stuck pinion gear - Forums at Modded Mustangs
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post #1 of 6 Old January 1st, 2010, 06:48 PM Thread Starter
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stuck pinion gear

hey guys, I started a differential swap on my car today for a LSD and 3.73's and I cant remove the stock pinion gear. I've already taken everything else out but I can't remove it. the bearing is still in there and I don't know how to remove it without a bearing puller. money is tight and I dont want to buy one unless I need to. any suggestions?

"silly ricer, useless wings are for penguins"
2004 mustang 3.9L
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post #2 of 6 Old January 1st, 2010, 07:48 PM
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Is the pinion flange been removed? It press's on to the pinion shaft. After you remove the pinion nut use a BFH and knock the pinion gear out the back.

Motor: 3.8 V6 5 spd
Eagle H-Beams, Ross Pistons
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Eaton M112, 4.10's in Welded diff. 7.5
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Old Numbers on Stock Motor @ 15psi 332whp 340wtq
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post #3 of 6 Old January 1st, 2010, 07:50 PM
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Ya just pound her right out the rear end. With a BFH
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post #4 of 6 Old January 1st, 2010, 08:52 PM
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You are going to have to replace it. there is no way you can get it off without tearing it up.

Turbo 4.3 stroker, 6.73 @ 106mph...still tuning
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post #5 of 6 Old January 1st, 2010, 08:55 PM
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You could try and rent one.

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post #6 of 6 Old January 2nd, 2010, 01:29 AM
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Make sure that you've removed the nut, flange, oil slinger and bearing from the back of the case.

If it's still stuck you need to tap it with a hammer to get the pinion out of the case.

I hope you got an install kit as well to replace the bearings and races.

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He got ahead for 1 second then MY loltek kicked in and I got 12+ cars ahead.
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