Author Topic: Project: The '81 "Yoter"  (Read 26106 times)

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a1gemmel

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Re: Project: The '81 "Yoter"
« Reply #210 on: Feb 03, 2024, 10:46:45 PM »
Some time when its convenient, could you let my know how far the fan motor sticks out off the radiator ?

I'll grab this for you tomorrow!


Well well well, if it isn't the consequences of my actions... it seems my humble L52 transmission has not enjoyed the "dragging an 8000lb van through the woods" vibe that I've been bringing to the table and is going on strike to protest poor working conditions.
I think the trans is not long for this world, mostly 2nd gear is problematic but here's the symptoms:

- Intermittently 2nd gear disappears, push all I want or try rev-matching but it's as if there's no gear in that position. No feeling of syncro engagement at all
- 2nd gear hard pop-out
- 3rd gear pop out under neutral load (only once or twice)
- 2nd gear occasionally being all grind as if the clutch is not depressed, no rev-match can engage the gear at all
- stuck in 1st gear until turning the truck off (only once)
- Slow "tick tick tick   tick    tick       tick           tick" matching road speed as coming to a stop
- Sharp clunk when taking up drivetrain slack going from accel to hard coast and vice versa

This comment from Marlin himself might explain some of the issues:
https://www.pirate4x4.com/threads/l52-transmission-problem.225525/

I will look at the shifter bushing first, but I have a marlin delrin bushing in there so I doubt it's gone off already.

Here's the kick in the pants - I'm supposed to be going to Moab on Thursday with a few friends. I'm thinking I'm going to have to slam my L45 4 speed back in the truck over the next few nights, will have to start on that tomorrow evening.
By some miracle I hope I'm missing something dumb like the shifter bushing, but the evidence doesn't look good. Anyone have some sage wisdom to share before I tear into the swap?
1981 Pickup - 37s, 5.29s, L52, dual cases 4.7 rear, e-locker front, grizzly rear, 22R stroker
1986 4Runner - 35s, 5.29s, auto, front Detroit, rear trutrac, 4" lift

 
 
 
 
 

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