT LEON ST Box Body / Estate (5F8) 1.4 TSI, SEAT LEON ST Box Body / Estate (5F8) 1.2 TSI, SEAT LEON ST Box Body / Estate (5F8) 1.2 TSI … View more
The steps may slightly vary depending on the car design.
This video shows the replacement procedure of a similar car part on another vehicle
All the parts you need to replace – Spark Plug for LEON ST Box Body / Estate (5F8) and other SEAT models
Spark plug
Alternative products
Spark plug
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Fender cover
Replacement: spark plugs – SEAT LEON ST Box Body / Estate (5F8). Tip from AUTODOC:
- The replacement procedure is the same for all spark plugs.
- Please note: all work on the car – SEAT LEON ST Box Body / Estate (5F8) – should be done with the engine switched off.
Carry out replacement in the following order:
- Step 1Open the bonnet.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3
Unscrew the fasteners and disconnect the ground wires from the ignition coils. Use a drive socket #10. Use a ratchet wrench. - Step 4
Unplug the connectors from the ignition coils. - Step 5
Unscrew the fasteners of the ignition coils. Use a drive socket #10. Use a ratchet wrench. - Step 6
Remove the fastening bolts. - Step 7
Take out the ignition coils from the spark plug wells. - Step 8
Clean dirt, dust and debris from inside the spark plug wells. - Step 9
Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench. - Step 10
Take out the spark plugs. - Step 11
Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs. - Step 12
Install the new spark plugs into their mounting seats.Replacement: spark plugs – SEAT LEON ST Box Body / Estate (5F8). AUTODOC experts recommend:Lower the spark plugs into the wells carefully, making sure not to damage the electrode gap. - Step 13
Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 28 nm torque.Replacement: spark plugs – SEAT LEON ST Box Body / Estate (5F8). AUTODOC recommends:Don't tighten the plugs with excessive force. Exceeding tightening torque can damage the thread connection. Be careful when working with a spark plug wrench. Its skewing can cause damage to the threaded connection.
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