Operating instructions
Engine compartment overview, 4-cylinder diesel engine
In this manual: Operating instructions
~1min read
Most important checkpoints.

Fig. 220 4-cylinder diesel engine
(1) Battery
(2) Engine oil filler cap
)
(3) Brake fluid reservoir
)
(4) Engine oil dipstick (orange)
(5) Coolant expansion tank
)
(6) Windshield washer fluid reservoir
)
(7) Power steering fluid reservoir (green cap)
Test yourself
A quick Audi A4 quiz: every answer comes with an explanation and a link to the manual page.
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