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Review Area: Drivetrain | Transmission (and Clutch)

Torsion to Linear Clutch Spring Replacement

TL;DR - The linear clutch pedal spring I installed is working great. Everyone with a torsion spring on their clutch pedal should do this proactively. For anyone looking to do this upgrade themselves, I've got a short, simple guide to the work: Fixing the Clutch Pedal Spring (Torsion to Linear, Eliminate Squeaks) As easy as the conversion from the stock torsion clutch pedal spring to the linear spring (90507-14030) variant ended up being, it took me quite a while to get around to doing the swap, for two reasons: I had a bit of a tough time learning exactly where…

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Leaking Transmission-Transfer Case (again)

TL;DR - After replacing the transmission seal on the transfer case input shaft, my leak disappeared for about three months. But, it's back, so I need to replace the seal again. When replacing the seal in the transmission where the input shaft of the transfer case connects to the output shaft of the transmission, I was super careful to ensure that I aligned the two components so the shaft wouldn't mar the surfaces of the seal. Or so I thought. I've got the same leak as before, so I'll be doing the job again. Oh, joy! Still dripping.  

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The Clutch Spring is Worn Out

TL;DR - For the last several months my clutch pedal hasn't been returning fully. Clearly, the plastic bushings on the torsion spring are wearing out (they're squeaky too), so I'll be replacing the torsion spring with a linear spring. I don't know why, but not all manual transmission 1st gen Tacomas use the same spring to return the clutch pedal to the out position. Those equipped with a 4-cylinder engine use a linear spring (90507-14030), and those with a 6-cylinder use a torsion spring. The problem with the torsion spring isn't the spring itself - it's plenty strong and never…

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The Transmission is Leaking (new)

TL;DR - The seal in the transmission that accepts the input shaft from the transmission is leaking and needs to be replaced. At the same time I noticed the slow leak at the rear diff, I also noticed a drop of gear oil on the transfer case skid plate. A quick inspection led to the seam between the transfer case and transmission - a cavity that should be dry. More often than not, a bit of oil leaks into this location, with the probability increasing if the two components have ever been separated. After noticing the gear oil, I added a…

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Transfer Case Input Shaft Bearing is Imploding

TL;DR - I need a new transfer case. Like most of the rest of the Tacoma, I "only" have 200K miles on the transfer case. While these are generally viewed as rock solid components that can last upwards of half a million miles, mine actually started to show signs that something was wrong nearly 100,000 miles ago. I thought I'd rectified the problem after changing the oil, but clearly that wasn't the case - the damage already done to the bearings that keep things spinning smoothly. Everything came to a head in the Back for More trip, when a strange…

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