How to carry out replacement: Coolant Flange 1.8 Passat 3a5
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Change Passat 3a5 1.8 Coolant Flange yourself – manuals and video tutorials

How to change coolant flange on VW PASSAT Variant (3A5, 35I) – replacement guide

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Download your free tutorial and fix VW PASSAT Variant (3A5, 35I) 1.9 D problems yourself Download for free 1.18 MB Coolant Flange for Passat 3a5 Shop now
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Important!
This replacement procedure can be used for:
VW PASSAT Variant (3A5, 35I) 1.6, VW PASSAT Variant (3A5, 35I) 1.6, VW PASSAT Variant (3A5, 35I) 1.8, VW PASSAT Variant (3A5, 35I) 1.8, VW PASSAT Variant (3A5, 35I) 2.0, VW PASSAT Variant (3A5, 35I) 1.6 TD, VW PASSAT Variant (3A5, 35I) 1.9 D, VW PASSAT Variant (3A5, 35I) 1.9 TD, VW PASSAT Variant (3A5, 35I) 1.9 TDI, VW PASSAT Variant (3A5, 35I) 1.8, VW PASSAT Variant (3A5, 35I) 1.8, VW PASSAT Variant (3A5, 35I) 1.8 G60 Syncro, VW PASSAT Variant (3A5, 35I) 2.8 VR6, VW PASSAT Variant (3A5, 35I) 1.9 TDI, VW PASSAT Variant (3A5, 35I) 2.0 Syncro, VW PASSAT Variant (3A5, 35I) 2.0 … 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 – Coolant Flange for PASSAT Variant (3A5, 35I) and other VW models
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Tools
Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). Tools you might need:
Torque wrench
Drive socket # 7
Drive socket # 10
Drive socket # 13
Ratchet wrench
Fluid container
Funnel
Fender cover
Buy tools
Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). 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. Replace it if necessary.
  • All work should be done with the engine stopped.
Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). 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 Coolant Flange on Passat 3a5 1988 - free PDF and video manuals
    Unscrew the coolant reservoir cap.
  2. Step 4
    How to replace VW PASSAT Variant (3A5, 35I) 1.8 1989 Coolant Flange - step-by-step manuals and video guides
    Prepare a container for fluids.
  3. Step 5
    Passat 3a5 2.0 1990 Coolant Flange replacement: free workshop manuals
    Loosen the coolant hose clamp. Use a drive socket #7. Use a ratchet wrench.
  4. Step 6
    Changing Coolant Flange on VW PASSAT Variant (3A5, 35I) 2.8 VR6 1991 by yourself
    Detach the coolant hose.
    Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). Professionals recommend:
    Caution! Coolant may come out from the water pump channels and body.
  5. Step 7
    How to remove VW PASSAT 1.6 TD 1992 Coolant Flange - online easy-to-follow instructions
    Drain the coolant from the engine.
    Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). Tip from AUTODOC:
    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 Coolant Flange on VW PASSAT Variant (3A5, 35I) 1993: 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: Coolant Flange replacement on Passat 3a5 1.9 TD 1994 - download illustrated guide
    Remove the thermostat housing.
    AUTODOC recommends:
    Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). Do not use excessive force when removing the part as this may damage it.
  8. Step 10
    Need to know how to renew Coolant Flange on VW PASSAT 1995? This free workshop manual will help you to do it yourself
    Remove the thermostat.
    Replacement: сoolant flange – VW PASSAT Variant (3A5, 35I). AUTODOC experts recommend:
    Do not apply excessive force when removing the part. Otherwise you may damage it.Caution! Coolant may leak out of the coolant lines and thermostat housing.
  9. Step 11
    Changing of Coolant Flange on Passat 3a5 1996 won't be an issue if you follow this illustrated step-by-step guide
    Install the thermostat.
    AUTODOC recommends:
    Caution! Do not use excessive force during installation. This may damage the fasteners of the car. VW PASSAT Variant (3A5, 35I)
  10. Step 12
    VW PASSAT 1.8 Coolant Flange replacement: online guides and video tutorials
    Install a new thermostat housing.
  11. Step 13
    Replacing Coolant Flange on Passat 3a5 1988 1.8 by yourself
    Tighten the thermostat housing fasteners. Use a drive socket #10. Use a torque wrench. Tighten it to 13 nm torque.
  12. Step 14
    PASSAT Variant (3A5, 35I) 1.6 TD 1989 Coolant Flange DIY replacement workshop manual
    Attach the coolant hose.
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