When to replace the Spark Plug on your AUDI 90
Recommended replacement interval for the part category Spark plug : 30000 km
Important!
This replacement procedure can be used for:
AUDI 90 (89, 89Q, 8A, B3) 2.0 quattro 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 90 (89, 89Q, 8A, B3) and other AUDI models
Tools
Replacement: spark plugs – AUDI 90 (89, 89Q, 8A, B3). Tools you need:
Wire brush
WD-40 spray
Electronic spray
High-temperature anti-seize lubricant
Torque wrench
Drive socket # 10
Spark plug socket # 16
Ratchet wrench
Fender cover
Replacement: spark plugs – AUDI 90 (89, 89Q, 8A, B3). AUTODOC experts recommend:
  • The replacement procedure is the same for all spark plugs.
  • Please note: all work on the car – AUDI 90 (89, 89Q, 8A, B3) – should be done with the engine switched off.
Carry out replacement in the following order:
  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 Audi 90 B3 1987 - free PDF and video manuals
    Detach the connector from the ignition coil.
  2. Step 4
    How to replace AUDI 90 (89, 89Q, 8A, B3) 2.3 E quattro 1988 Spark Plug - step-by-step manuals and video guides
    Clean the ignition coil bolts. Use a wire brush. Use WD-40 spray.
  3. Step 5
    Audi 90 B3 2.3 E 1989 Spark Plug replacement: free workshop manuals
    Unscrew the ignition coil bolts. Use a drive socket #10. Use a ratchet wrench.
  4. Step 6
    Changing Spark Plug on AUDI 90 (89, 89Q, 8A, B3) 2.0 1990 by yourself
    Remove the ignition coil.
  5. Step 7
    How to remove AUDI 90 2.2 E 1991 Spark Plug - online easy-to-follow instructions
    Clean dirt, dust and debris from inside the spark plug wells.
  6. Step 8
    How to replace Spark Plug on AUDI 90 (89, 89Q, 8A, B3) 1987: download PDF manuals and video instructions
    Unscrew the spark plugs. Use the spark plug socket #16. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Spark Plug replacement on Audi 90 B3 2.3 E 20V 1988 - download illustrated guide
    Take out the spark plugs.
  8. Step 10
    Need to know how to renew Spark Plug on AUDI 90 1989? This free workshop manual will help you to do it yourself
    Apply a thin layer of a special high temperature anti-seize lubricant to the threads of the new spark plugs.
  9. Step 11
    Changing of Spark Plug on Audi 90 B3 1990 won't be an issue if you follow this illustrated step-by-step guide
    Install the new spark plugs into their mounting seats.
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DIY AUDI 90 (89, 89Q, 8A, B3) Spark Plug replacement - online guide
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