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What is the reason why Audi a6 aluminum chassis cracks when it is welded?
As long as Audi uses ea888 engine, the cylinder head is aluminum and the cylinder block is iron.

1.a6

30

direct injection of fuel

Technical type or above, using all-aluminum engine;

2.q3\q5 still uses the engine ea888.

3.q7 is an all-aluminum engine.

4.4. Above A7 are all-aluminum engines;

5.a5 is equipped with several all-aluminum engines;