Chevrolet Sonic 2012 Body Repair Manual page 720

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Front Suspension
Strut and Shock Absorber Inspection (Strut)
Note: The strut assembly DOES NOT have to be removed from the vehicle to perform the following inspection procedure.
Note: A light film of oil on the top portion of the strut is normal. DO NOT replace the strut for this condition.
Condition 1
Oil or fluid residue only on the bottom of the strut tube or on other strut components and not originating from the shaft seal, is not
a strut related problem. DO NOT replace the strut, look for other external leaks.
Condition 2
Light film/residue on the strut tube, but not on the spring seat and originating from the shaft seal, is a NORMAL condition. DO NOT
replace the strut.
Condition 3
Oil drip or trail down the strut tube and originating from the shaft seal, is an ABNORMAL condition. Replace the strut.
Condition 4
Extreme wet film of oil covering the strut tube and pooling in the spring seat and originating from the shaft seal, is an ABNORMAL
condition. Replace the strut.
Inspection
1. Verify the customer's concern is present. If the concern is present, continue to the next step. If the concern is not present,
then the vehicle is operating normally.
Note: The strut assembly DOES NOT have to be removed from the vehicle to perform the following inspection procedure.
2. Raise and support the vehicle. Refer to
3. Visually inspect each of the shock absorbers or struts for external fluid leaks. Refer to the following conditions 1, 2 , 3 , and 4
for visual inspection.
• If conditions 1 or 2 are found, continue to step 4.
• If conditions 3 or 4 are found, replace strut. Refer to Strut Replacement.
4. If equipped with electronic suspension control system, ensure that the system is working properly. Refer to Diagnostic
Starting Point-Electronic Suspension Control.
5. Use your hands in order to lift up and push down on each corner of the vehicle 3 times. Remove your hands from the vehicle.
If the corner motion exceeds 2 cycles, replace the strut. If the strut does not exceed 2 cycles, NO repair is necessary.
SUSPENSION
Lifting and Jacking the Vehicle
.
© 2011 General Motors. All rights reserved.
CHEVROLET SONIC 2012 BODY REPAIR MANUAL
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