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- - 3 speed Transmission (https://67-72chevytrucks.com/vboard/showthread.php?t=500776)

Stefan.

12-30-2011 06:21 PM

3 speed Transmission

Hi,
come in a 3 Speed Manual Transmission a Gearoil 85W90 GL4? and How much?

Stefan

Gianyveedub

12-30-2011 08:51 PM

Re: 3 speed Transmission

Hey, I have a 3speed O/D unit and if it the same as mine, all I did was to pour the gear oil in until it was level with the fill hole. I am pretty sure the experts will chime in soon, they would know more.

brap999

12-30-2011 09:12 PM

Re: 3 speed Transmission

Just fill it through the fill hole until it is full and starts coming back out the hole. You should be able to stick your finger in the hole and feel the oil.

As for the type of oil, any type of GL4 gear oil should be fine, so 85w90 would ok.

Stefan.

12-31-2011 04:34 AM

Re: 3 speed Transmission

Thank you for your information!

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