second time for metal flakes in the gear lube... why?
#439149
08/15/09 08:32 PM
08/15/09 08:32 PM
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Joined: Aug 2005
Posts: 989
WI, USA
67dodge67
OP
mopar addict
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OP
mopar addict
Joined: Aug 2005
Posts: 989
WI, USA
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About two years back, the clutch packs became damaged and ended up leaving a ton of metal flakes in the gear lube (8 3/4, 742 carrier, locker). Initially, I had a shop set up the rear end and after it happened, I went to a different place to get it fixed. Back then, it had lasted a year, almost to the date. The car had only a dozen passes (67 Coronet, 470, 727, 3.91, MT radials) and I can't believe they have gone bad AGAIN. The first shop I had it done at was probably not the best route to go, but as far as where I got it 'fixed', they DEFINITELY knew what they were doing. It has been a year AGAIN, almost to the date, and again about a dozen passes this year. I once again have metal flake in the gear lube and I'll bet a brand new Ben Franklin I know what it is.  Soooo... the question is this. I do not want this to happen again so what can be done to prevent it? Is there a way to 'beef' it up or install 'stronger' parts? I have no idea how to repair these and will have to take it to a different shop to get it fixed. I thank you for your input. Dave
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Re: second time for metal flakes in the gear lube... why?
[Re: J_BODY]
#439154
08/15/09 10:24 PM
08/15/09 10:24 PM
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Joined: Aug 2005
Posts: 989
WI, USA
67dodge67
OP
mopar addict
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OP
mopar addict
Joined: Aug 2005
Posts: 989
WI, USA
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Quote:
running the mopar friction modifier?
I did add a friction modifier, but not the mopar one. Does that make a difference? The name of it is Trans-X posi-trac limited slip gear oil additive. Sorry, but I'm new to this.
Thanks for your help. Dave
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Re: second time for metal flakes in the gear lube... why?
[Re: MR_P_BODY]
#439155
08/15/09 10:27 PM
08/15/09 10:27 PM
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Joined: Aug 2005
Posts: 989
WI, USA
67dodge67
OP
mopar addict
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OP
mopar addict
Joined: Aug 2005
Posts: 989
WI, USA
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Quote:
Why not put a spool in it
The car sees MAYBE a dozen trips to the strip in a year. It's basically a street car. From what I understand, a spool is not good for the street. Am I wrong?
Thanks for your reply. Dave
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Re: second time for metal flakes in the gear lube... why?
[Re: 67dodge67]
#439156
08/15/09 10:37 PM
08/15/09 10:37 PM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
Quote:
Why not put a spool in it
The car sees MAYBE a dozen trips to the strip in a year. It's basically a street car. From what I understand, a spool is not good for the street. Am I wrong?
Thanks for your reply. Dave
I drove one on the street for a FEW years... cant take
corners quick other than that it was fine
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Re: second time for metal flakes in the gear lube... why?
[Re: J_BODY]
#439158
08/16/09 12:13 AM
08/16/09 12:13 AM
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Joined: Aug 2005
Posts: 989
WI, USA
67dodge67
OP
mopar addict
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OP
mopar addict
Joined: Aug 2005
Posts: 989
WI, USA
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Quote:
Just wondered... Guess that's the only thing that came to mind as it sounds like you wiped out the clutches for the sure grip and not the pinion or side bearings. Did the rear ever feel "grabby" when making slow sharp turns? (parking lot manuevers)
It DEFINITELY does. When I make a sharp turn, like out of a gas station, I can tell it seems to 'grab' or 'bind up' and lose power. I also have heard a LOUD 'snap' when making a VERY sharp turn, but only after it has started up and I pull it out of my storage garage or the gas station which is just around the corner (2 minute drive). After it warms up, it goes away.
I have heard a VERY loud 'bang' which sounded as if the rear brakes were 'stuck' together and then seperated, as if they 'popped' open; as if they were rusted together due to sitting after a year or two.... or the emergency brake was stuck and it then popped free. That's the sound it makes....
Thanks.
Dave
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Re: second time for metal flakes in the gear lube... why?
[Re: CokeBottleKid]
#439162
08/16/09 10:17 AM
08/16/09 10:17 AM
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Joined: Jan 2003
Posts: 5,987
Anoka County, MN
Leigh
master
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master
Joined: Jan 2003
Posts: 5,987
Anoka County, MN
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Do you happen to know if the place reversed any of the plates? That was an old trick to really tighten up a Sure-Grip.
Last edited by Leigh; 08/16/09 10:18 AM.
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