It is the bushing you can not see and it is very hard to inspect. There are two ways you can replace them. Take the control arms off the car and take to a shop with a hydraulic press tool, or use the tool Kent has developed to do this with the control arm still on the car. No instructions are included, but the can be purchased separately below: These instructions are included free with the purchase of the special press tool.
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Please note: The video DOES NOT cover all the procedures to drop the control arm. The video starts with the control arm loose from the knuckle and only demonstrates how to remove the old bushing from the control arm and install the new one. The rest is just "nuts and bolts."
These were used on most models from the mid-1980s to the mid-2000s. Check the chassis and years listed below carefully.
- W201 all models 1984 to 1993
- W124 all models 1986 to 1995
- R129 all models 1990 to 2002
- W202 all models 1994 to 2002
- W140 All models 1992 to 1999
- W203 all models 2003 to 2006
- W210 all models 1996 to 2002
- W208 all models 1998 to 2002
- W211 all models 2003 to 2006
Related Products:
1986 to 2003 Control Arm to Knuckle Bushing Installation Tool
You will need to loosen the bottom of the rear shock, disconnect the control arm from the outer knuckle, loosen the inside arm bolts, and drop the end of the control arm down. Kent designed this tool to make it easy for the DIY mechanic to do this job without having to take it into the shop.
1986 to 2006 Rear Control Arm Outer Bushing Replacement Instructions - On Demand Video
In this 20-minute instructional video, Kent will show you the steps on how you can replace the "hidden bushing" in the rear control arm by yourself without having to take the control arm off the car.