How to carry out replacement: Lambda Sensor 2.5 TDI VW T4 Transporter
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Change VW T4 Transporter 1.9 TD Lambda Sensor yourself – manuals and video tutorials

How to change lambda sensor on VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) – replacement guide

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When to replace the Lambda Sensor on your VW TRANSPORTER
Recommended replacement interval for the part category Lambda sensor : 100000 km
Important!
This replacement procedure can be used for:
VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.5 Syncro, VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.5, VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.8 VR6 … 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 – Lambda Sensor for Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) and other VW models
How to change Lambda sensor on VW T4 Transporter 2.5 TDI – step-by-step instructions for straightforward car repair Lambda sensor
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Lambda sensor for Transporter T4 Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) Petrol (115 hp)
Simple DIY car repair steps – Replacing Lambda sensor on Transporter T4 Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ)
Lambda sensor for Transporter T4 Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) Petrol (115 hp)
Easy tricks to help you to replace Lambda sensor on Transporter T4 Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ)
Lambda sensor for Transporter T4 Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) Petrol (204 hp)
Tools
Replacement: lambda sensor – VW TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW). Tools you might need:
Electronic spray
High-temperature ceramic grease
Torque wrench
Drive socket # 10
22-mm oxygen sensor socket
Ratchet wrench
Thread tap
Fender cover
Buy tools
Replacement: lambda sensor – VW TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW). AUTODOC experts recommend:
  • After replacing the oxygen sensor, clear the trouble code from the electronic control unit and let the ECU adapt itself to the new sensor.
  • Before getting down to work, start the engine and let it warm up to operating temperature.
  • Please note: all work on the car – VW TRANSPORTER IV Bus (70XB, 70XC, 7DB, 7DW) – 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
    Lift the car using a jack or place it over an inspection pit.
    Step 4
    How to change Lambda Sensor on VW T4 Transporter 1990 - free PDF and video manuals
    Unscrew the fasteners of the oxygen sensor housing cover. Use a drive socket #10. Use a ratchet wrench.
  2. Step 5
    How to replace VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.5 TDI 1991 Lambda Sensor - step-by-step manuals and video guides
    Remove the oxygen sensor housing cover.
  3. Step 6
    VW T4 Transporter 2.4 D 1992 Lambda Sensor replacement: free workshop manuals
    Detach the oxygen sensor connector.
  4. Step 7
    Changing Lambda Sensor on VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 2.5 1993 by yourself
    Unscrew the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a ratchet wrench.
  5. Step 8
    How to remove VW TRANSPORTER 2.5 TDI Syncro 1994 Lambda Sensor - online easy-to-follow instructions
    Remove the oxygen sensor.
  6. Step 9
    How to replace Lambda Sensor on VW Transporter IV Minibus (70B, 70C, 7DB, 7DK, 70J, 70K, 7DC, 7DJ) 1995: download PDF manuals and video instructions
    Cut the thread for the new oxygen sensor. Use a thread tap. Use a ratchet wrench.
  7. Step 10
    Treat the oxygen sensor. Use high-temperature ceramic grease.
    Step 11
    How hard is it to do yourself: Lambda Sensor replacement on VW T4 Transporter 2.5 TDI 1996 - download illustrated guide
    Install the new oxygen sensor.
  8. Step 12
    Need to know how to renew Lambda Sensor on VW TRANSPORTER 1997? This free workshop manual will help you to do it yourself
    Tighten the oxygen sensor fastener. Use a 22-mm oxygen sensor socket. Use a torque wrench. Tighten it to 37 Nm torque.
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