Thread: Replace your glow plug relay
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Old 01-30-2008, 07:31 PM
toomany MBZ's Avatar
toomany MBZ toomany MBZ is offline
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Quote:
Originally Posted by hangit View Post
FWIW, the FSM says reaming should be performed when GPs changed.

John
The one time I changed 'em out, no reaming. I understand that is to remove carbon build up, if any, so the plugs won't short out.
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