Question about 1991 Isuzu Rodeo

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I want to top up the gearbox oil in my 1990 rodeo, but not sure how

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This is correct. there is also a drain plug if you want to change fluid while your at it. a lube gun will come in handy to get the fluid in the hole. it looks like a grease gun with a hose and can suck and blow fluid.

Posted on Mar 15, 2013

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Remove the fill plug on the side of the gearbox, usually half way up,and fill the box until the oil starts to run out the hole. Then replace the plug.

Posted on May 28, 2011


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Posted on Jan 02, 2017

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On the side of the trans. you'll find 2 bolts that have 1/2" drive holes in them. A 1/2" drive ratchet head will fit in. On the upper bolt, you'll remove it and this is the hole that the oil will go into. Use a pump that screws to the top of the oil container which is available at any parts store. Pump the oil into trans. until it comes out of the bottom of the hole. Screw the plug back in and tighten.

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