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need to see a picture of spark plug location on engine on 2002 Volkswagen Beetle TDI

how hard is it to change spark plugs.

Asked by for the 2002 Volkswagen Beetle TDI
There are no spark plugs in a diesel engine there are "glow plugs" that help the engine start when totally cold.
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I believe Turbo means its a diesel engine and there's no plugs to change.