How much is to much

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Apr 11, 2008 | 05:52 PM

blacktop06

Thread Starter

Freshman User

Joined: Apr 2008

Posts: 28

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How much is to much

I have a 2003 supercrew.I have a chatter in the rear diff. I did axle seals and outer bearings. When i add my new gear lube I put 8onz of the additive in.I still am geting a chatter now its when the rear diff is cold once it warms up some than it stop. Should i put more additive in? Or will that be to much?

Apr 11, 2008 | 06:28 PM

superdutymj

Elder User

Joined: Jun 2004

Posts: 883

Likes: 2

From: La Crosse, Kansas

It shouldn't take more than specified. If your rearend is still chattering, the damage may already be done and you may need your diff rebuilt.

Apr 11, 2008 | 09:11 PM

sclariat

Junior User

Joined: Apr 2008

Posts: 99

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From: Manitoba

Quote:

Originally Posted by blacktop06

By chatter, do you mean when cornering?

Apr 11, 2008 | 09:30 PM

jimm66

Senior User

Joined: Dec 2006

Posts: 382

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From: Green Bay WI. / Wawa Ont.

You might want to do a search, but I heard of having to put in 2 cans of modifier.

Apr 11, 2008 | 10:15 PM

BLK94F150

Postmaster

Joined: Sep 2002

Posts: 3,077

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From: None of your business

What kind of rear end lube are you using? I'm using Mobil 1 75w90 (I know that it's supposed to be 140) with no additive and I hardly ever get chatter. What I do get, I kind of like as it just means that it's actually gripping back there.

Mike