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H4Bt: Exhaust

Written By: AntonioTwingo (and one other contributor)

Published: May 2, 2023

Comments: 2
Favorites: 0
Views: 1.7k

H4Bt: Exhaust

Written By: AntonioTwingo (and one other contributor)

Published: May 2, 2023

Comments: 2
Favorites: 0
Views: 1.7k

Teardown

This teardown is not a repair guide. To repair your Twingo III, use our service manual.

1. Step 1 Turbo, exhaust manifold, and catalytic converter
  The turbo acts as the exhaust manifold. The catalytic converter is separate, unlike on the H4D.
  
  The valve that actuates the wastegate may seize in some cases with age and/or wear. It is not necessary to replace the entire turbo to repair it.
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3. Step 2 Full view
  Upstream wideband lambda sensor (Bosch LSU ADV), 40–60 N·m
  
  Downstream narrowband lambda sensor (Bosch LSF-XF), 40–60 N·m
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Author

with 1 other contributor

AntonioTwingo

Member since: 08/24/22

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