Tremec Rx Needed - FFCars.com : Factory Five Racing Discussion Forum
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post #1 of 10 (permalink) Old 09-14-2018, 01:26 PM Thread Starter
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Tremec Rx Needed

Went to back out of the garage today and discovered no reverse gear on my TKO-500. Appears 5th is also out. Seemed to have come out of nowhere, but then I recalled my latest drive this past weekend when I missed a shift between 3rd and 4th under heavy throttle and nicked reverse. Got the grind you'd expect, but it notched it into 4th no problem. The shift lever moves into the reverse position, but it isn't the typical notchy feeling I get in the other gears. I also can't get the shifter to lock into the 5th gear position. I haven't started any diagnosis, but thought I'd ask for suggestions from the experts to help me narrow it down more quickly. Hoping to diagnose and repair myself, but transmissions are a weak spot for me experience-wise. Good news is I have a reliable transmission shop nearby that I'm confident could handle the job if it comes to that.

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post #2 of 10 (permalink) Old 09-14-2018, 02:51 PM
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Can't help much (very little actually) except to say that 5th and reverse are on the same shift rail in the TKO. So the problems are definitely related. Something broke and unfortunately I see a teardown in your future.

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post #3 of 10 (permalink) Old 09-14-2018, 03:59 PM
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Danny:

You may have lost your "5th - Reverse Shift Lug" or your "5th - Reverse Shift fork". If it is the lug, It can be repaired from the top of the tranny under the middle cover. If it is the fork, you will have to open the box...
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post #4 of 10 (permalink) Old 09-14-2018, 05:16 PM
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It might be the roll pin that secures the shift lug to the shift rail. If there are any pieces missing (dropped down to bottom of case) they all have to be cleaned out.
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post #5 of 10 (permalink) Old 09-14-2018, 05:30 PM Thread Starter
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I've got my fingers crossed that it's the lug or pin, which will be easy enough for me to get at and repair. Assuming the missed shift was the catalyst for the problem, which has the higher probability for failure, the lug or the fork?
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post #6 of 10 (permalink) Old 09-15-2018, 11:43 PM Thread Starter
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Got the center inspection cover off today and the 5th/Reverse lug looks fine. When shifting into reverse the rail moves forward, but doesn't feel like it's sliding into gear. Try to shift into 5th and it simply locks up, the rail won't budge. I guess I'm off to my local tranny shop. Despite having gears 1-4, I assume driving the car would be a bad idea. If there are broken parts in the case, I'd hate to make matters work by driving it to the shop only to have something make its way into a gear. A ride of shame is in my future.
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post #7 of 10 (permalink) Old 09-16-2018, 01:21 PM
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DAnny:

Since you are going to pull the tranny anyway, you may wish to open the top cover and take a look for yourself. Go to Tremek Car Videos - Street Car Drag Racing Videos and you can find the transmission repair guide under their "Product Literature" to see what may be necessary to make the repair.

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post #8 of 10 (permalink) Old 10-08-2018, 05:24 PM Thread Starter
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Pulled the transmission a couple of weekends ago. Opened the inspection covers and the problem was quickly evident. The 5th reverse lever failed. I opted to have a local shop go through the entire transmission and replace the lever. Replaced one synchro, but otherwise everything else looked solid.
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post #9 of 10 (permalink) Old 10-08-2018, 07:00 PM
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Hopefully if wasn't too expensive.

Did you pull the engine, or take it out from the bottom? Mine leaks, like about 1/2 of them do. I need to reseal it but haven't gotten motivated enough to pull it out.

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post #10 of 10 (permalink) Old 10-09-2018, 12:34 AM
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Quote:
Originally Posted by Avalanche325 View Post
Hopefully if wasn't too expensive.

Did you pull the engine, or take it out from the bottom? Mine leaks, like about 1/2 of them do. I need to reseal it but haven't gotten motivated enough to pull it out.
Hopefully it isnt an expensive fix.

Im getting ready to purchase my TKO. I didnt know they leak. Where do they leak from?

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