Have to replace rear diff seals. - Chrysler 300C Forum: 300C & SRT8 Forums
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post #1 of 8 (permalink) Old 01-10-2017, 03:06 PM Thread Starter
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Have to replace rear diff seals.

I haven't confirmed it, other than drippings on the garage floor, but oil change tech said one of the seals is leaking. My two questions are, 1) do I need any special tools, and 2) do I have to drop or undo any of the suspension, or just unbolt the half shafts?

I imagine it's straight forward, but then last time I did those, it was on a '72 Datsun 240Z

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post #2 of 8 (permalink) Old 01-16-2017, 09:20 AM Thread Starter
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Manual says have to lower diff from chassis, suspension to be compressed, etc.

Anyone done this themselves? Is it that much to-do to swap out the seals?
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post #3 of 8 (permalink) Old 01-16-2017, 12:14 PM
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axle seal or pinion seal?

Watching You Avoiding Me!

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post #4 of 8 (permalink) Old 01-26-2017, 07:51 AM Thread Starter
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Quote:
Originally Posted by Kaiser Bill View Post
axle seal or pinion seal?
Well, that is the question, isn't it. Honestly, I've yet to get under there myself, since that last post, if found out that there was more than one possibility.
The guy made me believe it's from the side of the pumpkin, other than that, what do I need to look for to determine?

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post #5 of 8 (permalink) Old 01-26-2017, 08:26 AM
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3 seals...2 axles and the pinion (>driveshaft) seal.
best to check them all before trying to cure or you'll end up with bits everywhere but having failed to get all the parts you need before starting. You'll be walking back to the parts store to find what you want is 'on order, expected next week'
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post #6 of 8 (permalink) Old 01-28-2017, 11:00 AM Thread Starter
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"Propeller shaft"! Forgot that one. He did say "one side" so I'm figuring that clue. Either way you're right, if the same work had to be done for either of the other two, would do both at once.

If it's needed I don't have means to lift car while it's sitting on its own suspension.

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post #7 of 8 (permalink) Old 01-28-2017, 07:45 PM
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over here a propeller shaft lives in an old fashioned aeroplane! Occasionally we call it a propshaft, but not often. You're lucky, its an e xternal fix, you dont have to drop the pumpkin & delve inside


REMOVAL






1. Remove halfshaft(s).<A href="file:///C:/Users/MLA/Desktop/Service%20Manual/en_US/y2008/lx/si/xml/extxref_0354000370.xml"> (Refer to 3 - DIFFERENTIAL & DRIVELINE/HALF SHAFT - REMOVAL)
2. Using suitable screwdriver (1), remove axle shaft seal (2).
3. Visually inspect halfshaft seal journal for damage (excessive seal groove, nicks, scratches, etc.). Replace halfshaft if necessary.

INSTALLATION






1. Using Installer 9755 (2), install NEW axle shaft seal (1). Lubricate the inside diameter with Mopar® Gear and Axle Lubricant 75W-140 to protect seal during halfshaft installation.
2. Install halfshaft(s). <A href="file:///C:/Users/MLA/Desktop/Service%20Manual/en_US/y2008/lx/si/xml/extxref_0354000420.xml">(Refer to 3 - DIFFERENTIAL & DRIVELINE/HALF SHAFT - INSTALLATION)




3. Remove fill plug (1) to check and adjust rear axle fluid level. Top off axle with Mopar® Gear and Axle Lubricant 75W-140. Reinstall fill plug and torque to 50 N·m (37 ft. lbs.) torque.




as I'm a nice guy & those diagrams dont show, here they are below....removal followed by install......
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Last edited by Kaiser Bill; 01-28-2017 at 07:51 PM.
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post #8 of 8 (permalink) Old 01-28-2017, 07:56 PM
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