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Rear Diff Fluid Capacity

TheHydro

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I want to change out the diff fluid on my GT. Does any one know how much fluid it holds? Thanks
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TheHydro

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I looked in the owner'a manual that came with the car and didn't see it in there
 

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Jeff_oddo

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I changed my diff fluid out today with Royal Purple and a 4oz. bottle of Ford Friction Modifier. I ended up putting 2 qts in as bairly any fluid started to come out when I was topping it off. It calls for 3.2pts which is almost 2 qts. Just wondering, is it even possible to over service it? I would think not as the fill plug wouldn't even allow you to. Just curious since not a lot of fluid started to drip out when I was filling it up with the last bottle.
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