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subynut posted a topic in Old Gen.: 80's GL/DL/XT/Loyales...The PandaWagon has developed this low frequency vibration below 15 MPH. It's most noticeable under acceleration, but if you push the clutch in and let it roll, you can still feel it. Kinda a thump thump thump kind of sound in the floorboards. Doesn't matter the gear. Once I'm above 15, it's smooth not one hint of vibration- even over 80. Last time I had it out, I went on about a 200 mile drive. It was fine till about half way through the drive and it showed up again and as I worked my way home, the shake was getting really bad. At one point, the shake was rattling something up front - a dull metallic sound. Again, only below 15 MPH. I've always had a ever slight vibration from the rear on take off for the last 10K miles. Especially when loaded. I figured it was the rear LSD. Well, it's gotten really bad in the last 3 or 4 weeks. All the axles have no bad boots and are quiet. I've felt the drive shaft - no play in the u-joints. I've been searching around looking for similar symptoms. So far, this is what I need to look at: Axles Drive Shaft Rear Diff Transmission? (btw it's a FT4WD 5 speed) Engine/Trans Mounts Rear Diff mounts? Wheel bearings have no play Trans is about a half quart down, could that cause it? I'll be topping that off shortly. I'm planning on changing the fluid in the rear diff, if that makes no difference, then I'll drop the driveshaft and check if there is a seized u-joint. The engine mounts are good, not sure on the trans mounts though. From reading some of the other threads around here, it could be a DOJ. I can try swapping sides to see if that makes any difference. But it's still there when power is not applied, so.....maybe not? anything else I should check? Thanks