Overfilling an 8.8 differential
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Cargo Master
Joined: Aug 2002
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From: Cajun Country
Overfilling an 8.8 differential
What are the effects of overfilling an 8.8 differential with fluid?I changed my fluid on mine Sat and put the plug in while it still over flowed out the filler plug.It calls for 5.5 pints and I think I put 6.5 pints.
Senior User
Joined: Nov 2002
Posts: 286
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From: Homestead, FL
Overfilling an 8.8 differential
Hi-
That's alright. It won't matter I do it too, I don't know why though...
IF it was extremely overfilled the increased pressure in the housing would cause it to leak from the axle seals or pinion seal, however I think it would be impossible to overfill it that seriously by accident or absent mindedness.
That's alright. It won't matter I do it too, I don't know why though...
IF it was extremely overfilled the increased pressure in the housing would cause it to leak from the axle seals or pinion seal, however I think it would be impossible to overfill it that seriously by accident or absent mindedness.
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Cargo Master
Joined: Aug 2002
Posts: 2,013
Likes: 6
From: Cajun Country
Overfilling an 8.8 differential
I did some back tracking today.When I bought the oil it was in 1quart containers.I put all 4 of them in a clean 1 gallon container so I could pump it it from there.There was about 3/4 of a quart left in the container when I stopped filling the differential.The filler tube I used was so big it just fit in the filler plug hole so it would not let the excess run out when full.After I seen there was a quart left I pulled the tube out and thats when the excess poured out.Iwaited for a small trickle then plugged it.
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