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My luck is getting worse somehow

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Old Sep 7, 2005 | 06:14 PM
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From: I play with Sand!!
Default My luck is getting worse somehow

Looks like the Main input shaft bearing or TC is going fast. 4L60E. Century built.

I took a hard right turn to get out into traffic. It went fine but then made a pop and a feeling like beeing totally disengaged and I heard a Whine. At 1st I thought the Eaton POSI had finnally blow itself out (about to be replaced with a spool here soon), but when I gave it a little gas at the light the car moved so I thought it might be OK for now.

Now. When I gave it gas it rev's up to Red-line and won't shift. It also has a High pitched whine like that of a Turbo (bearings) and it will only shift if I let off the gas. The TC still locks up and I still need to drive it around and get some other symptoms, but I think the Trans Input Shaft bearing is shot.

About to check the fluid in a little bit to smell it and to see what else might be in the fluid. Seems Shot to me.
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Old Sep 7, 2005 | 06:18 PM
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Ok. Nothing in thefluid and it doesn't smell burnt. It still whines in Park but not as much as Driving. I think the trans is done for.

Looks like the Front pump can go out also.
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Old Sep 7, 2005 | 09:07 PM
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OK. Maybe not the Pump. Or the TC. I have no Reverse. I didn't notice it before beacuse I brought it straight home. Tried to back out of the driveway and it's no go. ****.
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Old Sep 8, 2005 | 12:14 AM
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From: Beaumont, TX
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Here's some possibilities


Vibration in Reverse and Whining Noise in Park

Oil Pump
- Chamber in pump body rotor pocket


First Gear Range Only - No Upshift

Control Valve Body
- The 1-2 Shift valve is sticking
- The spacer plate or gaskets are mispositioned or damaged

Case
- The case to valve body face is damaged or is not flat

Shift Solenoid Valves
- Stuck or damaged
- Faulty electrical connection

2-4 Servo Assembly
- The apply passage case is restricted or blocked
- Nicks or burrs on the servo pin or on the pin bore in the case
- Fourth servo piston is installed backwards

2-4 Band Assembly
- The 2-4 band is worn or damaged
- The band anchor pin is not engaged


No Reverse or Slips in Reverse

Input Housing Assembly
- 3-4 Apply ring stuck in applied position
- Forward clutch not releasing
- Turbine shaft seals missing, cut or damaged

Manual Valve Link
- Disconnected

Valve Body Assembly
- 2-3 Shift valve stuck
- Manual linkage not adjusted
- Spacer plate and gaskets incorrect, mispositioned or damaged
- Lo overrun valve stuck
- Orificed cup plug restricted, missing or damaged

Reverse Input Clutch Assembly
- Clutch plate worn
- Reverse input housing and drum assembly cracked at weld
- Clutch plate retaining ring out of groove
- Return spring assembly retaining ring out of groove
- Seals cut or damaged
- Restricted apply passage
- Porosity in piston
- Belleville plate installed incorrectly
- Excessive clutch plate travel
- Oversized housing

Lo and Reverse Clutch
- Clutch plates worn
- Porosity in piston
- Seals damaged
- Return spring assembly retaining ring mispositioned
- Restricted apply passage
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