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Old 01-02-2003, 11:52 AM
1992300e
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No valve

Hi all,

Based on what been posted and my CD-Rom I don't think the 103 has the check valve.

Would anyone know, I know it's hard without hearing the noise yourself, have any ideas on what the rapping noise would be caused by?

I really only notice at start up, it lasts longer on some days than others, but goes away when warm.

Thanks,
Joel
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