M-135 Shifting Problem

From: Sean Bathrick (Bathrick@imcchemicals.com)
Date: Fri Mar 24 2000 - 14:11:53 PST


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The M-135 is back on road, just a little slow at this point. It reverses and drives forward in all positions on the selector, but it won't shift out of first. I disengaged the transfer case and put the selector in the different settings and it changed gears just fine. But when I put the transfer back in, it stayed in first. We changed the idle a little and tried to adjust the control valve operating lever at the carb. Now it won't shift from first even without the transfer. We even tried to manually do it underneath by deflecting the control valve arm. Is there a way to flush out a transmission? One of the mechanics thinks a peice of dirt or something is clogging the control valve. Is this possble and if there was something in there, could it do this? What about taking off the cover and looking at the control valve assy? Anyone done this before? I have looked at the service manual and I am lost at this point. Any suggestions? All help greatly appreciated. (Boy do I like manual transmissions)
Thanks
Sean
MVPA 14222
53 M38A1
51 M135
67 M416



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