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Old 05-22-2013, 02:16 PM
HPIA4v2 HPIA4v2 is offline
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Join Date: May 2006
Location: seattle
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Have you ever replace the water-pump?
At least on my 4.4i M64 engine, I replaced belts and WP and the chirping during cold (lasted about 5-10sec) is gone. Just something you may want to consider replacing cause the bearing on this WP seems rather weak.
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