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5523Pathfinder

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Posts posted by 5523Pathfinder

  1. iirc the detergents are to aggressive for the soft parts in our transmissions. Straight GL-4 only, no GL-5 or "GL-4 Compatible"

     

    Perhaps 5523Pathfinder will chime in on this, he used RP before his trans died, I'm just not sure about the exact product he used. Mine died about the same time and we both opted for RedLine MT50 in our replacements. No problems since and this is the fluid many opt for, often after learning the hard way.

    Yep, I did. I used RP Syngear 70-90w that is compatible with gl-4 and gl-5. Now to be fair, my transmission was already going due to a previous service before I bought my rig. I bought it with 86k on it and made it to around 135k before having to change the transmission. By no means did the RP fluid save or deminish the internals. It was a band aid. After swapping in another transmission, I filled it with Redline mt50 as Red stated. I just flipped 250k this morning and have had no issues with my transmission since.

     

    I do recommend the Redlne Mt50 though. It is formulated for the softer metal that our gears and components are made out of. The "compatible" fluids can have additives that weaken those metals.

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  2. I've had my lockrite installed for quite some time now and its definitely been over 100,000 miles. I've never had a vibration from the locker nor should I. If the adjustment rings were installed wrong you would of felt it a long time ago and probably damaged some of the teeth on the ring and pinion. Being it sounds like you eliminated a tire issue for the most part, my guess is that have a u-joint going bad. Inspect all the u-joints including those on the front axle. Does your vibration shake the steering wheel or the body?

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