Re: 904 clutches and frictions
[Re: hysteric]
#2573706
11/04/18 01:10 AM
11/04/18 01:10 AM
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Joined: Mar 2011
Posts: 3,081 Michigan
A727Tflite
master
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master
Joined: Mar 2011
Posts: 3,081
Michigan
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Been slipping. The gritty frictions means they have been over heated.
I replied to your PM with other possibilities.
Last edited by Transman; 11/04/18 04:53 AM.
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Re: 904 clutches and frictions
[Re: hysteric]
#2574065
11/04/18 08:36 PM
11/04/18 08:36 PM
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Joined: Apr 2008
Posts: 117 Aus
hysteric
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Re: 904 clutches and frictions
[Re: hysteric]
#2574135
11/04/18 11:09 PM
11/04/18 11:09 PM
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Joined: Dec 2005
Posts: 11,602 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,602
Fulton County, PA
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Which clutch pack was it? Are those the frictions that came out of the trans? I assume the frictions on the right came out of the same drum? Everyone's assuming a high gear failure.
If the results don't match the theory, change the theory.
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Re: 904 clutches and frictions
[Re: hysteric]
#2574182
11/05/18 12:20 AM
11/05/18 12:20 AM
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Joined: Dec 2005
Posts: 11,602 Fulton County, PA
CMcAllister
Mr. Helpful
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Mr. Helpful
Joined: Dec 2005
Posts: 11,602
Fulton County, PA
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Forward clutch plates are .063. High plates are .087, and they are interchangeable.. Most of the time forward plates are used in both drums which allows you to use 5 in the high drum with a different snap ring, thin steels and/or by machining the pressure plate. Factory forward plates were usually smooth with a hi friction material since it just needed to hold. Measure them. Plates on the right look like high gear plates out of rebuild kit. With a performance/race unit, we just use the good plates in both drums.
I would have thought the corresponding frictions would look worse after seeing the steels.
If the results don't match the theory, change the theory.
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Re: 904 clutches and frictions
[Re: A727Tflite]
#2574214
11/05/18 01:12 AM
11/05/18 01:12 AM
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Joined: Apr 2008
Posts: 117 Aus
hysteric
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“Most” of the time the rear clutch pack has smooth frictions while the front clutch pack has waffle or grooved frictions.
Which frictions came out of your front drum and which out of the rear drum? I think the burnt ones came out of the direct drum. But not 100% certain as i didn't take any pics but only from memory.
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Re: 904 clutches and frictions
[Re: dvw]
#2574447
11/05/18 03:38 PM
11/05/18 03:38 PM
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Joined: Jan 2003
Posts: 25,849 Rio Linda, CA
John_Kunkel
Too Many Posts
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Too Many Posts
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Posts: 25,849
Rio Linda, CA
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So if I have this correct it is the the direct clutch, not the high/reverse clutch that is burnt. "Direct" and "High/Reverse" are same thing, the front clutch; this is what happens when people use non-Mopar terminology. The factory simply calls the clutches front and rear but when people use the GM/Ford terms "forward", "direct", high/reverse" it causes confusion. Stepping down off soapbox.
The INTERNET, the MISinformation superhighway
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