Vehicle pulses when doing between 25 and 45. RPM's jump up and down during the pulsing. on Saturn Vue

Average mileage: 127,147 (50,000–187,000)
4 model years affected: 2004, 2005, 2006, 2007
19 people reported this problem
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problem details
2004 Saturn Vue 90,000 mi,
When driving steady between 20-45mph the rpm bounce. Also a terrible clunking noise from front end. I've replaced several parts according to 'mechanics' problems still there
2005 Saturn Vue 175,000 mi,
transmission or engine pulses and jumps mpgs between the 25-45 as if racing when i shift gears and in gear
My 2004, 3.5 Liter, V6 does the same thing. (Forty-one years ago I had a 1974 AMC Gremlin that did something similar.) In my Vue, it seems to happen when traffic is moving along at one of those speeds in the range where the transmission normally shifts to the next gear, but the surrounding traffic isn't accelerating, so the car pulses back and forth between the two gears. My husband is retired and I'm unemployed, which makes it impossible for us to get it diagnosed or repaired. GM needs to make an official recall.
My vehicle makes a funny noise between 35 to 45 Mph. It is like driving over a grid. I took it to a local Chevrolet dealer because it was a recall on this issue. They were not able to fix the problem. The said the problem is the drive shat. The vehicle has a lot highway miles but it is in a perfect condition.
My torque converter on the transmission was replaced by GM. If you're having this problem, get it to a dealer for repair! I spent months with independent repair shops trying to figure out the problem when all along GM was aware of the problem and just not announcing it. I finally got a card in the mail from GM stating they would take care of the problem. Once the converter was replaced, I had no more problems. Now have over 90,000 miles.
2006 Saturn Vue 69,990 mi,
Slow to shift out of gear, terrible shake/shimmy between 40 & 55 MPH. Still intermittent though. In process of having it diagnosed.
2005 Saturn Vue 65,000 mi,
SHAKES AND FEELS LIKE LIKE IT WONT GO LOOSES POWER IT SEEMS
When I'm going about 35 to 45 mph my Saturn Vue feels like it is surging and trying to go I between gears and the rpm's are going between 1500 and 2500 rpm's does anybody have any suggestions on how to fix the problem thanks Jay Gibson
2005 Saturn Vue 181,000 mi,
Same issue, pulses, or almost stuck between gears when i am driving steady between 40-55 mph. My RPMs bounce when this happens between 1000 and 1500. Accelerating or decelerating seems to make it quit until i hit that steady drive again.
2006 Saturn Vue 160,000 mi,
When I go to turn my car will jump before it takes off again..not all the time
2007 Saturn Vue 150,000 mi,
Pulsating up and down at 25 to 35 miles an hour
2006 Saturn Vue 140,000 mi,
My Saturn pulses while doing between 20-45 mph and the RPM's jump when doing this. What is the problem?
RPMs jump up and down when between 1000 and 1500 RPM and under load