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Old 05-16-2017, 07:06 AM   #1
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DIFU Manual Transmission Fill Bolt

Did I F Up?

I was changing the fluid in my 04' ZHP manual transmission and was torquing the bolts down to 44 ft/lbs as I read in another thread. The drain bolt was fine and torqued normally but the fill bolt went loose before the torque wrench clicked. I pulled the bolt back out to inspect the threads and they seem to be ok. The bolt is a 8MM Hex bolt which I think is aluminum (Can somebody confirm?).

Anyway I put the bolt back in and screwed it in as best as possible and it doesn't seem the be leaking overnight.

What are your thoughts?
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Old 05-16-2017, 08:10 AM   #2
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Did you check the threads in the tranny? The tranny is aluminum but the plug is steel.
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Old 05-16-2017, 08:43 AM   #3
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this is my drain plug.


is that one aluminum or steel? It's hard to check the fill hole threads as it's a tight space.
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Old 05-17-2017, 07:35 AM   #4
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Manual transmission oil drain/fill plug torque is 50nm or 37 ft lbs.
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manual transmission fluid, zhp

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