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Jeep Wrangler YJ Resources
YJ How-to Guides
How to fix the vacuum motor on your YJ
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<blockquote data-quote="Flyer58" data-source="post: 425443" data-attributes="member: 18629"><p>Chris, I just finished with the rear axle and now it's time to start on the front. In trying to solve my lack of 4WD I found all my vacuum lines were separated at the multiple connectors and the transfer case switch was full of gunk. I got all the lines connected and switch cleaned out so now the vacuum system tests and works as it should but still no 4WD. The NP231j was out during the rebuild, I put new seals in and it works properly. The only thing left is the front vacuum motor has failed.</p><p></p><p>So my question is - by adding the spring or nylon spacer does that keep the front axle halves engaged all the time as opposed to the motor engaging and separating them? I'm ok with that, I guess the 4WD light will stay on and MPG may vary. </p><p></p><p>Thanks.</p></blockquote><p></p>
[QUOTE="Flyer58, post: 425443, member: 18629"] Chris, I just finished with the rear axle and now it's time to start on the front. In trying to solve my lack of 4WD I found all my vacuum lines were separated at the multiple connectors and the transfer case switch was full of gunk. I got all the lines connected and switch cleaned out so now the vacuum system tests and works as it should but still no 4WD. The NP231j was out during the rebuild, I put new seals in and it works properly. The only thing left is the front vacuum motor has failed. So my question is - by adding the spring or nylon spacer does that keep the front axle halves engaged all the time as opposed to the motor engaging and separating them? I'm ok with that, I guess the 4WD light will stay on and MPG may vary. Thanks. [/QUOTE]
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Jeep Wrangler YJ Resources
YJ How-to Guides
How to fix the vacuum motor on your YJ
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