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How to change spark plugs on RENAULT LAGUNA I (B56_, 556_) – replacement guide
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Recommended replacement interval for the part category Spark plug : 40000 km
Important!
This replacement procedure can be used for:
RENAULT LAGUNA I (B56_, 556_) 1.6 16V (B568, B561) … View more
The steps may slightly vary depending on the car design.
RENAULT LAGUNA I (B56_, 556_) 1.6 16V (B568, B561) … 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 LAGUNA I (B56_, 556_) and other RENAULT models
Spark plug
Alternative products

High-temperature anti-seize lubricant
Spark plug socket # 16
Round-nose pliers
Torque wrench
Fender cover
Replacement: spark plugs – RENAULT LAGUNA I (B56_, 556_). Professionals recommend:
- The replacement procedure is the same for all spark plugs.
- Warning! Shut down the engine before starting any work – RENAULT LAGUNA I (B56_, 556_)
Carry out replacement in the following order:
- Step 1Open the hood.Step 2Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.Step 3Remove the engine cover.
- Step 4Remove the spark plug wire connectors from the spark plug wells. Use round-nose pliers.Replacement: spark plugs – RENAULT LAGUNA I (B56_, 556_). Tip from AUTODOC:Be careful to avoid damaging spark plug wires.Remember the sequence of the spark plug wires connectors.
- Step 5Clean dirt, dust and debris from inside the spark plug wells.
- Step 6Unscrew the spark plugs. Use the spark plug socket #16.
- Step 7Take out the spark plugs. Use the spark plug socket #16.
- Step 8Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
- Step 9Install the new spark plugs into their mounting seats. Use the spark plug socket #16.Step 10Screw new spark plugs and tighten them. Use the spark plug socket #16. Use a torque wrench. Tighten it to 25 nm torque.Replacement: spark plugs – RENAULT LAGUNA I (B56_, 556_). AUTODOC experts recommend: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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