Date: Tue, 01 Nov 2005 13:25:16 -0500 From: Malt_Hound <""Malt_Hound\"nospamm-me not*yahoo.com"> Subject: Rough Shifting Automatic Trans '98 NG900S
I have a 98 900S coupe that has an automatic transmission. I purchased the car used this past summer as a car for my daughter to drive back and forth to school in. She has a 45 minute urban commute each day from where she lives to her classes. I got the car with just a little over 90k on it and it is in overall outstanding condition. I went through it entirely upon receipt and performed all the regular major service items (since I had no idea when they had last been done) including draining and refilling the transmission. The condition of the fluid was what would be expected if it had not been done in a while, but it did not have any serious metal filings or chunks in it. The drain and fill of the ATF was in an attempt to smooth the shifting out a bit. She racked up 5k miles on it so I already did another oil and filter change and went ahead and changed the ATF again too. Still no big improvement. From the time that I first drove the car I noticed that the transmission has a habit of shifting just a bit too hard into the next higher gear. It isn't horrible just something that concerns me a little. It does not always shift the same though. Sometimes it shifts just as you would expect and other times it's too hard. If I run it in "Sport" mode it seems to shift hard more often. I'm just wondering if anyone has any similar experiences with the NG900 automatic transmission and what the outcome was. I'm also wondering if there are any decent additives that can be used in that transmission to smooth out the shifts. I've looked through trhe WIS and do not see anything as far as adjustments of Service Information Bulletins related to this unless I'm just missing it... TIA, -- -Fred W
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