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Questions on Honda MTF and Mobil 75W90

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Old 06-04-2008, 03:03 PM
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Default Questions on Honda MTF and Mobil 75W90

what's the mileage expectancy of the honda mtf and mobil synthetic gear oil?

i know on the toyota's they use extended life tranny fluid are the honda mtf the same and what about the gear oil?

i don't drive the car like a stole it, the car has never experience a drag launch, i don't speed shift the car even during redline, when the opportunities arise i'll drive it spiritedly but i never abuse the car. the car is driven 90% on the highway and i live in southern california...
Old 06-04-2008, 04:51 PM
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Gear oil is for diff,usually 75W90 GL-5.

MTF=Manual Transmission Fluid.
Old 06-04-2008, 05:43 PM
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Originally Posted by Emil St-Hilaire,Jun 4 2008, 04:51 PM
Gear oil is for diff,usually 75W90 GL-5.

MTF=Manual Transmission Fluid.
i know, i'm draining both...
Old 06-04-2008, 05:46 PM
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sorry if it wasn't mentioned but since i'm replacing the differential fluid might as well change the tranny as well...

so, no one has has any experience or ideas based on normal driving how long these fluids will last? 20k, 30k, 40k?
Old 06-04-2008, 07:28 PM
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some people change both every other oil change. some people change both every 30k miles. some people almost never change them.

honda's manual says to replace the transmission fluid at 105k miles.
Old 06-04-2008, 07:41 PM
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Originally Posted by chuhsi,Jun 4 2008, 07:28 PM
some people change both every other oil change. some people change both every 30k miles. some people almost never change them.

honda's manual says to replace the transmission fluid at 105k miles.
105K on the tranny fluid..

the gear oil from the factory does anyone know what it is and is the mobil synthetic a lot better? also, anyone using the mobil has there been any weird noises or adverse affects switching to it?
Old 06-04-2008, 08:33 PM
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i use either mobil 1 or lubrication engineers, whichever I have when i feel like changing the diff fluid. mobil 1's fine. no noise or adverse affects for me so far. cheap and easy to find.
Old 06-04-2008, 09:01 PM
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trans fluid every 15k for a good shift honda mtf

hypoid 75-90 gl-5 reg or syntheticat least 15k. The diff fluid will be dark after 7500 miles

I would do it at these miles for daily driving. This is what i recommend for my customers so there car wil be safe and not to expensive.
Old 06-05-2008, 07:38 AM
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Originally Posted by chuhsi,Jun 4 2008, 08:33 PM
i use either mobil 1 or lubrication engineers, whichever I have when i feel like changing the diff fluid. mobil 1's fine. no noise or adverse affects for me so far. cheap and easy to find.
thanks for the input!
Old 06-05-2008, 07:52 AM
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Originally Posted by 161MPHTOPSPDS2K,Jun 4 2008, 09:01 PM
trans fluid every 15k for a good shift honda mtf

hypoid 75-90 gl-5 reg or syntheticat least 15k. The diff fluid will be dark after 7500 miles

I would do it at these miles for daily driving. This is what i recommend for my customers so there car wil be safe and not to expensive.
if the diff fluid was dark at 7500 doesn't it mean that the oil is doing its job because that's been one of the myths about engine oil, if its dark time to change it.

with the engine oil i've been doing a 10k service interval (mobil synthetic) and i figured the the diff and tranny fluid would be good for 30-40k intervals based on my driving style.


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