How much give should my bug's pulley belt have?

The pulley belt - the belt at the back of the Volkswagen's engine - should have about half-an-inch to an inch give in it. In other words, you should be able to push it in a bit, but not much. See the pictures below for a guideline.

Pulley belt at rest, before being pressed:

Volkswagen's pulley belt at rest

Pulley belt being pressed, with about an inch of give in it:

Volkswagen's pulley belt being pressed

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