How to carry out replacement: Spark Plug 2.0 Turbo Renault 21 L482
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Change Renault 21 L482 2.1 Turbo-D Spark Plug yourself – manuals and video tutorials

How to change spark plugs on RENAULT 21 Saloon – replacement guide

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When to replace the Spark Plug on your RENAULT 21
Recommended replacement interval for the part category Spark plug : 18 month / 30000 km
Important!
This replacement procedure can be used for:
RENAULT 21 Saloon (L48_) 2.0 TXi 4x4 … 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 21 Saloon (L48_) and other RENAULT models
How to change Spark plug on Renault 21 L482 2.0 Turbo – step-by-step instructions for straightforward car repair Spark plug
How to change Spark plug on 21 Saloon – tips for proper car maintenance
Spark plug for 21 Saloon Petrol (136 hp)
Tools
Replacement: spark plugs – RENAULT 21 Saloon (L48_). Tools you might need:
All-purpose cleaning spray
High-temperature anti-seize lubricant
Drive socket # 13
HEX bit No.H6.
XZN socket bit # 8
Spark plug socket # 16
Ratchet wrench
Torque wrench
Flat Screwdriver
Phillips screwdriver
Microfibre towel
Fender cover
Buy tools
Replacement: spark plugs – RENAULT 21 Saloon (L48_). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • All work should be done with the engine stopped.
Replacement: spark plugs – RENAULT 21 Saloon (L48_). Use the following procedure:
  1. Step 1
    Open the hood.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Spark Plug on Renault 21 L482 1986 - free PDF and video manuals
    Remove the engine cover.
    AUTODOC recommends:
    Raise the engine cover, holding it on two sides simultaneously.
  2. Step 4
    How to replace RENAULT 21 Saloon (L48_) 2.0 Turbo 1987 Spark Plug - step-by-step manuals and video guides
    Unscrew the oil dipstick bracket. Use XZN #8. Use a ratchet wrench.
  3. Step 5
    Renault 21 L482 2.1 Turbo-D 1988 Spark Plug replacement: free workshop manuals
    Remove the oil dipstick.
  4. Step 6
    Changing Spark Plug on RENAULT 21 Saloon (L48_) 1.7 1989 by yourself
    Unscrew the intake manifold fasteners. Use HEX No.H6. Use a drive socket #13. Use a ratchet wrench.
  5. Step 7
    How to remove RENAULT 21 2.0 1990 Spark Plug - online easy-to-follow instructions
    Detach the retainers of the ignition cables.
  6. Step 8
    How to replace Spark Plug on RENAULT 21 Saloon (L48_) 1991: download PDF manuals and video instructions
    Disconnect the vacuum sensor.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Renault 21 L482 1.4 1992 - download illustrated guide
    Detach the vacuum pipe.
  8. Step 10
    Need to know how to renew Spark Plug on RENAULT 21 1993? This free workshop manual will help you to do it yourself
    Unscrew the intake manifold fasteners. Use a Phillips screwdriver.
  9. Step 11
    Changing of Spark Plug on Renault 21 L482 1994 won't be an issue if you follow this illustrated step-by-step guide
    Remove the intake manifold.
  10. Step 12
    RENAULT 21 2.1 Turbo-D Spark Plug replacement: online guides and video tutorials
    Cover the intake manifold passages with a microfibre towel to prevent dust and dirt from getting inside.
  11. Step 13
    Replacing Spark Plug on Renault 21 L482 1996 2.0 Turbo by yourself
    Remove the spark plug wire connectors from the spark plug wells.
    Replacement: spark plugs – RENAULT 21 Saloon (L48_). AUTODOC recommends:
    Be careful to avoid damaging spark plug wires.Remember the sequence of the spark plug wires connectors.
  12. Step 14
    21 Saloon (L48_) 2.0 1997 Spark Plug DIY replacement workshop manual
    Clean dirt, dust and debris from inside the spark plug wells.
  13. Step 15
    How to change Spark Plug on RENAULT 21 Saloon (L48_) 1986 - tips and tricks
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  14. Step 16
    Step-by-step recommendations for DIY replacement Renault 21 L482 1987 2.0 Spark Plug
    Take out the spark plugs. Use the spark plug socket #16.
  15. Step 17
    DIY replacement of Spark Plug on RENAULT 21 Saloon (L48_) 2.1 D 1988 is not an issue anymore with our step-by-step tutorial
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  16. Step 18
    How to change Spark Plug on Renault 21 L482 1986 - free PDF and video manuals
    Install the new spark plugs into their mounting seats. Use the spark plug socket #16.
  17. Step 19
    How to replace RENAULT 21 Saloon (L48_) 2.0 Turbo 1987 Spark Plug - step-by-step manuals and video guides
    Screw 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 21 Saloon (L48_). Tip from AUTODOC:
    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.
  18. Step 20
    Renault 21 L482 2.1 Turbo-D 1988 Spark Plug replacement: free workshop manuals
    Clean the intake manifold fasteners. Use all-purpose cleaning spray.
  19. Step 21
    Changing Spark Plug on RENAULT 21 Saloon (L48_) 1.7 1989 by yourself
    Treat the spark plug wire connectors. Use high-temperature grease. Use a flat screwdriver.
  20. Step 22
    How to remove RENAULT 21 2.0 1990 Spark Plug - online easy-to-follow instructions
    Install the spark plug wire connectors into the spark plug wells. Make sure you hear a click indicating that it is locked in place.
    AUTODOC recommends:
    Replacement: spark plugs – RENAULT 21 Saloon (L48_). Follow the installation steps.
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