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Specializing in the 3g CSM
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PostPosted: Wed Oct 02, 2013 9:50 pm 
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Joined: Sat Jul 20, 2013 11:43 pm
Posts: 15
Location: Colorado
Ok I went back out to look at it. The pin was in place, under a shield on the shaft the slides over the selecter piston.
If I leave the actuator in the overdrive position and do not reconnect the vacuum lines I get no gears. Reconnect the vacuum lines and I have 4 regular gears and reverse.
Try to shift into overdrive and I get a light vibrating or grinding and a neutral condition. It appears that I am not producing vacuum at the overdrive end? Or could my actuator blatter be bad (blowing and sucking moves the actuator from both lines)?
My reverse light works so that switch should be good.


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PostPosted: Thu Oct 03, 2013 8:18 pm 
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Joined: Wed Dec 24, 2003 3:32 pm
Posts: 9428
Location: Ottawa, ON, Canada
If a vacuum diaphragm is used on either side, you need to find out what is creating the switching for vacuum to be applied to each diaphragm.. Once you know that, you can use a hand vacuum pump to pull the diaphragms in the correct direct (don't apply more than engine vacuum of like 10-18" or so, just in case.
This should tell you if the diaphragms are good or if they bleed down too quick or don't hold any vacuum at all.
Does that make sense ?


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PostPosted: Fri Oct 04, 2013 11:01 pm 
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Joined: Sat Jul 20, 2013 11:43 pm
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Location: Colorado
It does make sense. I wish I could afford more time on the thing and could sort this thing out. I enjoy driving it a ton.


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