Adjusting the clutch pedal in an '84 SR5

[84sr54wd]

While I wait the arrival of my shop service manual, I thought I would ask these couple of questions:

I have noticed that my clutch grabs on the very last of the release in the pedal..in other words, the friction point is high in the pedal. I am more than sure at 123K I am on the latter end of the clutch wear anyways. It was owned by however many people with different driving styles and from the other routine maint. work I just did, seems to me that whoever had this thing did no regular maint. that should be done....so I am sure this clutch is original 1984.

A) How difficult is it to get the transmission out of the 4wd wagon? I have a scissor lift in my garage, but that blocks the trans from coming out...so was thinking about engineering a way to lift it with the lift then cut some 3.5-4 foot long 1.5foot diam. tree trunks with a V cut out of them (yeah, a lot of weight to move around but solid it would be) and standing them up under the tires and dropping the car down on that while it is in the air so I can drop the lift out from under it and get it out of the way. Whatever I do will be safe and sturdy....but I need access and cannot be laying on the floor trying to run air tools and deal with pulling a trans. Any stories from anyone that has done it? I can do anything mechanically, but would love to hear how difficult it is from someone that has done it. The parts are dirt cheap.

B) In the short run, is there a way to adjust the pedal so that the release point is lower to the floor to change the pedal feel? I have looked quickly after I got the engine back together and the air cond. recharged last night and did not see anything....I know it is a cable clutch....but many had adjustments?

Thanks!

[dlb]

84sr54wd, the factory service manual is available for download on the forum here. see #10 in the FAQs. check out the other faqs while you're at it, lots of useful info in there.

https://tercel4wd.com/forums/viewtopic.php?f=2&t=7442

you are correct that it's a cable clutch. it should adjust automatically. see the clutch chapter in the FSM.

[Gottolovem]

In my opinion the tranny removal "for a clutch" is a rather simple job.
Keep in mind their is a "sweet spot" for how high to get the car off the ground.
To low is no good for obvious reasons and to high will make it difficult to reach stuff especially getting a hundred plus pound tranny placed just right

[keith]

It is cable operated, but it is self adjusting. It is possible that the self adjuster has gotten sticky. The self adjuster is attached to the clutch pedal. A little spray oil on the pawl might fix the problem.

[84sr54wd]

thank you for all of the information everybody! I forgot that this factory service manual was off of this website so I downloaded it and read the clutch section and made an adjustment to the pedal height which has caused the grab point To be closer to the floor, however I still think the clutch has worn in this car. I believe it's the original clutch and I will at some point probably put a new one in there. Its not slipping and it drives okay but I generally have a good sense for these things and feel that it is probably close to end of life. I still have six or seven teeth left at the Pawl so I know that I am still within the tolerance according to the manual.I'm also expecting a hard copy of the factory service manual to show up soon which will be very beneficial to working on the car. Thanks again for everybody's input

[ARCHINSTL]

Are you getting the genuine Toy manual?
Tom M.

[xirdneh]

the only symptom i have had with worn clutches
is slipping in fourth and fifth gears
thats when i replace the clutch

[84sr54wd]

Are you getting the genuine Toy manual?
Tom M.

Yeah, it is the FSM from Toyota used by the service technicians in the dealers. Same one that is on this site downloadable as a .PDF.

[84sr54wd]

the only symptom i have had with worn clutches
is slipping in fourth and fifth gears
thats when i replace the clutch

That is interesting. At the first thought, I would tend to think that there would be more slipping tendency with a worn clutch in the lower gears on throttle since that is when the engine torque is optimally magnified through the transmission. However, at higher vehicle speed and in higher gears, the car has more rolling inertia and the drive plate and pressure plates are spinning slower than in the high gears relative to the transmission output shaft speed at any static vehicle speed.

[keith]

the only symptom i have had with worn clutches
is slipping in fourth and fifth gears
thats when i replace the clutch

That is interesting. At the first thought, I would tend to think that there would be more slipping tendency with a worn clutch in the lower gears on throttle since that is when the engine torque is optimally magnified through the transmission. However, at higher vehicle speed and in higher gears, the car has more rolling inertia and the drive plate and pressure plates are spinning slower than in the high gears relative to the transmission output shaft speed at any static vehicle speed.

You might think that but drag increases with speed and when the drag is great enough, then the clutch starts to slip. It doesn't slip as much when the drag is low, at least it is less noticable.

[Petros]

simple clutch wear test (do not do this very often): engine running, parking brake on, foot on brake, in an open parking lot of field, rev engine by rocking half your brake foot onto throttle and let clutch out slowly. If you stall engine quickly, clutch is good. If you can keep engine running by applying more throttle as you let out the clutch: clutch bad, needs to be replaced. (you will smell burning clutch).

[84sr54wd]

the only symptom i have had with worn clutches
is slipping in fourth and fifth gears
thats when i replace the clutch

That is interesting. At the first thought, I would tend to think that there would be more slipping tendency with a worn clutch in the lower gears on throttle since that is when the engine torque is optimally magnified through the transmission. However, at higher vehicle speed and in higher gears, the car has more rolling inertia and the drive plate and pressure plates are spinning slower than in the high gears relative to the transmission output shaft speed at any static vehicle speed.

You might think that but drag increases with speed and when the drag is great enough, then the clutch starts to slip. It doesn't slip as much when the drag is low, at least it is less noticable.

exactly!

[84sr54wd]

simple clutch wear test (do not do this very often): engine running, parking brake on, foot on brake, in an open parking lot of field, rev engine by rocking half your brake foot onto throttle and let clutch out slowly. If you stall engine quickly, clutch is good. If you can keep engine running by applying more throttle as you let out the clutch: clutch bad, needs to be replaced. (you will smell burning clutch).

There is no way I would ever do that with any car I own, LOL....The thought of it makes me cringe. There are so many other factors I can look at for the statistical probability that my clutch is either ok or not....I cannot stand slipping a clutch. I can assure you this clutch is close to being at EOL....if I did that, it might go right then and there.