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Old Dec 8, 2013 | 12:20 PM
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steering gear oil
Can you use a multigrade oil 85w140 that is gl4 and gl5? I was looking for a gl4 in a straight 90weight but can't find it locally yet.
 
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Old Dec 8, 2013 | 12:51 PM
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Originally Posted by obscurity
Can you use a multigrade oil 85w140 that is gl4 and gl5? I was looking for a gl4 in a straight 90weight but can't find it locally yet.
That's what I used.
 
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Old Dec 8, 2013 | 12:57 PM
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My concern really revolves around a note I found that said gl5 will eat yellow metal (worm gear)
 
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Old Dec 8, 2013 | 01:02 PM
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Originally Posted by obscurity
My concern really revolves around a note I found that said gl5 will eat yellow metal (worm gear)
I think you'll find the worm gear is steel. Yellow metal usually refers to copper, brass such as synchronizers, thrust washers, etc.
 
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Old Dec 8, 2013 | 01:05 PM
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The sulfur compounds that eat yellow metal only do so at high temperatures anyway, like a heavily loaded transmission gearbox.
 
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