Torque, specifications, capacities, requirements, and tolerances list - Page 3 - Toyota FJ Cruiser Forum
Maintenance Tech This forum is for discussion of all aspects of maintenance that should be performed on the FJ Cruiser to keep it operating at maximum efficiency.

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post #21 of 65 (permalink) Old 04-03-2012, 09:10 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

Quote:
cjspeed previously said: View Post
Why is there such varying recommendations or information about the gear oils?

On the one hand there is a TSB that says Toyota currently recommends 75W85 GL5. Correct? Then right after that there are members recommending/using/quoting 75W90. WTF? If Toyota is recommending (and using) 75-85 why would someone recommend 75-90?

And the 80-90 for rear diff? Where does that come from? There's a whole bunch of other threads quoting 75-90 GL5.

There is a difference between 75-85, 75-90 and 80-90. More than some might think.

Is there a thread or post that has the difinitive information from Toyota or other reputable/reliable source for what the weight should be in the gear oils for the FJs? Since the OP says none of this info has been verified at all it seems kinda useless (ie - whether it is right or not).
The OP did a great job gathering all the information! All the oil weights are also relavent when you know how they apply.

The Toyota 75W-85 synthetic is probably better suited for a GL-4 application. GL-4 gear oils are mostly used for manual transmissions/transaxles and are non-corrosive to yellow metals (synchros). It's possible that the Toyota 75W-85 gear oil is both GL-4 and GL-5 rated but I'm not 100% sure, as I don't use it. For diffs and transfer case use GL-5 75W-90 synthetic because yellow metals (bronze/brass) are not present. The only other benefit I can see using Toyota 75W-85 is maybe a bit better fuel mileage due to less drag on gears and bearings.

The 75w-90 is a synthetic that most use to replace the 75W-85 (that's impossible to find). You can actually buy 75W-90 that has a GL-4 rating if that's what the 6 MT requires (I can't say because I have a AT). The key is, use GL-4 where specified. I don't know if GL-4 75w-90 can/should be used in a differential/gearbox application, that you would have to check.

The 80W-90 is a non-synthetic oil that can be used in a pinch if you had to. It's been around forever, and far before synthetics were even on the radar. No real need to use it unless you really want cheap/affoardable oil - it will do the job.

The main thing to know, is it for GL-4 or GL-5 application and buy the viscosity that's appropriate for the job. With some common sense, the viscocity is less important than you think. You wouldn't use GL-5 75W-140 in Alaska nor would you use GL-4 75W-85 in the Plains of Africa.

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post #22 of 65 (permalink) Old 04-03-2012, 09:32 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

My post wasn't about relevance and I fully understand how they apply. GL4 and GL5 is also not in question as to how it applies. People can assume or use whatever fluids they like based upon a lot of differing criteria.

My question had to do with what TOYOTA recommends. Specifically. That's really all I came to find and instead there is nothing but conjecture or guesses. While not a huge problem finding the information elsewhere I found it odd that there wasn't a thread with the accurate, and specific, info. IOW - specific info taken direct from the FSM is what I was after.

75W85 GL5 is not hard to find in synthetic. Neither is 75W90 in either 4 or 5. Both area easily obtained (eg: red line oils).
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post #23 of 65 (permalink) Old 04-03-2012, 11:10 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

I see your case and point. I can't contribute further but please post the information that you found elsewhere and how it applies.

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Last edited by Nico; 04-03-2012 at 11:14 AM.
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post #24 of 65 (permalink) Old 04-09-2012, 08:13 PM
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Re: Torque, specifications, capacities, requirements, and tolerances list

"aye"

Please add Coolant capacity.

2. ADD ENGINE COOLANT

(a) Tighten the 2 cylinder block drain **** plugs.
Torque: 13 Nm (133 kgfcm, 10ftlbf)
(b) Tighten the radiator drain **** plug by hand.
(c) Add engine coolant.
Standard Capacity:
Item
Specified Condition
for Automatic Transmission
9.8 liters (10.4 US qts, 8.6 Imp. qts)
for Manual Transmission
9.4 liters (9.9 US qts, 8.3 Imp. qts)

2011 FJC Silver Fresco
Digital ATF Dual Temperature Gauge, Tru-Cool LPD4921 ATF cooler with Cold Weather Bypass, Scuba mod., Dual Horns, RS3200 Alarm System, Rock Rails, Cargo Cover
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post #25 of 65 (permalink) Old 04-18-2012, 06:53 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

iPhone bump for reference

"Sometimes you are actually restricted by what you know. It narrows your vision and doesn't challenge you to find different ways."

-Wikid

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post #26 of 65 (permalink) Old 06-14-2012, 10:00 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

Great thread...

08 TI - 2" OME, 285/70 BFG's, Toy Brushguard, Rock Rails
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post #27 of 65 (permalink) Old 06-14-2012, 10:10 AM
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post #28 of 65 (permalink) Old 06-14-2012, 02:47 PM
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Re: Torque, specifications, capacities, requirements, and tolerances list

Gr8. Thanks

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post #29 of 65 (permalink) Old 06-20-2012, 09:11 AM Thread Starter
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Re: Torque, specifications, capacities, requirements, and tolerances list

Sorry, I haven't been on here much. But, I updated the information based on the posts made since last time. Enjoy!

2007 FJ 6MT black -n- black
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post #30 of 65 (permalink) Old 06-25-2012, 09:11 AM
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Re: Torque, specifications, capacities, requirements, and tolerances list

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Sorry, I haven't been on here much. But, I updated the information based on the posts made since last time. Enjoy!
Thank You!
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