Attention: TDR Forum Junkies Today while driving I noticed a vibration on the highway when I hit about 70mph, but it would take time to build up to be noticeable. Almost like driving over a very slight rumble strip. I'd slow down and it would go away.
Also found that the transmission would shudder a lil when coming to stop.
Since the only change between today and yesterday was the lift blocks I put on the rear, I figured that had to be the culprit and likely my pinion angle was out of wack.
BUT, before I made any hasty moves, I sat down and drew out my problem and though about it.
The blocks I purchased, had two different lengths on each end. The vendor instructed me to put the tall side forward. Ok, I did. But now that I looked closely, it would point the differential downwards, rather than upwards.
I'm thinking this guys a moron, so I call the place today and get a different person to talk to. He tells me that the blocks are right, and my problem is that I need to shim the carrier bearing support. Ok.
I think about it some more. It still doesn't make sense.
I call them back again and get a different guy. I go through the scenario for him making it VERY clear to him that our leaf springs are on TOP of the axle housing. He says, 'oh, the you need to spin the block around so the tall section is in the rear'. FINALLY, that makes sense. Then he puts me on hold and says he wants to check with a more senior guy.
He comes back and says, 'nope, i was wrong, leave the blocks as is and you need to shim the carrier bearing support'. ARGGGHHH!!!!!
I went home and said screw it. Pulled the blocks out anyway, flipped them around with the tall section in the rear--and voila, the pinion angle is now nice and straight.
I take it for a test drive--no vibration, no shudder.
Moral of this story--TRUCK SUSPENSION (aka tsliftkitstore.com) is run by a bunch of MORONS and I will be calling them tommorow to tell them that.
Also found that the transmission would shudder a lil when coming to stop.
Since the only change between today and yesterday was the lift blocks I put on the rear, I figured that had to be the culprit and likely my pinion angle was out of wack.
BUT, before I made any hasty moves, I sat down and drew out my problem and though about it.
The blocks I purchased, had two different lengths on each end. The vendor instructed me to put the tall side forward. Ok, I did. But now that I looked closely, it would point the differential downwards, rather than upwards.
I'm thinking this guys a moron, so I call the place today and get a different person to talk to. He tells me that the blocks are right, and my problem is that I need to shim the carrier bearing support. Ok.
I think about it some more. It still doesn't make sense.
I call them back again and get a different guy. I go through the scenario for him making it VERY clear to him that our leaf springs are on TOP of the axle housing. He says, 'oh, the you need to spin the block around so the tall section is in the rear'. FINALLY, that makes sense. Then he puts me on hold and says he wants to check with a more senior guy.
He comes back and says, 'nope, i was wrong, leave the blocks as is and you need to shim the carrier bearing support'. ARGGGHHH!!!!!
I went home and said screw it. Pulled the blocks out anyway, flipped them around with the tall section in the rear--and voila, the pinion angle is now nice and straight.
I take it for a test drive--no vibration, no shudder.
Moral of this story--TRUCK SUSPENSION (aka tsliftkitstore.com) is run by a bunch of MORONS and I will be calling them tommorow to tell them that.
Goes to show you that some people are immune to common sense. 
I just had to replace a broken one. 
