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Transmission and Transfer CASE same ?

Old 08-15-2018, 12:12 PM
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Transmission and Transfer CASE same ?

Dropped the Truck off at a shop to knock out the Front and Rear DIFs.

Told them to go ahead and knock out the transfer case also. They called and said it was done.
I decided to knock out the transmission fluid also.

Guy tells me that it was done and the transmission fluid and Transfer case are the same fluid. Is this correct.

1994 V6 Standard. I believe they are the same gear oil but not the same reservoir.


.
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Old 08-15-2018, 12:42 PM
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Read the door pillar. If you have the A340H transmission/transfer case (you probably do), then yes, they share the same fluid.

What do you mean in your post when you say "knock out"?
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Old 08-15-2018, 12:53 PM
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If your truck has a manual tranny, the trans and the transfer case are both drained and filled SEPARATELY.
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Old 08-15-2018, 01:08 PM
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Thanks ! He did not seem sure. Everything I read on here showed that they had separate reservoirs but that was for the auto trans. I don't have the truck at home at the moment. I guess I could always take it back if I find I have something different. Was just looking for a definitive answer for the standard transmission. I was reading on here that there is a seal between the two but again I think that was for the AUTO. He was telling me they use 80/90 I believe. This is the dealer by the way.
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Old 08-15-2018, 01:10 PM
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What do you mean in your post when you say "knock out"?[/QUOTE]

Knock Out the job. (change the fluid in them)
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Old 08-15-2018, 03:53 PM
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Standard to me means manual so yes they take the same oil.

Edit: They are separate. You can drain the t-case and the tranny fluid is ok.

Last edited by 85TurboRunner; 08-15-2018 at 03:58 PM.
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Old 08-15-2018, 05:39 PM
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How many miles do most have on there manual transmission in the 5 speed 3.0.
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Old 08-15-2018, 11:39 PM
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Red face

Depending where you live if you meant the Toyota Dealer quite possible the Tech or Service writer never saw a truck that old.

Most likely the newest tech as well.

Very personal question!

Some make it out the driveway almost.

Others half a million miles

I have one now at about 225,000 .

Like other mechanical things they can break any time even with proper maintenance

Last edited by wyoming9; 08-15-2018 at 11:43 PM. Reason: Because I could
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Old 08-16-2018, 07:49 AM
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I have 218,000 miles on my R150 transmission and VF1A (chain drive) tcase, and everything is still running quietly and smoothly. In the absence of manufacturing defects, abuse, and/or oil contamination, there really is no specific limit to how long gear boxes like that will run. When properly lubricated, the metal surfaces never touch - they ride on a film of oil - so wear is essentially non-existent under normal operating conditions.

I've had both my diffs, and my transfer case, apart at about 200,000 miles for modifications. All three were immaculate inside, and the bearings and shafts were still within new tolerances. They looked like they'd just rolled off the factory floor.

Three things are bad for gear boxes;
1) abuse and overstress
2) oil contamination with dirt or water
3) sitting unused for longer than about 1 month at a time. 30 days is about how long it takes for the oil film to begin to break down and start exposing bare metal to the atmosphere. At that point you risk rust and pitting of the metal surfaces. It's always best to make sure all of your gears are turning at least once/month. That's why you want to make sure you engage 4wd at least that often.
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Old 08-16-2018, 08:22 AM
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So I just picked it up. Thanks all for the advise. The truck has 196k on it. It has this and that done to it and the guy that owned it before me replaced the timing belt himself (it works great) so I would imagine at some point he changed the transmission fluid. But letís say he didnít. Also letís say none of the previous owners did either. So Iím at 196k and asking them to do it. Then I pick it up thinking it has been done (because they are telling me itís done and because they did transfer Case and not transmission ) and off I go for another 60k or whatever the interval is. Anyways point is thanks for all the help on here. Good group of guys here.
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Old 08-16-2018, 10:10 AM
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Old 08-16-2018, 10:10 AM
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Does this mean I have the R150 transmission or the other mentioned ?
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Old 08-16-2018, 10:18 AM
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You have the R150F. See the bottom line of sticker, below bar code, right hand end of line.

Also, the B04B immediately preceding the R150F is the axle (differential) code, indicating that you have an 8", 4.56 ratio, 4 pinion differential.

All of this is completely stock and normal for a '94 V6 5 speed.

The VIN starting with 4T means your truck was made in North America, not Japan.

Enough trivia for now...

Last edited by RJR; 08-16-2018 at 10:39 AM.
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Old 08-17-2018, 07:54 AM
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Red face

If everything is still stock!! The parts match your door sticker

One finds really interesting things at times
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Old 08-17-2018, 08:05 AM
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Mine has shown to be pretty much stock. Biggest change I have come across is Tires and spark plugs.

Im happy with The original ride height. But I will be putting some bilistein shocks on it soon. A set of factory sparks and Some bf Goodrich Tires and Iíll be done with this for now. Well for now .....
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