How to carry out replacement: Water Pump + Timing Belt Kit 2.1 Audi 100 43 Avant
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Change Audi 100 43 Avant 2.1 Water Pump + Timing Belt Kit yourself – manuals and video tutorials

How to change water pump on AUDI 100 C2 Avant (43) – replacement guide

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When to replace the Water Pump + Timing Belt Kit on your AUDI 100
Recommended replacement interval for the part category Water pump and timing belt kit : 70000 km
Important!
This replacement procedure can be used for:
AUDI 100 Avant (43, C2) 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 – Water Pump + Timing Belt Kit for 100 Avant (43, C2) and other AUDI models
How to change Water pump and timing belt kit on Audi 100 43 Avant 2.1 – step-by-step instructions for straightforward car repair Water pump and timing belt kit
How to change Water pump and timing belt kit on 100 C2 Avant (43) – tips for proper car maintenance
Water pump and timing belt kit for 100 C2 Avant (43) Petrol (85 hp)
Tools
Replacement: water pump – AUDI 100 Avant (43, C2). Tools you need:
Wire brush
WD-40 spray
All-purpose cleaning spray
Sealant
Torque wrench
Combination spanner #13
Drive socket # 7
Drive socket # 10
Drive socket # 13
HEX bit No.H6
Ratchet wrench
Seal scraper
Funnel
Fluid container
Fender cover
Buy tools
Replacement: water pump – AUDI 100 Avant (43, C2). Tip from AUTODOC:
  • Follow the terms, recommendations and requirements of the part operation provided by the manufacturer.
  • Check the coolant condition and replace it if necessary.
  • Inspect the thermostat and the thermostat housing. Replace if necessary.
  • Please note: all work on the car – AUDI 100 Avant (43, C2) – 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 Water Pump + Timing Belt Kit on Audi 100 43 Avant 1977 - free PDF and video manuals
    Unscrew the coolant reservoir cap.
  2. Step 4
    How to replace AUDI 100 Avant (43, C2) 2.1 1978 Water Pump + Timing Belt Kit - step-by-step manuals and video guides
    Prepare a container for fluids.
  3. Step 5
    Audi 100 43 Avant 2.0 D 1979 Water Pump + Timing Belt Kit replacement: free workshop manuals
    Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
  4. Step 6
    Changing Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 1.6 1980 by yourself
    Detach the coolant hose.
    Replacement: water pump – AUDI 100 Avant (43, C2). Tip:
    Caution! Coolant may come out from the water pump channels and body.
  5. Step 7
    How to remove AUDI 100 2.1 1981 Water Pump + Timing Belt Kit - online easy-to-follow instructions
    Drain the coolant from the engine.
    Replacement: water pump – AUDI 100 Avant (43, C2). AUTODOC experts recommend:
    Caution! The coolant can be very hot.Wear gloves to prevent contact with hot liquid.All work should be done with the engine stopped.Wait until the coolant has completely flowed out of the drain hole.
  6. Step 8
    How to replace Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 1982: download PDF manuals and video instructions
    Unscrew the thermostat housing fasteners. Use a drive socket #13. Use a ratchet wrench.
  7. Step 9
    How hard is it to do yourself: Water Pump + Timing Belt Kit replacement on Audi 100 43 Avant 2.0 1983 - download illustrated guide
    Remove the thermostat housing.
  8. Step 10
    Need to know how to renew Water Pump + Timing Belt Kit on AUDI 100 1977? This free workshop manual will help you to do it yourself
    Remove the thermostat.
    AUTODOC recommends:
    Replacement: water pump – AUDI 100 Avant (43, C2). Do not use excessive force when removing the part as this may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
  9. Step 11
    Changing of Water Pump + Timing Belt Kit on Audi 100 43 Avant 1978 won't be an issue if you follow this illustrated step-by-step guide
    Clean the water pump pulley fastener. Use a wire brush. Use WD-40 spray.
  10. Step 12
    AUDI 100 2.1 Water Pump + Timing Belt Kit replacement: online guides and video tutorials
    Unscrew the water pump pulley fastener. Use HEX No.H6. Use a ratchet wrench.
  11. Step 13
    Replacing Water Pump + Timing Belt Kit on Audi 100 43 Avant 1980 2.1 by yourself
    Clean the alternator fasteners. Use a wire brush. Use WD-40 spray.
  12. Step 14
    100 Avant (43, C2) 2.1 1981 Water Pump + Timing Belt Kit DIY replacement workshop manual
    Loosen the alternator fasteners. Use a combination spanner #13.
  13. Step 15
    How to change Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 1982 - tips and tricks
    Move the alternator aside.
  14. Step 16
    Step-by-step recommendations for DIY replacement Audi 100 43 Avant 1983 2.1 Water Pump + Timing Belt Kit
    Remove the V belt.
  15. Step 17
    DIY replacement of Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 2.0 1977 is not an issue anymore with our step-by-step tutorial
    Remove the water pump pulley.
  16. Step 18
    How to change Water Pump + Timing Belt Kit on Audi 100 43 Avant 1977 - free PDF and video manuals
    Unscrew the fasteners of the water pump housing. Use a drive socket #10. Use a ratchet wrench.
  17. Step 19
    How to replace AUDI 100 Avant (43, C2) 2.1 1978 Water Pump + Timing Belt Kit - step-by-step manuals and video guides
    Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
  18. Step 20
    Audi 100 43 Avant 2.0 D 1979 Water Pump + Timing Belt Kit replacement: free workshop manuals
    Detach the coolant hose.
    Replacement: water pump – AUDI 100 Avant (43, C2). Tip from AUTODOC:
    Caution! Coolant may come out from the water pump channels and body.
  19. Step 21
    Changing Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 1.6 1980 by yourself
    Unscrew the water pump fasteners. Use a combination spanner #13. Use a drive socket #13. Use a ratchet wrench.
  20. Step 22
    How to remove AUDI 100 2.1 1981 Water Pump + Timing Belt Kit - online easy-to-follow instructions
    Remove the water pump.
    Replacement: water pump – AUDI 100 Avant (43, C2). AUTODOC recommends:
    Caution! Coolant may come out from the water pump channels and body.
  21. Step 23
    How to replace Water Pump + Timing Belt Kit on AUDI 100 Avant (43, C2) 1982: download PDF manuals and video instructions
    Clean the water pump mounting seat. Use a seal scraper. Use all-purpose cleaning spray.
  22. Step 24
    How hard is it to do yourself: Water Pump + Timing Belt Kit replacement on Audi 100 43 Avant 2.0 1983 - download illustrated guide
    Treat the water pump mounting seat. Use a sealant.
  23. Step 25
    Need to know how to renew Water Pump + Timing Belt Kit on AUDI 100 1977? This free workshop manual will help you to do it yourself
    Install the new water pump.
  24. Step 26
    Changing of Water Pump + Timing Belt Kit on Audi 100 43 Avant 1978 won't be an issue if you follow this illustrated step-by-step guide
    Tighten the water pump fasteners. Use a combination spanner #13. Use a drive socket #13. Use a torque wrench. Tighten it to 14 nm torque.
  25. Step 27
    AUDI 100 2.1 Water Pump + Timing Belt Kit replacement: online guides and video tutorials
    Attach the coolant hose.
  26. Step 28
    Replacing Water Pump + Timing Belt Kit on Audi 100 43 Avant 1980 2.1 by yourself
    Secure the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
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