If your 4speed muncie transmission suffers from popping out of the reverse gate read on for a simple adjustment that will make a world of difference... this also applies to shifters that have to be held to the left once in reverse to keep the back-up lights on. Yes there is the adjustment on the reverse light switch but sometimes in order for them to stay on the switch also engages when the car is in 1st, an unwanted side effect some have put up with. However, this adjustment is made to work in conjunction with the adjustments on the reverse light switch, and picks up when you've reched the limits of the reverse light switch adjustment.
There is an adjustment for the reverse shifter detent that is missed in all documentation covering shifter cable adjustment and shifter adjustment, that's why i'm making such a big deal about it.... us 4 speed muncie drivers have the right to know! This dentent adjustment is controled by the positioning of a small 10mm located near the front lower portion of the shifter assembley (see pictures) If you suffer from the shifter needing to be held in the reverse gate to keep the reverse lights on, move the bolt once losened to the left... but note that small increments are the way to go, 1mm can make the world of difference here. basically you want to move the bolt to the left slightly until the shifter stays in the revers gate once placed there. This adjustment bolt is hard to reach with just the shifter surround removed so I also remove the radio pod surround to get a little more room to work. Once you get the shifter to stay in the gate follow with a complete shifter cable adjustment and note the difference. You'll never have to hold your reverse lights on again
Great info. I suffer from this myself and haven't gotten around to even looking into it. Thanks for saving me a bunch of time and effort. Gee I love this place.
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AIM-jaxpac257 Daytona or Bust in "05"
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05:53 PM
Silicoan86 Member
Posts: 1614 From: Savage, MN, USA Registered: May 2004
Did GM forget about this adjustment? Look at the last line in this article:
I assume that the article is referring to the automagic transmissions. How quickly any given gear engages in a manual is at the discretion of the driver.
