Question about 1996 GMC Sonoma
I have a 1998 gmc sonoma with high miles. ihad to replace the vacuum actuator two years ago since then i have replaced it four times. they last for about 3 months then the diaphram rips or busts.any idea what might be causing this.
On top of the transfer case is a vacuum switch with 3 vacuum lines connected to it. This switch controls when vacuum is applied to the vacuum actuator. This switch can fail partly and allow fluid from the transfer case to be sucked up into the vacuum lines and anything connected to them as well. When you replaced the actuator before, did you notice any oily fluid inside of it?
Posted on Dec 23, 2008
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Posted on Jan 02, 2017
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