Most recent edit on 2006-11-16 17:04:00 by WebMaster
Additions:
Guide Rod, Lower Control Arm Bushing and Eccentric Pin Replacement
Deletions:
Guide Rod, lower control arm bushing and Eccentric Pin Replacement
Edited on 2006-11-16 17:03:27 by WebMaster
Additions:
Guide Rod, lower control arm bushing and Eccentric Pin Replacement
11/15/06
This is the perfect time to replace the lower control arm bushing and Eccentric Pin.
Loosen the front wheel bolts.
Raise and support the front end.
Remove the front tire.
Remove the spring, special spring compressor required.
Remove the lower shock absorber bolts.
Separate the lower ball joint from the lower control arm.
Mark the position, and remove the Eccentric Pin from the lower control arm.
Separate the lower control arm from the body.
Remove the lower spring seat plate from the lower control arm.
Remove the Guide rod to control arm mount bolt.
Remove the lower control arm from the car.
MARK the union threads of the guide rod mount, so you will know where to stop screwing on the new guide rod.
Loosen the clamp on #14 in the picture, and hold the guide rod mount with a wrench, while using a large pipe wrench to unscrew the old guide rod.
Lubricate the guide rod mount threads with grease, gently thread the new guide rod on by hand, as far as possible, then hold the guide rod mount with a wrench, while using a large pipe wrench to screw the new guide rod on, tighten the clamp on #14 in the picture.
Remove the Guide rod bushings from the lower control arm, and clean the mounting area.
Remove both of the inner control arm bushing caps.
Drive out the old inner control arm bushing.
Install the new inner control arm bushing.
Install the new inner control arm bushing caps, (a heavy thread or light fishing line works well to hold them in place for body installation).
Insert the guide rod into the lower control arm.
Use a floor jack to press the inner lower control arm into the body.
Use a large tapered punch to align the Eccentric Pin body holes with the lower control arm.
Install the new Eccentric Pin into the lower control arm, align it to the mark and tighten.
Install the Guide rod mount bushings.
Install the Guide rod to control arm mount bolt. (use LoctiteŽ thread adhesive)
Install the lower spring seat plate to the lower control arm. (use LoctiteŽ thread adhesive)
Install the spring, but do not release it yet.
Install the ball joint, and tighten. (use LoctiteŽ thread adhesive)
Install the lower shock absorber bolts. (use LoctiteŽ thread adhesive)
Release the spring compressor, and remove the tool.
Install front tire, and snug (best possible) wheel bolts.
Lower the car.
Torque all wheel bolts.
FYI:
Here are the related W126 procedure DIY links:
Suspension Bearing Bracket guide rod mount replacement on the 1985 300SD∞
DIY Bearing Bracket guide rod mount replacement for Mercedes Benz 300SD.∞
Discussion of this DIY can be found here.∞
Deletions:
Suspension Bearing Bracket guide rod mount replacement
4/27/04
USE AT YOUR OWN RISK.
Personal opinion; even I do not like doing guide rods, with a full auto shop and hoist.
*Bearing Bracket guide rod mount replacement for Mercedes Benz 300SD.*
1) Raise and support front end.
2) Remove front wheels.
3) Loosen the clamp on #14 in picture.
4) Remove the bracket that joins the Left and Right Bearing Brackets.
5) Remove the three bolts per side that hold the Bearing Bracket mounts to the body.
Note: this is where maximum difficulty is normal, due to the nut retaining tabs coming apart, please scroll down to Image-1 and Image-2.
Extreme precautions must be exercised if an oxygen acetylene torch is used.
6) Unscrew the guide rod mount from the guide rod.
7) Unscrew the four bolts from the Bearing Bracket backing plate.
8) Press the guide rod mount from the Bearing Bracket.
9) Clean the guide rod mount pocket of the Bearing Bracket, the old steel sleeve must be removed to a clean aluminum surface.
10) Grease the Bearing Bracket pocket, axle grease is ok.
11) Grease the guide rod mount tension sleeve, axle grease is ok.
12) Press the guide rod mount by the sleeve; into the Bearing Bracket, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad between the rear of the guide rod mount and the Bearing Bracket cover, finger tighten the four cover bolts.
14) Tighten the four bolts in the Bearing Bracket backing plate.
15) Screw the guide rod mount into the guide rod.
16) Install and tighten the bolts that hold the Bearing Bracket to the body.
17) "Loose" install all the bolts that hold the bracket joining the guide rod mounts.
18) Tighten all the bolts for the bracket joining the Left and Right Bearing Bracket.
19) Tighten the clamp on #14 in picture.
20) Install front wheels.
21) Remove front end supports and lower car.
22) Torque front wheel bolts.
If the Suspension Bearing Bracket is too corroded inside, don't repair or replace the guide rod mount, get a NEW Suspension Bearing Bracket !!!
Note: this part number is the same for all W126 chassis.
Call Phil∞ for this part, it is not online.
1-888-333-4642
Mon-Fri 9:00a-7:00p ET
(NOT for technical support)
Here are pictures of the old parts:
Image-1
Image-2
Image-3
Image-4
Image-5
Image-6
Image-7
Discussion of this DIY can be found here.∞
Edited on 2006-11-16 16:38:02 by WebMaster
Additions:
Deletions:
Edited on 2006-11-16 13:25:16 by WebMaster
Additions:
Suspension Bearing Bracket guide rod mount replacement
*Bearing Bracket guide rod mount replacement for Mercedes Benz 300SD.*
4) Remove the bracket that joins the Left and Right Bearing Brackets.
5) Remove the three bolts per side that hold the Bearing Bracket mounts to the body.
Note: this is where maximum difficulty is normal, due to the nut retaining tabs coming apart, please scroll down to Image-1 and Image-2.
Extreme precautions must be exercised if an oxygen acetylene torch is used.
6) Unscrew the guide rod mount from the guide rod.
7) Unscrew the four bolts from the Bearing Bracket backing plate.
8) Press the guide rod mount from the Bearing Bracket.
9) Clean the guide rod mount pocket of the Bearing Bracket, the old steel sleeve must be removed to a clean aluminum surface.
10) Grease the Bearing Bracket pocket, axle grease is ok.
11) Grease the guide rod mount tension sleeve, axle grease is ok.
12) Press the guide rod mount by the sleeve; into the Bearing Bracket, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad between the rear of the guide rod mount and the Bearing Bracket cover, finger tighten the four cover bolts.
14) Tighten the four bolts in the Bearing Bracket backing plate.
15) Screw the guide rod mount into the guide rod.
16) Install and tighten the bolts that hold the Bearing Bracket to the body.
18) Tighten all the bolts for the bracket joining the Left and Right Bearing Bracket.
If the Suspension Bearing Bracket is too corroded inside, don't repair or replace the guide rod mount, get a NEW Suspension Bearing Bracket !!!
Deletions:
Suspension Guide Rod Replacement
*Guide Rod replacement for Mercedes Benz 300SD.*
4) Remove the bracket that joins the guide rod mounts.
5) Remove the bolts that hold the guide rod mounts to the body.
6) Unscrew the guide rod from the mount pod.
7) Unscrew the four bolts from the mount pod backing plate.
8) Press the guide rod from the mount pod.
9) Clean the guide rod socket of the mount pod, the old steel sleeve must be removed to clean aluminum surface.
10) Grease the guide rod socket of the mount pod, axle grease is ok.
11) Grease the guide rod sleeve, axle grease is ok.
12) Press the guide rod by the sleeve; into the mount pod, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad and cover with four bolts.
14) Tighten the four bolts in the mount pod backing plate.
15) Screw the guide rod into the from the guide rod sleeve.
16) Install and tighten the bolts that hold the guide rod mount to the body.
18) Tighten all the bolts for the bracket joining the guide rod mounts.
If the Suspension Bearing Bracket is too corroded inside, don't repair/replace the guide rod, get NEW Suspension Bearing Bracket !!!
Edited on 2006-11-01 16:46:26 by WebMaster
Additions:
Suspension Guide Rod Replacement
on the 1985 300SD
by whunter
4/27/04
USE AT YOUR OWN RISK.
Personal opinion; even I do not like doing guide rods, with a full auto shop and hoist.
*Guide Rod replacement for Mercedes Benz 300SD.*
1) Raise and support front end.
2) Remove front wheels.
3) Loosen the clamp on #14 in picture.
4) Remove the bracket that joins the guide rod mounts.
5) Remove the bolts that hold the guide rod mounts to the body.
6) Unscrew the guide rod from the mount pod.
7) Unscrew the four bolts from the mount pod backing plate.
8) Press the guide rod from the mount pod.
9) Clean the guide rod socket of the mount pod, the old steel sleeve must be removed to clean aluminum surface.
10) Grease the guide rod socket of the mount pod, axle grease is ok.
11) Grease the guide rod sleeve, axle grease is ok.
12) Press the guide rod by the sleeve; into the mount pod, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad and cover with four bolts.
14) Tighten the four bolts in the mount pod backing plate.
15) Screw the guide rod into the from the guide rod sleeve.
16) Install and tighten the bolts that hold the guide rod mount to the body.
17) "Loose" install all the bolts that hold the bracket joining the guide rod mounts.
18) Tighten all the bolts for the bracket joining the guide rod mounts.
19) Tighten the clamp on #14 in picture.
20) Install front wheels.
21) Remove front end supports and lower car.
22) Torque front wheel bolts.
If the Suspension Bearing Bracket is too corroded inside, don't repair/replace the guide rod, get NEW Suspension Bearing Bracket !!!
Note: this part number is the same for all W126 chassis.
Call Phil∞ for this part, it is not online.
1-888-333-4642
Mon-Fri 9:00a-7:00p ET
(NOT for technical support)
Here are pictures of the old parts:
Image-1
Image-2
Image-3
Image-4
Image-5
Image-6
Image-7
Discussion of this DIY can be found here.∞
- whunter
Deletions:
Suspension Guide Rod Replacement
on the 1985 300SD
by whunter
4/27/04
USE AT YOUR OWN RISK.
Personal opinion; even I do not like doing guide rods, with a full auto shop and hoist.
*Guide Rod replacement for Mercedes Benz 300SD.*
1) Raise and support front end.
2) Remove front wheels.
3) Loosen the clamp on #14 in picture.
4) Remove the bracket that joins the guide rod mounts.
5) Remove the bolts that hold the guide rod mounts to the body.
6) Unscrew the guide rod from the mount pod.
7) Unscrew the four bolts from the mount pod backing plate.
8) Press the guide rod from the mount pod.
9) Clean the guide rod socket of the mount pod, the old steel sleeve must be removed to clean aluminum surface.
10) Grease the guide rod socket of the mount pod, axle grease is ok.
11) Grease the guide rod sleeve, axle grease is ok.
12) Press the guide rod by the sleeve; into the mount pod, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad and cover with four bolts.
14) Tighten the four bolts in the mount pod backing plate.
15) Screw the guide rod into the from the guide rod sleeve.
16) Install and tighten the bolts that hold the guide rod mount to the body.
17) "Loose" install all the bolts that hold the bracket joining the guide rod mounts.
18) Tighten all the bolts for the bracket joining the guide rod mounts.
19) Tighten the clamp on #14 in picture.
20) Install front wheels.
21) Remove front end supports and lower car.
22) Torque front wheel bolts.
If the Suspension Bearing Bracket is too corroded inside, don't repair/replace the guide rod, get NEW Suspension Bearing Bracket !!!
- whunter
Oldest known version of this page was edited on 2005-04-11 10:23:03 by WebMaster []
Page view:
Suspension Guide Rod Replacement
on the 1985 300SD
by whunter
4/27/04
USE AT YOUR OWN RISK.
Personal opinion; even I do not like doing guide rods, with a full auto shop and hoist.
*Guide Rod replacement for Mercedes Benz 300SD.*
1) Raise and support front end.
2) Remove front wheels.
3) Loosen the clamp on #14 in picture.
4) Remove the bracket that joins the guide rod mounts.
5) Remove the bolts that hold the guide rod mounts to the body.
6) Unscrew the guide rod from the mount pod.
7) Unscrew the four bolts from the mount pod backing plate.
8) Press the guide rod from the mount pod.
9) Clean the guide rod socket of the mount pod, the old steel sleeve must be removed to clean aluminum surface.
10) Grease the guide rod socket of the mount pod, axle grease is ok.
11) Grease the guide rod sleeve, axle grease is ok.
12) Press the guide rod by the sleeve; into the mount pod, stop when it is flush or roughly one mm above the surrounding surface.
13) Install the rubber impact buffer pad and cover with four bolts.
14) Tighten the four bolts in the mount pod backing plate.
15) Screw the guide rod into the from the guide rod sleeve.
16) Install and tighten the bolts that hold the guide rod mount to the body.
17) "Loose" install all the bolts that hold the bracket joining the guide rod mounts.
18) Tighten all the bolts for the bracket joining the guide rod mounts.
19) Tighten the clamp on #14 in picture.
20) Install front wheels.
21) Remove front end supports and lower car.
22) Torque front wheel bolts.
If the Suspension Bearing Bracket is too corroded inside, don't repair/replace the guide rod, get NEW Suspension Bearing Bracket !!!
- whunter
CategoryDiy
