To: | "Michael Graziano" <mgrazian@ltcm.com>, |
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Subject: | Re: brake bleeding |
From: | "Keith R. Stewart" <kstewart@wwdc.com> |
Date: | Tue, 18 May 1999 17:06:57 -0400 |
> > OK what's PDWA? > > Mike Pressure Differential Warning Activator (Actuator?)....if one of the two separate systems (front, back) on the tandem brake M/C fails, the loss of pressure causes a shuttle in the PDWA to move to one side causing the warning light on the dash to light...if the bulb isn't burned out....or if it hasn't been removed because some DPO or DPM (damned previous mechanic) didn't know how to balance the two systems after the appropriate repairs were made. Keith Stewart |
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