Thursday, June 19, 2014

Changing the shocks and the shock mounts on your Jaguar XK8

Here is the procedure for replacing the shock mounts and the shocks if you want, on a Jaguar XK8.

What you'll need:
How to do it:
  • First remove the wheel and properly set up the car.
  • You have to unplug the wheel speed sensor connector, and cut the two cable ties securing it to the upper control arm. Push it to the side. Then you are going to have to undo the bolt and nut that hold the upper control arm in place. The bolt and the nut are both 15/16 in size.

  • Before removing the bolt completely, make sure you note how the washers are lined up, there are a bunch of washers in the bolt that line up with the body. These affect your alignment so be careful to put them back exactly as they come out.

  • Notice how I placed the washers so I know the way they go back. In this car I had 3 washers on one side and one on the other.

  • When you take the bolt out and place the control art aside, make sure you tie it with a wire or hanger like I did. This is so that the brake line doesn't get stressed.

  • Undo the three top nuts for the strut.

  • Undo the bottom nut and bolt, which are 18 mm and 19 mm in size. Then fish the strut out. You have to place it in the vice the way I did in the pic below. If you are not replacing the shock then you can't squeeze it too much. I have the Jaguar specific tool for compressing the springs. This are two compressing sticks. When you use them, you have to try and get 5 coils on each side. Then compress the sticks with a 19 mm evenly. When the spring is compressed, remove the top 17 mm  nut. Take the mount off, replace the shock now if you want, and put the new mount back.

  • Notice the order in which everything goes. First shock, then bump stop, then rubber cover, then spring, then strut mount. Tighten the 17 mm. Uncompress the spring evenly. You should have the renewed strut assembly. Just put it back in the car, catching the top nuts first, then the bottom nut and bolt and reverse the previous steps. 

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