Shaking On Acceleration
#1
#2
#3
I had a friend help me look at the car today and after climbing around underneath it he said the u joints were bad, very bad actually. I've never replaced u joints before and after doing some research Im confused. Looking at JDHT there appears to be 2 different ones JLM11718 and JLM1388. Now even if only one were bad it would probably be better to replace them all at once right? Should I replace CBC8996(Jurid Coupling) while I'm there as well? I'm just not sure which parts I need or how to replace them.
#4
OK, first things first.
You have universal joints on the "prop shaft" and they will cause a vibration under acceleration. There are 2 and they are JLM11718.
There are also 4 universal joints on the "half shafts" which do wear, but the vibration you are describing would not be coming from them in my opinion. They are JLM1388.
I am a FIRM believer of "do it once, do it right", so I would replace the 2 propshaft joints, the centre bearing, and Jurid coupling. The vibration you are having may well be caused by the propshaft joints, BUT, they have possibly damaged the other 2 components by now, as you have been using the car with this issue for some time???????.
The Jurid is a simple bolts out, new joint in, bolts in.
The universal joints will require a press to do it properly, as will the centre bearing.
You have universal joints on the "prop shaft" and they will cause a vibration under acceleration. There are 2 and they are JLM11718.
There are also 4 universal joints on the "half shafts" which do wear, but the vibration you are describing would not be coming from them in my opinion. They are JLM1388.
I am a FIRM believer of "do it once, do it right", so I would replace the 2 propshaft joints, the centre bearing, and Jurid coupling. The vibration you are having may well be caused by the propshaft joints, BUT, they have possibly damaged the other 2 components by now, as you have been using the car with this issue for some time???????.
The Jurid is a simple bolts out, new joint in, bolts in.
The universal joints will require a press to do it properly, as will the centre bearing.
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jimforrest (uk)
XK8 / XKR ( X100 )
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02-28-2019 06:42 PM
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