Thanks for the response. Hers is a turbo, so I expect to have to remove the intercooler pipe at a minimum, and I am not sure if the intake manifold is a different design with different access. I'll post back with whether I succeed without pulling the alternator for anyone else who has a turbo versio...

Just a quick update with a question. The voltage regulator arrived-- a Transpo IB230 to replace the Bosch F-OOM-145-230 that was in my 0-124-515-019 Bosch 120A alternator. It works fine, so there is no need to use the much more expensive Volvo 30667899 offered by FCPgroton.com for $136. I managed t...