What the heck is this and is it causing grinding? - JeepForum.com
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Unread 01-24-2015, 01:17 PM   #1
bthompson12994
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1988 YJ Wrangler 
 
Join Date: Feb 2013
Location: Harrisburg, NC
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What the heck is this and is it causing grinding?

I did some quick searching and found nothing. I bought my second Jeep today. I sold my 2004 rubicon earlier this week and got behind the wheel of a 1988 2.5l yj today. On the 2 hour drive home it was doing great and I was handling the 5 speed alright (never driven stick before)(I'm only 20). After about an hour and a half it started grinding in every gear except 4th. I limped her the rest of the way home in an angry panic. Now I'm not scared to tackle a project and most times I pull through alright, so I climbed underneath and gave a quick inspection to find this random plug looking thing hanging from the passenger side of the tranny. What the heck is this? Where does it go? Will it fix my grinding problem or am I out of luck.

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Unread 01-24-2015, 01:20 PM   #2
bob8619
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I think thats the reverse light switch. Whats left of it anyways.
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Unread 01-24-2015, 01:22 PM   #3
bob8619
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The part that goes into the tranny housing has a metal ball on the end. I suppose its possible that the ball popped into the transmission but I doubt it. So, it could be related to the grinding but maybe not.
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Unread 01-24-2015, 01:48 PM   #4
Anticanman
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Welcome to the Yj world. You would be best off draining the transmission and looking very closely at what comes out. Note the color. The brass synchro gears can start shredding and then when enough pieces are lodged inside they tear up the harder steel components. However, you may jus be low on fluid.

Have a looksee and welcome to the square side.
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Unread Today, 11:21 AM   #5
bthompson12994
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It's the 5th gear switch, broken off. No big deal as far as I can tell.
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Unread Today, 11:24 AM   #6
bthompson12994
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Thanks for all of your input.
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Unread Today, 12:02 PM   #7
Mark05059
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never heard of a 5th gear switch... whats its purpose?
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Unread Today, 01:07 PM   #8
jhrebs
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I would've guessed its the indicator that controls the little arrow on your dash to tell you when to shift. Either way, your first step is drain fluid and inspect. Do the simple things first. And an added bonus you change the tranny fluid.
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