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Car Forum / Volvo Cars / December 20051993 240 Wagon Shutter Problem
I have a shutter symptom went moving from a dead stop through 1st gear. The shutter seems to disappear once we get into 2nd gear and I can't say that I notice it in third or overdrive. I have had the center bearing replaced and am wondering if the drive shaft could be out a quarter, half or three quarters of a turn? Everything else seems fine, any ideas? Sorry folks lets try this again Shutter = Shudder (odd vibration) > Sorry folks lets try this again Shutter = Shudder (odd vibration) I've seen this caused by bad U-joints, that's the first thing I'd check. U-Joints seem ok but I will check again just to be sure. Is it critical that one marks drive shaft when replacing center bearing? > U-Joints seem ok but I will check again just to be sure. Is it critical > that one marks drive shaft when replacing center bearing? Not to that extent. I echo the u-joint concern - if one has a spot where it binds, it will behave like that. Mis-indexing the driveshaft causes a more constant, subtle vibration at higher speeds rather than at lower speeds. Mike > U-Joints seem ok but I will check again just to be sure. Is it critical > that one marks drive shaft when replacing center bearing? If you inspect the drive shaft closely on either side of the joint at the center support, you will see a small, faintly stamped set of arrows pointing at each other. This was the orientation of the shafts when they were balanced as a unit at the factory. You likely will have to do a lot of cleaning to find the marks. The longitudinal length of each arrow is about 1/2" with often just a single line for the point at a 30* angle. The drive shaft alignment should be: )=====-(|======|, where )and( represents the orientation of the front joint and the forward joint on the front shaft and | represents the opposite joint sections rotated in the same plane by 90*. Bob  SignatureThe goal when driving is to miss the maximum number of objects. Thanks Bob, will start cleaning first chance I get. |
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