ISO: Front and/or Rear Differential
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- My tercel:: 1985 Tercel dlx 4WD Wagon Automatic
- Location: 97540
Re: ISO: Front and/or Rear Differential
Okay thank you very much Petros! I will see if we can do any of that, or ask the shop to do it for me when that time comes. Thanks for the advice.
~Sabra w/ a 1985 Toyota Tercel 4WD/FWD Automatic DLX (Terry)
ISO: Working Stock Carb for 3AC Engine
ISO: Working Stock Carb for 3AC Engine
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- Newbie
- Posts: 19
- Joined: Sat Nov 06, 2021 8:11 pm
- My tercel:: 1985 Tercel dlx 4WD Wagon Automatic
- Location: 97540
Re: ISO: Front and/or Rear Differential
Okay thank you very much Petros! I will see if we can do any of that, or ask the shop to do it for me when that time comes. Thanks for the advice.
~Sabra w/ a 1985 Toyota Tercel 4WD/FWD Automatic DLX (Terry)
ISO: Working Stock Carb for 3AC Engine
ISO: Working Stock Carb for 3AC Engine
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- Newbie
- Posts: 19
- Joined: Sat Nov 06, 2021 8:11 pm
- My tercel:: 1985 Tercel dlx 4WD Wagon Automatic
- Location: 97540
Re: ISO: Front and/or Rear Differential
Hi again Petros,
I was just about to do the chalk/tire test. I am wondering if when you are doing this test on a manual, the front and rear are locked, and that’s what makes this work? I feel that in my automatic the front and rear are not connected, so this might only work if I have it popped in 4WD? Are these accurate assumptions? Thanks.
I was just about to do the chalk/tire test. I am wondering if when you are doing this test on a manual, the front and rear are locked, and that’s what makes this work? I feel that in my automatic the front and rear are not connected, so this might only work if I have it popped in 4WD? Are these accurate assumptions? Thanks.
~Sabra w/ a 1985 Toyota Tercel 4WD/FWD Automatic DLX (Terry)
ISO: Working Stock Carb for 3AC Engine
ISO: Working Stock Carb for 3AC Engine
Re: ISO: Front and/or Rear Differential
Sabra,
The diffs do not lock. You need to only jack up one side, leaving the other on the pavement and then count the revolutions.
Chris
The diffs do not lock. You need to only jack up one side, leaving the other on the pavement and then count the revolutions.
Chris
Psalm 37:4 "Delight yourself in the Lord and he will give you the desires of your heart"
In remembrance of my friend ARCHINSTL:
T4WD augury?
"Oh, do not ask, 'What is it?' Let us go and make our visit."
T.S. Eliot - "The Love Song of J. Alfred Prufrock"
"Now and then we had a hope that, if we lived and were good, God would permit us to be pirates."
Mark Twain
In remembrance of my friend ARCHINSTL:
T4WD augury?
"Oh, do not ask, 'What is it?' Let us go and make our visit."
T.S. Eliot - "The Love Song of J. Alfred Prufrock"
"Now and then we had a hope that, if we lived and were good, God would permit us to be pirates."
Mark Twain
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- Newbie
- Posts: 19
- Joined: Sat Nov 06, 2021 8:11 pm
- My tercel:: 1985 Tercel dlx 4WD Wagon Automatic
- Location: 97540
Re: ISO: Front and/or Rear Differential
So, even with my automatic in neutral this should work? Sorry for being repetitive, I just want to make sure my question is articulated clearly.
Thank you for your help.
Thank you for your help.
~Sabra w/ a 1985 Toyota Tercel 4WD/FWD Automatic DLX (Terry)
ISO: Working Stock Carb for 3AC Engine
ISO: Working Stock Carb for 3AC Engine
- SirFoxx
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- My tercel:: 1981 Toyota Tercel w/ 7age
Re: ISO: Front and/or Rear Differential
i'm not sure that trick will work with an auto due to the clutch packs n such. You can always try it and see what it does.Sabrarain97 wrote: ↑Mon Nov 29, 2021 10:48 am So, even with my automatic in neutral this should work? Sorry for being repetitive, I just want to make sure my question is articulated clearly.
Thank you for your help.
My current wagon came with miss-matched diffs. I knew this as when I put it in 4wd while rolling in neutral, the car slowed to a halt as the drivetrain bound up. I ended up pulling the trans and learned the whole trans got replaced with a junkyard special at some point..
Contact me if you need transmission gaskets!
viewtopic.php?t=16285
1988 DLX 4wd Tercel Wagon w/ weber (RIP)
1986 Base 2dr Hatch (RIP / PARTS)
1986 DLX 4wd Tercel Wagon with 7age (RIP)
1985 SR5 4wd Tercel Wagon (RIP)
1985 DLX 2dr Tercel Hatch w/manual 4wd! swap
1982 4dr Tercel (RIP)
1981 2dr Toyota Tercel w/7age (RIP)
1981 3dr hatch Toyota Tercel w/Turbo 4AGE
1981 3dr hatch Toyota Tercel SR-5
viewtopic.php?t=16285
1988 DLX 4wd Tercel Wagon w/ weber (RIP)
1986 Base 2dr Hatch (RIP / PARTS)
1986 DLX 4wd Tercel Wagon with 7age (RIP)
1985 SR5 4wd Tercel Wagon (RIP)
1985 DLX 2dr Tercel Hatch w/manual 4wd! swap
1982 4dr Tercel (RIP)
1981 2dr Toyota Tercel w/7age (RIP)
1981 3dr hatch Toyota Tercel w/Turbo 4AGE
1981 3dr hatch Toyota Tercel SR-5
Re: ISO: Front and/or Rear Differential
I’ve not worked with an automatic, but the principle still applies. When checking the front diff ratio, I would put the trans in 4WD, leave one tire on the ground and place the trans in nuetral. You should then be able to mark your tire and then count driveshaft revolutions required for the tire to make a revolution. With the similar gear ratios, maybe make two tire revolutions and then divide by two. Similar for the rear, but the trans would not needSabrarain97 wrote: ↑Mon Nov 29, 2021 10:48 am So, even with my automatic in neutral this should work? Sorry for being repetitive, I just want to make sure my question is articulated clearly.
Thank you for your help.
to be in 4WD.
Chris
Psalm 37:4 "Delight yourself in the Lord and he will give you the desires of your heart"
In remembrance of my friend ARCHINSTL:
T4WD augury?
"Oh, do not ask, 'What is it?' Let us go and make our visit."
T.S. Eliot - "The Love Song of J. Alfred Prufrock"
"Now and then we had a hope that, if we lived and were good, God would permit us to be pirates."
Mark Twain
In remembrance of my friend ARCHINSTL:
T4WD augury?
"Oh, do not ask, 'What is it?' Let us go and make our visit."
T.S. Eliot - "The Love Song of J. Alfred Prufrock"
"Now and then we had a hope that, if we lived and were good, God would permit us to be pirates."
Mark Twain
- Petros
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- My tercel:: '84 Tercel4wd w/extensive mods
- Location: Arlington WA USA
Re: ISO: Front and/or Rear Differential
I am not that familiar with how the auto trans is geared (though I have owned two of them). but it seems to me that when the auto trans is in 4wd, it should lock out the drive train so front and rear are mechanically connected together. these cars do not have a center diff like the modern AWD cars, on the 4wd Tercel, front and rear drive train is locked together when in 4wd. that should not change with the auto trans as far as I know.
it has to be IN 4wd, and the trans in neutral, two wheels on the ground on one side, and two wheels in the air on the other side.
it has to be IN 4wd, and the trans in neutral, two wheels on the ground on one side, and two wheels in the air on the other side.
'87 Tercel 4wd SR5 (current engine swap project)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)
'84 Tercel 4wd (daily driver, with on going mods)
'92 Mazda MPV 4wd (wife's daily driver)
'85 Tercel 4wd DLX auto(daughter's daily driver)
'01 Honda Civic (other daughter's daily driver)