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My 1998 Navigator seems to vibrate/sputter a little as the gears are shifting.

(1998 Lincoln Navigator)
in Lawrenceville, GA on May 10, 2013
This seems to occur when I am driving at speeds of 40-45 miles per hour. What could be the problem?
Displaying 2 answers & 3 comments
Popular Answer
of Greg's Orange Auto on May 10, 2013
scan codes and post so we can adv
on May 12, 2013
when is the last time it's had a simple trans service( not flush) , just drain & fill &filter if needed? With FACTORY fluid.
on May 13, 2013
Hmmnn... good question and never thought about that...I think it's been a long time since I have had the transmission fluid drained and the filter changed. May need to do that since I have 198,000 miles on it!
on May 13, 2013
Don't flush it! Just a drain & fill as I previously mentioned. Good luck.
on May 14, 2013
ok many thanks again for your help!
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