Diesel Data: Automotive Repair

Front Suspension Coil Spring



Strut, Strut Component, and Spring Replacement

Tools Required
* J 45400 ( KM-329-A ) Strut Spring Compressor
* J-44626 ( SA9603E ) Oxygen Sensor 22 mm Socket

Disassembly Procedure

1. Remove the strut assembly. Refer to Strut Assembly Replacement (Strut Assembly Replacement).
2. Use paint in order to mark the position of the spring relative to the strut assembly-to-knuckle bracket.




3. Install the strut assembly to the J 45400 ( KM-329-A ) or equivalent. Ensure the hooks are seated on the spring properly.
4. Compress the spring with the J 45400 ( KM-329-A ) or equivalent.

Notice: Do not allow the absorber rod to rotate during disassembly/reassembly. Use hand tools to keep the absorber rod from rotating. If air tools are used, and the rod is allowed to rotate, damage to the absorber may occur.

5. Use a wrench in order to hold the threaded piston rod while removing the piston rod nut with the J-44626 ( SA9603E ) or equivalent.




6. Remove the following components from the strut:

* The strut mount
* The strut mount bearing
* The spring upper seat
* The strut cartridge upper cover
* The bumper stop
* The coil spring


Assembly Procedure




1. Install the spring to the J 45400 ( KM-329-A ) or equivalent. Ensure the hooks are seated on the spring properly.
2. Compress the spring using the J 45400 ( KM-329-A ) or equivalent.





Important: Locate the spring to the original position on the spring seat.


3. Align the match marks and install the spring to the strut.
4. Install the following components to the strut:

* The bumper stop
* The strut cartridge upper cover
* The spring upper seat
* The strut mount bearing
* The strut mount

Notice: Refer to Fastener Notice (Fastener Notice).

5. Use a wrench in order to hold the threaded piston rod while installing the piston rod nut with the J-44626 ( SA9603E ) or equivalent.

Tighten the piston rod nut to 60 N.m (44 lb ft).

6. Remove the strut assembly from the J 45400 ( KM-329-A ) or equivalent.
7. Install the strut assembly to the vehicle. Refer to Strut Assembly Replacement (Strut Assembly Replacement).