Have changed oil twice on my gearbox, once when got car at 132,000 miles and the just I did a clutch at 199,500 miles. I will be doing again soon as currently my CS is on 299,635 miles still the original box
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| Author: | asdrewq [ Sun Jan 04, 2015 1:45 pm ] |
| Post subject: | Gearbox oil |
What's currently recommended for the GT-four? I believe the original fill was as follows: Category: Gear Oil. Product Name: TOYOTA GEAR OIL SUPER GL-5 75W-90. Part No: 08885-02106 API: GL-5 SAE: 75W-90 Type: mineral As I understand it, it was designed in a time before EP (Extreme Pressure) lubricants were required. The Toyota repair manual merely states a GL-5 75w-90. Pretty much all GL-5 now available is semi/fully synthetic and EP. Does anyone know the modern equivalent of a 1995 spec GL-5 oil? I have read about people having shifting/synchro issues when using modern fully synthetic lubricants, some using ATF, some mixing in LSD additives & claiming it helps, some using GL-1 mineral (good for synchros, bad for gears?) it's all a bit confusing really. Other considerations - Does anyone know what the synchros are made of? If they are a yellow metal (brass/copper) I believe some oils can cause corrosion. |
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| Author: | Sirius [ Sun Jan 04, 2015 7:55 pm ] |
| Post subject: | Re: Gearbox oil |
My opinion is that most of the problems are caused by poor use of the gearbox and infrequent oil changes. I have been using Millers CRX 75W90 NT in my gearbox for over 100k miles. The gearbox still performs well with over 150k miles on the clock. |
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| Author: | darrylp [ Mon Jan 05, 2015 4:31 pm ] |
| Post subject: | Re: Gearbox oil |
Have changed oil twice on my gearbox, once when got car at 132,000 miles and the just I did a clutch at 199,500 miles. I will be doing again soon as currently my CS is on 299,635 miles still the original box Sent from my HTC One using Tapatalk 2 |
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