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| 904 sticking in 2nd.... https://www.slantsix.org/forum/viewtopic.php?t=37067 |
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| Author: | Krooser [ Fri Sep 11, 2009 10:37 am ] |
| Post subject: | 904 sticking in 2nd.... |
My new daily driver, 1984 d100 sl6/A904, seems to be sticking in a higher gear when it should be downshifting when approaching a stop or slow turn. I added a can of Seafoam trans cleaner this morning... still sticks. Perhaps it needs a little more time to work. The pan has recently been down... the PO told me he thought it was shifting into reverse but that's not the case. When I manually downshift the trans coming to a stop everything is A-OK. Any trans experts here to chime in? I do have a spare trans of unknown condition. |
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| Author: | 440_Magnum [ Fri Sep 11, 2009 11:48 am ] |
| Post subject: | |
Sticking governor or badly mis-adjusted throttle position linkage, sticking valve in the valve body. What happens after you (manually) put it in first then go back to "D" and accelerate from a stop? Are the upshifts normal? Is the 1-2 upshift too early or does it even start from a dead stop in 2nd gear? Try a fluid and filter change, band adjustment, and adjust the throttle position/kickdown linkage and see if things improve. |
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| Author: | Krooser [ Fri Sep 11, 2009 10:00 pm ] |
| Post subject: | |
Things are improving... I've driven it about 90 miles today and the downshifts only shudder about 1/3 of the time. I think the Seafoam is beginning to work. The upshifts are fine... it shudders when coming to a stop when the trans should be downshifting into first. The torque convertor lock-up is also working fine. If I downshift manually when coming to a stop/slow turn everthing is OK. I guess I should give it a little more time for the trans cleaner to work before I delve into it. Saturday I'll put 300 miles on it on a SL6 recovery mission... I can't turn down a free, running 170/904. |
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| Author: | Krooser [ Sat Sep 12, 2009 7:08 pm ] |
| Post subject: | |
Put 334 miles on it today... still acting up but it seems less frequent. I'm finally working this week so I can't work on it until the weekend. I'll try adjusting the linkage and do a filter change.. we'll see what happens. |
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