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Showing results for tags 'vacuum diaphragm'.
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We recently put another piece of iron back on the road with our 47 dodge 2 ton. We’re having difficulty getting the two speed rear end to engage. 1. How/when should we be operating the shifter when attempting to engage the rear end gears? All 5 speeds including reverse sync up perfectly when double clutching, but when lifting the knob that connects to the vacuum line on the passenger side firewall all we hear is the Excelerator increase but gears are not engaging. 2. The small Old vacuum line that connected to the speedometer diaphragm is not connected = May be losing back in there. A. Will the vacuum system still work if we plug that line in order to properly connected to a new speedometer in the future? OR does that line need to be properly connected to the diaphragm on the back of the speedometer in order for the rest of the system to work properly and engage the rear gears?
