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Chrysler Crossfire
Upgrading rear chassi


This is one information page of my collection of what I have repaired on my Crossfire.

Note:
You should not do any repair on your car if you don't have enough experience and knowledge! You use this information at your own risk! Don't blame me if something goes wrong.


Content:

If you have a Mercedes SLK R170 with a 320 engine it's almost exact the same.

Note:
You have to work with critical parts when doing work on suspension. Only do this if you have enough knowledge !

Chrysler Crossfire, rear bushings

1, New rear chassi parts:

Chrysler Crossfires seems to have a reputation of bad road handling. It most when the roads have deep groves it happens. One part of the problem is said to be too soft rubber bushings, at rear it's the lower arm's inner bushing. My plan is to replace it with some with harder material.

Rear bushings:

Chrysler Crossfire: New rear chassi parts

I found these bushing that replace the original, it has the part number: 111820A. There are red (B) and yellows (A) ones. The red ones about the same hardness as original, 80 ShA. The yellow ones are harder, 90 ShA. These bushings are placed at the rear lower control arm at the inner end. They are made of polyurethane.

You find the details here:


Chrysler Crossfire: New rear chassi parts

This bushing can be really hard to replace, I want to do it with the arm still in the car. I must find someone that has the correct tools to do it.


Rear springs:

Chrysler Crossfire: New rear chassi parts

I have also bought new rear springs, 17 years old as they are now I think it's a good idea to replace them with new ones. When replacing the bushings it's not very much more work to do this at the same time.


Chrysler Crossfire: New rear chassi parts

To remove the spring the shock absorber and the roller bar arm lower bolts must be disconnected. Then a spring compressor must be used too. Working with compressed springs can be very dangerous. I don't have the tools and will consult a workshop.


Rear pads:

Chrysler Crossfire: New rear chassi parts

On top of the spring there is a rubber pad, they come in different thickness. I think there is some problem with my pads. I have bought two 5 mm (one notch) pads and two 9 mm (two notches) pads. The 5 mm should be original. I must take it apart to check what's installed today because the ride height differ a couple of millimeters.


Chrysler Crossfire: New rear chassi parts

Up here is the pad installed, I can't see what type of pads that's installed, 5 or 9 mm or if they are damaged.

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To be continued

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