How to carry out replacement: Mass Air Flow Sensor 1.9 TDI Audi A4 B5 Avant
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Change Audi A4 B5 Avant 1.9 TDI Mass Air Flow Sensor yourself – manuals and video tutorials

How to change mass air flow sensor on AUDI A4 Avant (8D5, B5) – replacement guide

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Important!
This replacement procedure can be used for:
AUDI A4 Avant (8D5, B5) 1.6, AUDI A4 Avant (8D5, B5) 1.8, AUDI A4 Avant (8D5, B5) 1.6 … 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 – Mass Air Flow Sensor for A4 Avant (8D5, B5) and other AUDI models
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How to change Mass air flow sensor on Audi A4 B5 Avant 1.9 TDI – step-by-step instructions for straightforward car repair Mass air flow sensor
Tools
Replacement: mass air flow sensor – AUDI A4 Avant (8D5, B5). Tools you need:
Electronic spray
Torque wrench
Drive socket # 7
Drive socket # 10
Ratchet wrench
Phillips screwdriver
Fender cover
Buy tools
Replacement: mass air flow sensor – AUDI A4 Avant (8D5, B5). AUTODOC recommends:
  • Сlear the trouble codes from the electronic control unit if necessary.
  • Make sure that no dust or dirt gets into the air duct components and the throttle body.
  • Please note: all work on the car – AUDI A4 Avant (8D5, B5) – should be done with the engine switched off.
Carry out replacement in the following order:
  1. Step 1
    Open the bonnet.
    Step 2
    Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
    Step 3
    How to change Mass Air Flow Sensor on Audi A4 B5 Avant 1994 - free PDF and video manuals
    Detach the air duct housing from the air filter housing.
  2. Step 4
    How to replace AUDI A4 Avant (8D5, B5) 1.9 TDI 1995 Mass Air Flow Sensor - step-by-step manuals and video guides
    Unscrew the fasteners of the heat shield of the air filter housing. Use a Phillips screwdriver.
  3. Step 5
    Audi A4 B5 Avant 1.8 1996 Mass Air Flow Sensor replacement: free workshop manuals
    Remove the heat shield of the air filter housing.
  4. Step 6
    Changing Mass Air Flow Sensor on AUDI A4 Avant (8D5, B5) 1.8 T 1997 by yourself
    Detach the mass air flow sensor connector.
  5. Step 7
    How to remove AUDI A4 1.8 T quattro 1998 Mass Air Flow Sensor - online easy-to-follow instructions
    Loosen the fastening clamp connecting the air duct to the air filter housing. Use a drive socket #7. Use a ratchet wrench.
  6. Step 8
    How to replace Mass Air Flow Sensor on AUDI A4 Avant (8D5, B5) 1999: download PDF manuals and video instructions
    Unscrew the MAF sensor fasteners. Use a drive socket #10. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Mass Air Flow Sensor replacement on Audi A4 B5 Avant 2.5 TDI 2000 - download illustrated guide
    Remove the mass air flow sensor.
  8. Step 10
    Need to know how to renew Mass Air Flow Sensor on AUDI A4 2001? This free workshop manual will help you to do it yourself
    Install a new mass air flow sensor.
  9. Step 11
    Changing of Mass Air Flow Sensor on Audi A4 B5 Avant 1994 won't be an issue if you follow this illustrated step-by-step guide
    Tighten the MAF sensor fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 4 Nm torque.
  10. Step 12
    AUDI A4 1.9 TDI Mass Air Flow Sensor replacement: online guides and video tutorials
    Screw the fastening clamp connecting the air duct to the air filter housing. Use a drive socket #7. Use a ratchet wrench.
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