1998 GM Buick Century Limited Transmission 4T60E Shudder at 40-50 and 60-75 mph

1998 GM Buick Century Limited Transmission 4T60E Shudder at 40-50 and 60-75 mph

Problem: The 1998 Buick Century has 85000 miles on the car at 45 just cruising and about 65 miles an hour on the freeway the car shudders (feels like it is h…

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Eric Behrman says:

I had it fixed, a transmission shop found 3 cut wires near the oil pan. One
wire went to my oil level sensor and I believe the two other wires went to
my crank sensor. Since the repair and all was good. The car developed a
torque converter leak at the main seal and the original shop that did all
my work replaced the torque converter and seal and I have the same damn
problem again. I am so frustrated with this. I am taking it back to the
trans shop again this Wednesday 12/5/12.

Erik Vargas says:

Same I have a 01 century and it does it one in a while . Plz update if it
worked

Wenjie Gai says:

Have you fixed the problem? I think I may have the same problem with my
2001 Buick century custom. The car seems to shake when shift up at the 4th
and 5th gear and some around 65miles, especially when the rpm is low(hear),
if I give more gas, which means I accelerate at higher rpm, theres no
problem… Good luck!

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