4R100 Fluid Level Question
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Elder User
Joined: Feb 2019
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From: NC
4R100 Fluid Level Question
I've got an 01 4x4 with a 4R100. Tranny nearly left me stranded and I realized after getting home my cooler line completely broke almost 360 degrees around the tube where it connects to the hose on the passenger side - I have no clue how much I lost. I know I dripped atleast a quart in the drip pan after i got back home.
Basically the truck wouldnt engage in reverse at all, it just revved up, and barely got in back in forward gear to limp her the 1 mile back home. What I'm trying to figure out, is at what point the trans fluid is normally at to cause engagement issues? As in typically 2 qts low? 3 qts low? Etc? Hopefully someone will know this and it would be a huge help if so to save an extra trip to the store.
Trying to use this as a gauge to know approx how much to start with pouring in and buying extra fluid if needed. Planning on draining the pain too before filling so I'm planning on 7 qts there and I've currently got a total of 10 qts.
Basically the truck wouldnt engage in reverse at all, it just revved up, and barely got in back in forward gear to limp her the 1 mile back home. What I'm trying to figure out, is at what point the trans fluid is normally at to cause engagement issues? As in typically 2 qts low? 3 qts low? Etc? Hopefully someone will know this and it would be a huge help if so to save an extra trip to the store.
Trying to use this as a gauge to know approx how much to start with pouring in and buying extra fluid if needed. Planning on draining the pain too before filling so I'm planning on 7 qts there and I've currently got a total of 10 qts.
It's a Van Gogh
Joined: Feb 2010
Posts: 7,813
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From: Elk Grove, CA
I'd just drain it completely and add all new. Here's a good writeup on the procedure.
You can dump the old fluid in your fuel tank. UNLESS you are in a rural or ag area where they commonly check diesel trucks for red dye. Big fine for using non-taxed fuel on the road.
You can dump the old fluid in your fuel tank. UNLESS you are in a rural or ag area where they commonly check diesel trucks for red dye. Big fine for using non-taxed fuel on the road.
Thread Starter
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Elder User
Joined: Feb 2019
Posts: 548
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From: NC
I'd just drain it completely and add all new. Here's a good writeup on the procedure.
You can dump the old fluid in your fuel tank. UNLESS you are in a rural or ag area where they commonly check diesel trucks for red dye. Big fine for using non-taxed fuel on the road.
You can dump the old fluid in your fuel tank. UNLESS you are in a rural or ag area where they commonly check diesel trucks for red dye. Big fine for using non-taxed fuel on the road.
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Elder User
Joined: Feb 2019
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From: NC
To anyone else wondering the same question as me - the answer is it has to be low as crap to have trans engagement issues.
I drained the pain and only 3.5 qts or so came out from there instead of the expected 6.5/7 qts. Added 11 qts back in and still not reading on the dipstick yet, but it will go in gear now.
On the way to get more fluid now.
I drained the pain and only 3.5 qts or so came out from there instead of the expected 6.5/7 qts. Added 11 qts back in and still not reading on the dipstick yet, but it will go in gear now.
On the way to get more fluid now.
Fleet Mechanic
Joined: Apr 2019
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From: South AR
Thread Starter
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Elder User
Joined: Feb 2019
Posts: 548
Likes: 1
From: NC
Here is a quick link to capacities FYI.
https://www.amsoil.com/mygarage/PRNo...x?unitid=16478
https://www.amsoil.com/mygarage/PRNo...x?unitid=16478
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