This article is from the Watercooled VWs General FAQ, by Jan Vandenbrande with numerous contributions by others.
A: The recall affects only '85-'90 cars of the above models, although older A1
VWs have had heater cores fail also. For some time, VW was replacing cores
under a 'goodwill program', and now the recall is official.
VW recommends that if you are experiencing any of the typical symptoms,
take your car to the nearest authorized VW dealer.
If you paid to have the work before, AND you can prove it, they will
reimburse you.
 
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