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R-155 manual transmission information . Your 5 speed transmission (WRITE UP )

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Old 08-02-2014, 07:18 AM   #1
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R-155 manual transmission information . Your 5 speed transmission (WRITE UP )

This post is dedicated to the R-155 manual transmission . All you guys with the 5 speed should read through some of this stuff .If you have additional information or known issues , please post within this thread .
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CHECK YOUR CLUTCH ADJUSTMENT !!!!! DONT WAIT FOR YOUR THROW OUT BEARING TO BLOW UP. Some of you are just reading this now and may be too late
This will help you determine if you need a new bearing .
Your throw out bearing is semi-centrifical which means its only pre-loaded when you push your pedal down .When your foot is off the clutch pedal , the throw out bearing is NOT suppose to turn and shouldnt be pre-loaded against the pressure plate fingers .The adjustment is made under the dash at the pedal and master pushrod adjustment .As your clutch wears in , the throw out bearing begins to turn all the time and wears the bearing out premature unless a clutch adjustment is made . The chirping you are hearing is the point in time where your throw out bearing begins to touch the pressure plate fingers .The pressure plate is spinning and the throw out bearing is stationary . Your clutch is starting to wear in a little and this is an early warning that its time to re-adjust the clutch and is how these clutches have operated for very long time .
When this happens , The sound will only be noticeable in neutral with the truck running . When you push the clutch pedal down , the throw out bearing will start turning and the chirping will go away .Some people believe that the bearing is suppose to turn all the time which is totally incorrect .The throw out bearing is "not" designed to be preloaded against the fingers of the pressure plate . Other members make adjustments to their clutch without knowing how a diaphram style clutch works and tell the world they fixed the chirping but really all they did was make the bearing turn all the time - the noise went away so it must be fixed " WRONG " Wrong Wrong .
A diaphram style clutch works like a pivot . As the clutch disc wears in , the fingers on the pressure plate move towards the throw out bearing . Anyone who has changed out their clutch will notice as you are bolting down the new pressure plate to the flywheel , the pressure plate fingers will move outwards towards the release bearing until you have all the bolts torqued down . The same thing occurs as your clutch disc begins to wear in.THE PRESSURE PLATE FINGERS MOVE TOWARDS THE RELEASE BEARING .
Even if you have a new clutch installed at a garage , make sure the free play adjustment is done correctly since some mechanics skip this step and actually use procedures used by Ford to fix your Toyota and accidently send you on your way with a spinning preloaded bearing .Your new bearing is "NOT " going to last as long if its preloaded against the pressure plate fingers because preloading increases as the clutch disc begins to wear .This means that when the clutch is new and adjusted correctly , there is no weight on the bearing . As the clutch disc starts to break in , the weight on the bearing doubles .Print out the FSM free play adjustment and take it to the shop thats doing your clutch job so they have instructions to follow .
There are other issues with the throw out bearing . The above issue is only one of them .

HERE IS THE PROCEDURE TO ADJUST YOUR CLUTCH /throw out bearing
http://www.tacomaworld.com/forum/1st...t-bearing.html

TSB for squeaky clutch pedal Toyota TSB Clutch.pdf

TSB T-SB 0066 Tacoma Warranty Repair 1.pdf
TSB T-SB 0066 Tacoma Warranty Repair 2.pdf

Type in your VIN # here and see what,s been done to your truck at the dealership
http://www.toyota.com/owners/web/pages/home

Type in your VIN # here and see if there are any safety concerns or recall,s on your truck
http://www.toyota.com/recall

Here is the complete parts manual for your truck showing diagrams and prices as of Oct/2013. I suggest downloading it all before it disappears .
2013 Toyota Tacoma Pickup.pdf


Check for TSB,s http://www.toyotaproblems.com/tsbs/Tacoma/

Here is the complete service manual for your truck .I suggest downloading it all before it disappears . http://www.customtacos.com/tech.old/...SM/repair.html

A very common problem is the shifter bushing .
Marlin Crawler
https://www.marlincrawler.com/transm...y-duty-sockets




Rattle in nuetral ? check this TSB http://www.tacomahq.com/861/tacoma-m...attling-noise/

Looking for a better clutch ? http://www.tacomaworld.com/forum/4-c...lutch-2tr.html

Noisy or squeaky ? http://www.tacomaworld.com/forum/1st...ky-clutch.html

Is it the master cylinder or the slave cylinder or both ?
http://www.tacomaworld.com/forum/1st...tch-issue.html
and here http://www.tacomaworld.com/forum/1st...tch-issue.html


Is your clutch pedal squeaky http://www.tacomaworld.com/forum/2nd...rd-tacoma.html

Cant downshift into first gear ?http://www.tacomaworld.com/forum/2nd...st-gear-2.html

How to rebuild your slave cylinder 2.7 write up (with pics )
http://www.tacomaworld.com/forum/1st...r-rebuild.html

TRD quick shifter review http://www.tacomaworld.com/forum/2nd...questions.html

TRD short shifter questions http://www.tacomaworld.com/forum/2nd...-opinions.html

Hurst shifter review /questions http://www.tacomaworld.com/forum/2nd...w-shifter.html

URD short shifter and review http://www.tacomaworld.com/forum/und...ifter-kit.html

Sloppy Shifter ? http://www.tacomaworld.com/forum/2nd...d-shifter.html

and More sloppy shifter info http://www.tacomaworld.com/forum/2nd...d-shifter.html

Superduty transmission mount http://www.tacomaworld.com/forum/4x-...ion-mount.html

Aftermarket skid plate review http://www.tacomaworld.com/forum/2nd...e-reviews.html

Do you need a new clutch ?
Many members at TW use these guys with good results . check Marlin Crawler https://www.marlincrawler.com/

look here for 2.7 http://www.tacomaworld.com/forum/1st...endations.html



Rebuild kits ( example ) http://www.manualtransmissionpart.co...-synchros.html
Rebuild kits ( example ) http://www.americanpowertrainwarehou...s-pro-quality/

Complete transmission assembly (example )http://www.toyotapartsdirect.ca/p/TR...303035A52.html

2012 Clutch problems http://www.tacomaworld.com/forum/4-c...-problems.html

New bearings installed with pics ( write up ) http://www.tacomaworld.com/forum/4-c...-like-see.html





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WHAT DOES THE PILOT BEARING DO ?
When you push your clutch pedal down to the floor the clutch disc is no longer squeezed against the flywheel . The purpose of the pilot bearing is to support the radial load of the spinning clutch disc when the clutch disc is moved away from the flywheel . A clutch disc doesnt seem heavy when you hold it in your hands , but think about when you dump your clutch at 5000 rpm hehehe . If you beleive your pilot bearing is on its way out , Its going to make noise when you have your clutch pedal pushed down .




WIKEPEDIA http://en.wikipedia.org/wiki/Toyota_R_transmission


R155 Manual Transmission
Manual Transmission System: Problem Symptoms Table
Manual Transmission Oil: On-Vehicle Inspection
Manual Transmission Extension Housing Oil Seal: Removal, Installation
Manual Transmission Assembly: Components
Manual Transmission Assembly: Removal, Installation
Manual Transmission Unit: Components, Disassembly, Inspection, Reassembly
Input Shaft: Components, Disassembly, Inspection, Reassembly
Output Shaft: Components, Disassembly, Inspection, Reassembly
Counter Gear And Reverse Idler Gear: Components, Disassembly, Inspection, Reassembly


R155 Manual Transmission: SST
R155 Manual Transmission: Recommended Tools, Equipment
R155 Manual Transmission: Lubricant, SSM
R155F Manual Transmission: SST
R155F Manual Transmission: Recommended Tools, Equipment
R155F Manual Transmission: Lubricant, SSM
R155 Manual Transmission: Service Data
R155 Manual Transmission: Torque Specifications
R155F Manual Transmission: Service Data
R155F Manual Transmission: Torque Specifications
R155F Manual Transmission
Manual Transmission System: Problem Symptoms Table
Manual Transmission Oil: On-Vehicle Inspection
Transfer Adaptor Oil Seal: Removal, Installation
Manual Transmission Assembly: Components
Manual Transmission Assembly: Removal
Manual Transmission Assembly: Installation
Manual Transmission Unit: Components, Disassembly
Manual Transmission Unit: Inspection
Manual Transmission Unit: Reassembly
Input Shaft: Components, Disassembly, Inspection, Reassembly
Output Shaft: Components, Disassembly, Inspection, Reassembly
Counter Gear And Reverse Idler Gear: Components, Disassembly, Inspection, Reassembly
Manual Transmission System: Problem Symptoms Table
Manual Transmission Oil: On-Vehicle Inspection
Transfer Adaptor Oil Seal: Removal, Installation
Manual Transmission Assembly: Components
Manual Transmission Assembly: Removal
Manual Transmission Assembly: Installation
Manual Transmission Unit: Components, Disassembly
Manual Transmission Unit: Inspection
Manual Transmission Unit: Reassembly
Input Shaft: Components, Disassembly, Inspection, Reassembly
Output Shaft: Components, Disassembly, Inspection, Reassembly
Counter Gear And Reverse Idler Gear: Components, Disassembly, Inspection, Reassembl




Clutch
Clutch System (For R155): Problem Symptoms Table
Clutch System (For R155F): Problem Symptoms Table
Clutch Pedal: Components, On-Vehicle Inspection
Clutch Pedal: Removal
Clutch Pedal: Installation
Clutch Master Cylinder: Components, Removal
Clutch Master Cylinder: Installation
Clutch Release Cylinder (For R155): Components, Removal
Clutch Release Cylinder (For R155): Disassembly, Reassembly, Installation
Clutch Release Cylinder (For R155F): Components, Removal
Clutch Release Cylinder (For R155F): Disassembly, Reassembly, Installation
Clutch Unit (For R155): Components, Removal, Inspection
Clutch Unit (For R155): Installation
Clutch Unit (For R155F): Components, Removal, Inspection
Clutch Unit (For R155F): Installation


THIS SECTION IS USED FOR THE W59 AND EARLIER MODELS ----------------------------------------------------------------------------------------
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THE W59 SERIES AND THE R155 SHARE MOST OF THE SAME ISSUES AND PARTS
For you guys with the w59 transmission , look here. This is the complete FSM for a 1996 . http://web.archive.org/web/201011270...searchable.pdf

Noisy bearings in W59 http://www.tacomaworld.com/forum/1st...ml#post9323268

Loss of 3rd gear http://www.tacomaworld.com/forum/1st...hird-gear.html

Linear spring swap for clutch pedal ( write up with pics)

http://www.tacomaworld.com/forum/1st...ap-tw-how.html

Linear spring pictures http://www.tacomaworld.com/forum/1st...-pictures.html

Grease zerk locations with pics http://www.tacomaworld.com/forum/1st...iveshafts.html

Popping out of gear ? http://www.instructables.com/id/Toyo...p-out-of-gear/

5VZ Clutch Job ( with pics )
http://ttora.com/forum/showthread.php?t=149715

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Old 08-05-2014, 08:07 PM   #2
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Good stuff right here. Will be useful for future reference.

Thanks for putting this together!
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Old 08-25-2014, 01:12 PM   #3
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Any links to rebuild kits? Thanks!
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Old 08-25-2014, 04:14 PM   #4
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Good info! Subbing for later
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Old 08-30-2014, 09:31 PM   #5
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Why is the 05-up rebuild kit 777$?! That seems crazy. Also, I would not buy a kit with synchronizes after rebuilding my suzuki tranny and only needing bearings. After 120,000 miles I literally couldn't tell the new syncros from the old ones.
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Old 09-17-2014, 06:39 AM   #6
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Quote:
Originally Posted by berk View Post
Why is the 05-up rebuild kit 777$?! That seems crazy. Also, I would not buy a kit with synchronizes after rebuilding my suzuki tranny and only needing bearings. After 120,000 miles I literally couldn't tell the new syncros from the old ones.
There is a big difference between a Suzuki transmission and a Toyota transmission . From what you are saying here , your problem with the Suzuki transmission should be the same with every other vehicle .
I wish it was that easy and I am sure there are cheaper places to locate a rebuild kit . This was only an example .



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Old 12-24-2014, 08:47 AM   #7
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Sorry if I don't post to the right place, but it seems all the knowleage necessary to answer my question is here.

My first plan was to use a R150 being a 2RZ... I know I just need a 2TR/3RZ to R155 bellhousng adapter from a 05+ 2WD tacoma.

I will have to purchase separatly about all the drivetrain components for my next project and the bellhousing are not that easy to source separatly. On the other hand purchasing a second hand complete manual transmission from a 2WD with his bellhousng is easier and cheap.

Got me thinking that using a newer R155 transmission with better ratios is something that would be very nice but I would have to convert to R155F to use a tranfert case behind it.

Can someone tell me how easy it is to convert it and how it must be done? Does it only involve to replace the tail housing? Do an older tail housing from a R150 can be used?

Thanks a lot!
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