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Strider
Trad climber
one of god's mountain temples.... ಠ_ಠ
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Topic Author's Original Post - Jul 7, 2010 - 08:32pm PT
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Just an FYI for anyone out there who has an older Tacoma with manual transmission shifting problems or anyone who has a newer one and plans to keep it a long time...
Having just bought a '98 Taco, I endeavored to try and fix it up a little bit and one of those projects was looking at the manual tranny. The transmission was having some problems shifting in and out of 2nd and 3rd, doing a little bit of grinding as you eased it into gear. Also, on several occasions I had noticed the transmission pop out of gear, although for me, this was in-frequent. Initial thought was bad synchros, with the clutch coming in as a second suspect. Then I did a little internet searching and found this gem...
http://www.instructables.com/id/Toyota-Tacoma-manual-transmission-pop-out-of-gear/
Basically, the article says there is a rubber/nylon seat that your manual transmission lever sits in, and in the older trucks this seat probably has deteriorated and causes a mis-alignment at the connection with the transmission itself. The symptoms include popping out of gear, grinding gears, difficulty in shifting, etc... Pretty much the same symptoms a bad transmission has.
Here is a picture of the parts I am talking about, with Toyota part numbers. The specific part I am talking about is #33505B (Seat) although you should also replace #33548F (Bushing) as well. Seat is $20.08 and Bushing is $11.29.
Hope this saves some of you some money. I replaced the Seat and Bushing and my transmission works perfectly now. Took 1 hour of my time, $32 in parts, $5 for a tub of lithium grease and saved my hundreds if not thousands on diagnosing and fixing my transmission (I called and asked my mechanic if he knew of this common problem and he didn't and was stoked to hear about it).
later
-n
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apogee
climber
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That's great beta. Any idea how late of model Tacoma this is relevant to?
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Strider
Trad climber
one of god's mountain temples.... ಠ_ಠ
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Topic Author's Reply - Jul 7, 2010 - 09:07pm PT
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I am not sure if they have changed the way the lever attaches to the transmission in later year models but regardless, it won't become an issue until it wears out, which takes around 7+ years.
Then again, if you have a 2005 with problems shifting, would you rather pay a mechanic $150-$200 to look at this for you, or just go buy the parts for $30 and do it yourself in an hour? The only possible way I could see screwing up is if you drop something into the top of the transmission, which would be BAD.
The crux of the mission is removing the metal cup that holds everything in place. You have to press down on it about 1/8" and then turn it 45 degrees counter clockwise. If yours is old and dirty then you will have some trouble with this. I lightly pressed mine down with a few taps from a screw driver and rubber mallet. Then dug the corner of the screw driver into the top of the cup and gave it a few taps with the mallet to turn it. Popped it out, cleaned and greased it and now its great.
-n
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Mighty Hiker
climber
Vancouver, B.C.
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Sorry, we only discuss religion, politics and (sometimes) climbing here. :-)
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Jim Wilcox
Boulder climber
Santa Barbara
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Second generation 4Runner had same issue.
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Strider
Trad climber
one of god's mountain temples.... ಠ_ಠ
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Topic Author's Reply - Jul 8, 2010 - 04:47am PT
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Oh weird. All the SPAM messages got deleted, so the threads have the wrong number of post count.
-n
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pedge
Trad climber
SW
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Thanks for posting that.
Something genuinely useful on Supertopo. The world will probably end today.
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Hawkeye
climber
State of Mine
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Good job! the golden age of ST is here!
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FRUMY
Trad climber
SHERMAN OAKS,CA
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strider - good work - thank you
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TGT
Social climber
So Cal
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There's a lot of interchangeability between light trucks on manual transmissions and rear ends.
The same thing may apply to even Chevy or Ford/Mazda light trucks.
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jstan
climber
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Suspect in the affirmative.
The Chevy dealer told me the rubber bushing holding the tranny on my 92 Silverado needed replacing. Automatic. No problems.
Strider, are you saying the movement just messes up the shifting linkage?
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Strider
Trad climber
one of god's mountain temples.... ಠ_ಠ
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Topic Author's Reply - Jul 8, 2010 - 04:58pm PT
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Depending on how the manual transmission is operated, this fix could certainly apply to other makes and models of manual transmissions. I know my old Ford did NOT use this method of seating the stick, but that was an old 4-speed top-loader in a '67 Mustang...
The Chevy dealer told me the rubber bushing holding the tranny on my 92 Silverado needed replacing. Automatic. No problems.
Strider, are you saying the movement just messes up the shifting linkage?
Sounds like you are talking about the rubber bushings located at your transmission mounts, which dampen vibrations transmitted from the tranny to the frame/engine block, but may or may not do nothing to align the transmission to the shifter (and it's an auto, you wouldn't have this problem anyway).
The thing with a Toyota manual transmission is that there is no linkage to speak of (if it did there would probably be more room for error). The shifter actually is mounted directly to the top of the transmission, with the end of the shifter directly manipulating the shifting mechanism of the transmission. So, when the rubber/nylon seat deteriorates over time it allows too much freeplay at the connection point of the shifter and transmission, causing miss-alignment (grinding, popping in & out, etc...).
One of the reasons this is kinda of a secret fix is because Toyota NEVER mentions it in the maintenance schedule for the vehicle. If they said, "Every 5 years inspect and replace the manual transmission stick shift seat and bushing" then most of us would know about this hidden and problematic part. But they don't....
-n
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Slater
Trad climber
Central Coast
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Mine just hit 200,000 on the way to Shuteye.
Just poured oil in it for the last 10 years.
Man I love my truck.
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LithiumMetalman
Trad climber
cesspool central
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Thanks Strider!
For those wondering if it works on the 2000-2004 Tacomas, it does!
Just replaced the seat and bushing for my 2002 Tacoma today and it shifts like a dream, thought at first it was a clutch issues, but after replacing the seal and bushing, it feels like when I first got the truck, a dream!
Awesome fix for $27.00 and easy to do (takes 1/2 hour). Warning: Cap seal is a pain to get out.
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Jobee
Social climber
El Portal Ca.
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Thanks for the great information. Cool diagram.
I drive a 97 Tacoma 4x4, 2.7 liter dual cam, 4 cylinder.
Love this truck, shifting is smooth, like pulling the trigger on a brand new Camalot 4.
165, 000 miles, clutch is just starting to ride a bit high.
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SteveW
Trad climber
The state of confusion
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Thats not a cat, Jobee!!!!!
:-)
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Jobee
Social climber
El Portal Ca.
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I was visiting the Chapman Manor; Peal is his cat!
-you always make me laugh Steve
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Strider
Trad climber
one of god's mountain temples.... ಠ_ಠ
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Topic Author's Reply - Jul 9, 2010 - 07:38pm PT
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Lithium - That is awesome that the fix worked for you! This is exactly what I was hoping to achieve. Save people money!
Locker - unless you drop something into the top of the tranny, it would be pretty hard to f*#k this up. Just go slow.
For the record, I did let a small piece of rubber from the old seal fall into my tranny. It hasn't been a problem, probably worked its way down to the bottom of the pan and will be flushed next time I changed the fluid. Metal parts falling into the tranny (like screws) would be VERY bad.
-n
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TGT
Social climber
So Cal
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Locker - unless you drop something into the top of the tranny, it would be pretty hard to f*#k this up. Just go slow.
You obviously have never met Locker.
Locker doesn't do "slow"
He'd F*#k up a wet dream.
Maybe you can get Blitzo to do it for you locker
:-)
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