Sound is loudest in 1,2,3 &5 not so bad in 4th. Is it worth getting box repaired or is it better to replace. Do pathfinders,navarros or anything else use the same box
Bert in Adelaide...Oz
Dear Bert: I had run into someone earlier in the list I have been answering who had what was what I suspected as a counter gear bearing failure. Your description is a classic description of one.
If I am correct, If in neutral and the clutch engaged, you will hear what sounds like a bunch of grumbling in the tunnel. When you depress the clutch, it goes away. RIGHT? The reason that the noise pretty well disappears in 4th is because 4th gear is where the synchro hub locks the input shaft with the output shaft, thus creating a no load situation for the counter gear. Just a straight shot from the flywheel to the driveshaft, Direct drive!
As far as repairs are concerned, it depends on how long you have been driving the truck this way. If you stopped driving it soon after discovering the noise, it's probably a fixer. Just a bearing and seal kit. Possibly sinchros if you have high mileage. Other than that, it's scrap! Get a used one or a remanufactured one.
I'm the new guy on the block and trying to score "Brownie Points'"
If I have helped you, I'd sure appreciate it if you would let the folks at "Fixya" that I "DONE GOOD" (boy what english!)
Good luck.
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