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Jeep Wrangler YJ
YJ General Discussion
Help with 4WD indicator light
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<blockquote data-quote="machoheadgames" data-source="post: 440146" data-attributes="member: 18789"><p>It’s very odd that you’re getting vacuum on the plug but when it’s plugged into the tcase switch, you don’t get any vacuum on either axle port in 2WD or 4WD. In 2WD the tcase switch still passes through vacuum up to the front axle to apply suction on one side of the motor. Maybe you have a breakage in the lines somewhere between the tcase actuator and the front axle? </p><p></p><p>FWIW, Mopar doesn’t come with an o ring either. I took one out of an oring kit from Home Depot. </p><p></p><p>The posi locks work fine and have an added benefit of 2lo by shifting transfer case into low and not engaging the posi lock. My dislike for the posilock is mostly is I just don’t really like how they look on the dash and they can be a bit finicky to get adjusted properly. I like the automatic performance of the vacuum system….when it’s working correctly. I personally never had any issues in stock form with the vacuum so I like it. It gets a bit finicky in lifted form because the lines to the axle get taut and sometimes pull off</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 440146, member: 18789"] It’s very odd that you’re getting vacuum on the plug but when it’s plugged into the tcase switch, you don’t get any vacuum on either axle port in 2WD or 4WD. In 2WD the tcase switch still passes through vacuum up to the front axle to apply suction on one side of the motor. Maybe you have a breakage in the lines somewhere between the tcase actuator and the front axle? FWIW, Mopar doesn’t come with an o ring either. I took one out of an oring kit from Home Depot. The posi locks work fine and have an added benefit of 2lo by shifting transfer case into low and not engaging the posi lock. My dislike for the posilock is mostly is I just don’t really like how they look on the dash and they can be a bit finicky to get adjusted properly. I like the automatic performance of the vacuum system….when it’s working correctly. I personally never had any issues in stock form with the vacuum so I like it. It gets a bit finicky in lifted form because the lines to the axle get taut and sometimes pull off [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
Help with 4WD indicator light
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