Rear Lateral Link removal

Hi,

Here is what I have for the system. The attached pics correlate with the directions.

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1989 Buick Regal V6-173 2.8L
Tri-Link Suspension Assembly
Vehicle Steering and Suspension Suspension Service and Repair Procedures Rear Suspension Tri-Link Suspension Assembly
TRI-LINK SUSPENSION ASSEMBLY
Fig. 5 Exploded View Of Tri-link Suspension Assembly

Pic 1

Fig. 6 Exploded View Of Trailing Link

Pic 2

TRAILING LINK

1. Raise and support vehicle.
2. Disconnect anti-lock brake system electrical harness connector, if equipped.
3. Remove trailing link to knuckle attaching nut and bolt, then the trailing link to body attaching nut and bolt, Figs. 5 and 6.
4. Remove trailing link.
5. Reverse procedure to install, torquing trailing link to body nut and trailing link to knuckle nut to specifications.

FRONT LATERAL LINK

1. Raise and support vehicle, then remove tire and wheel assembly.
2. Remove rod to knuckle bolt, then the exhaust pipe heat shield.
3. Lower to fuel tank to gain access.
4. Remove lateral link to knuckle attaching bolt.
5. Remove lateral link to suspension crossmember attaching nut and bolt, then the lateral link.
6. Reverse procedure to install, Torquing lateral link to suspension crossmember nut to 140 lb ft and the lateral link to knuckle attaching bolt to 157 lb ft

REAR LATERAL LINK

1. Raise and support vehicle, then remove tire and wheel assembly.
2. Remove transverse spring as previously outlined.
3. Remove lower auxiliary spring bracket from rod.
4. Remove rear lateral link attaching nut from crossmember.
5. Push bolt forward enough to provide clearance for link removal, then remove rear lateral link.
6. Reverse procedure to install, Torquing lateral link to crossmember attaching nut to 157 lb ft and the rear lateral link to knuckle attaching bolt to 140 lb ft

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Here are the directions for removal of the rear traverse spring.

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1989 Buick Regal V6-173 2.8L
Transverse Spring Assembly
Vehicle Steering and Suspension Suspension Suspension Spring ( Coil / Leaf ) Service and Repair Procedures Rear Suspension Leaf Spring Transverse Spring Assembly
TRANSVERSE SPRING ASSEMBLY
Fig. 3 Removing Transverse Spring Assembly

Pic 3

Do not use corrosive cleaning agents, engine degreaser or solvents on or near the fiberglass leaf spring.
1. Raise and support vehicle.
2. Remove three jack pad attaching bolts and the pad.
3. Remove left and right spring retention plate attaching bolts.
4. Remove right side trailing link to knuckle attaching nut and bolt.
5. Disconnect anti-lock brake system electrical harness connector, if equipped.
6. Assemble rear spring leaf spring compressor tool No. J-35778 or equivalent to transverse spring.
7. Loosen tool handle to base of tool shank.
8. Hang center shank of tool at spring center. It is not necessary to separate tool body and shank. Attach from front side of vehicle only.
9. Attach tool body to spring. Always center spring on roller of tool.
10. Fully compress spring, then slide spring to left side. It may be necessary to pry the spring, using a screwdriver/pry bar, to the opposite side, using the wheel for leverage.
11. Relax the spring until removal clearance is achieved, then remove spring, Fig. 3.
12. Reverse procedure to install, noting the following:
a. Torque trailing link to knuckle attaching bolt to specifications.
B. Torque spring retention plate mounting bolts to specifications. Rear spring retention plates are designed with tabs on one end. Tabs must be aligned with support assembly.
C. Torque jack pad mounting bolts to specifications.

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Let me know if this helps and is what you needed. I realize you didn't ask for the front lateral or trailing link, but thought I would include it in the event you found another issue.

Take care,
Joe