Transmission Linkage on '89 GW

MReno · Post by **MReno** » Tue Apr 07, 2020 12:28 pm

So I notice on my GW that what I think is called the "bellcrank" rod, this is disconnected from the other linkage rods, as a plastic grommet type thing appears to have worn out. Anyone know what I am talking about? Attached is the image from the Repair Manual.

Annotation 2020-04-07 152701.gif

MReno · Post by **MReno** » Tue Apr 07, 2020 12:28 pm

I cannot seem to source these linkage grommets.

sirrus · Post by **sirrus** » Tue Apr 07, 2020 2:57 pm

Same here - when I discovered mine are loose, ordered couple lookalikes off eBay, but they don’t fit. Ones that BJs sells are for the gear shifter linkage. Mine are more or less ok though, just extra wobbly.

Thought about printing then with PETG or nylon, but I need to measure it first and I don’t have any spares

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letank · Post by **letank** » Thu Apr 09, 2020 5:32 pm

I looked on the LMCtruck catalog, but chevy is using cable on their TH400 and TH350, I know we are dealing with the TF727... so I did a search and came up for a doorman part number, 74039 for ferds... OD .0475 ID .225 and and 74040 OD .525 adn ID .240, so at some point I will crawl and check the size of the rod on the TF727

tgreese · Post by **tgreese** » Fri Apr 10, 2020 10:46 am

McMaster-Carr offers a wide variety of flanged bearings: https://www.mcmaster.com/bushings/beari ... r~5-2f16-/

sirrus · Post by **sirrus** » Fri Apr 10, 2020 11:56 am

That might actually work and should last longer than plastic grommets. However need to figure out how to lock linkage ends in the bearing so it doesn’t come apart after first bump. Maybe pressing one in would work

MReno · Post by **MReno** » Fri Apr 10, 2020 1:15 pm

What a PIA and stupid part to put on what at the time was to be a durable 4x4 SUV. Will get it figured out at some point!

tgreese · Post by **tgreese** » Fri Apr 10, 2020 2:14 pm

sirrus wrote: ↑Fri Apr 10, 2020 11:56 am That might actually work and should last longer than plastic grommets. However need to figure out how to lock linkage ends in the bearing so it doesn’t come apart after first bump. Maybe pressing one in would work

Drill a hole in the rod end and put a cotter key through it?

Post by **fulsizjeep** » Sat Apr 11, 2020 7:23 am

tgreese wrote: ↑Fri Apr 10, 2020 2:14 pm Drill a hole in the rod end and put a cotter key through it?

Must have been in 2003 that all the bushings on my 88 linkage were falling apart. I did the drilling with a cotter pin thing. It doesn't come apart but it had slack in each joint. At the steering wheel, the shift lever might say Nuetral when in Drive. Ran it that way for 10 years though.

Have you seen this thread? It shows promise...
viewtopic.php?t=6497

sirrus · Post by **sirrus** » Sat Apr 11, 2020 9:32 am

For gear linkage there’s inexpensive kit available from BJs - has correct bushings as well

But TV linkage uses different bushings which no one sells, so Lowe’s may help here

tgreese · Post by **tgreese** » Sat Apr 11, 2020 10:37 am

Yeah, I'd think you could use whatever plastic bushing takes up the slack and figure out a way to secure it afterwards.

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