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READ ALL INSTRUCTIONS CAREFULLY AND THOROUGHLY PRIOR TO STARTING INSTALLATION. PRODUCTS THAT HAVE BEEN INSTALLED ARE NOT ELIGIBLE FOR
RETURN. USE THE PROPER JACKING LOCATIONS. DEATH OR SERIOUS INJURY CAN RESULT IF INSTRUCTIONS ARE NOT CORRECTLY FOLLOWED. A GOOD CHASSIS
MANUAL, AVAILABLE AT YOUR LOCAL PARTS STORE, MAY ALSO AID IN YOUR INSTALLATION.
• Floor Jack
• SAE Wrench Set
Permatex® Anti-Seize Lubricant should be used on coil-over threads to prevent galling. Failure to lubricate
the coil-over threads with Anti-Seize prior to making ride height adjustments will cause damage to your
shock absorber and will void any warranty. All ride height adjustments must be made with the vehicle
weight completely unloaded from the suspension. Please call QA1 Technical Support with any questions.
DISASSEMBLY INSTRUCTIONS
1. Measure the vehicle ride height from the ground to the center of the wheel wells and record these measurements.
2. Unbolt front upper shock mounts from inside the engine bay.
3. Raise and support the vehicle by the frame with jack stands on a stable surface and remove front wheels.
4. Remove the sway bar end links.
5. Unbolt lower shock mounting bolts and remove the shocks from the car.
INSTALLATION INSTRUCTIONS
QA1
P/N GS401, GR401, GD401, GS501, GR501, GD501
MS303, MS302, MS301, MR303, MR302, MR301, MD303, MD302, MD301
TOOLS AND SUPPLIES REQUIRED
• Jack Stands
• Ball Joint Separator
• SAE Socket Set
• Coil Spring Compressor
DO NOT VOID YOUR WARRANTY!
Pro Coil Coil-Over Sy stems
• Spanner Wrench (QA1 P/N T114W or T115W)
• Permatex® Anti-Seize Lubricant
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Summary of Contents for QA1 GS501
- Page 1 Anti-Seize prior to making ride height adjustments will cause damage to your shock absorber and will void any warranty. All ride height adjustments must be made with the vehicle weight completely unloaded from the suspension. Please call QA1 Technical Support with any questions. DISASSEMBLY INSTRUCTIONS 1.
- Page 2 NO FURTHER. Now is a good time to lubricate the threads of the shock with Permatex® Anti-Seize lubricant. 2. QA1 highly recommends using the QA1 thrust bearing kit (P/N 7888- 109) for ease of adjustment. If the thrust bearing kit is used, coat both sides of the washers with Permatex®...
- Page 3 18 valving settings on two knobs that independently adjust compression and rebound (double adjustable). QA1 shocks have 18 damping settings per knob. There are 6 clicks per revolution of each knob, and each knob has 3 complete revolutions. The knob set fully counter clockwise is the softest setting - start adjustments from that point.