Disclaimer Infiniti G35x Sedan AWD V6-3.5L (VQ35DE) Technical Service Bulletin # 08-013 Date: 080310
Suspension - Noise From Front Compression Rod
Classification: FA08-001
Reference: ITB08-013
Date: March 10, 2008
NOISE FROM FRONT COMPRESSION ROD
APPLIED VEHICLES:
2004 - 2006 G35 Coupe(CV35)
2004 - 2006 G35 Sedan (V35)
IF YOU CONFIRM
There is a noise coming from the front compression rod.
And
The bushing is damaged.
ACTIONS
Replace only the bushing not the compression rod assy. for this issue.
Refer to the Service Procedure in this bulletin for details.
IMPORTANT:
The purpose of "ACTIONS" (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire
Service Procedure as it contains information that is essential to successfully completing this repair.
PARTS INFORMATION
CLAIMS INFORMATION
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Submit a Primary Failed Part (PP) line claim using the claims coding table.
Disclaimer
Service Procedure
SERVICE PROCEDURE
REQUIRED TOOLS
REMOVAL OF BUSHING
1. Remove the compression rod with ball joint from the vehicle. Refer to section FSU of the Electronic Service Manual (ESM) for removal and
installation procedure.
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^ Check the taper part of the ball joint. If the taper part is damaged or scratched the compression rod assy. will have to be replaced.
2. The rubber tab on the center of the bushing the center of bushing and the center of ball joint should be aligned straight. Mark the original
bushing position onto compression rod also mark the opposite side.
3. Place the compression rod onto the hydraulic press so that it will come out on the opposite end of the rod.
4. Set Compression rod and tool for catching the bushing.
5. Set tool for pressing out bushing.
6. Make sure the bushing tools and hydraulic press are vertically aligned.
7. Press bushing out slowly. Pay attention that each tool and the bushing stay aligned vertically while pressing. Bushing should move with the
force shown in the chart above.
WARNING:
^ If more force appears to be needed tool may be misaligned and pressing on compression rod. Back press off and realign tools.
^ If the bushing cannot be moved by the Maximum Force listed below stop repair procedure and replace compression rod assy.
INSTALLATION OF BUSHING
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1. Clean the interior part of the compression rod where the bushing was installed of any debris with an air hose and clean towel.
2. Only for 4WD vehicles if rust is present replace the compression rod assy.
NOTE:
4WD compression rod is made of iron and tends to rust easily.
3. Put the new bushing into the compression rod while matching the projection of bushing with mark
^ Do not apply any grease or lubricant.
^ Confirm compression rod direction.
^ Ball joint direction should be pointed upward.
4. Make sure the tools new bushing and hydraulic press are vertically aligned.
NOTE:
^ Be sure to use the correct bushing:
^ 2WD (alloy rod): 54570-AC70A
^ AWD (iron rod): 54570-AC71A
5. Press bushing in slowly. Pay attention that each tool and the bushing stay aligned vertically while pressing. Bushing should move with the
force shown in the chart above.
WARNING:
^ If more force appears to be needed bushing may be misaligned in compression rod. Back press off and realign as needed.
^ If the bushing cannot be pressed in by the Maximum Force to stop listed below stop repair procedure and replace compression rod
assy.
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6. Confirm the surface between the collar and rod on both sides is flush.
7. Reset the tools compression rod and press to try to press the new bushing out. Make sure the bushing tools and hydraulic press are vertically
aligned.
8. Apply pressure slowly. Pay attention that each tool and the bushing stay aligned vertically while pressing. Bushing should NOT move with the
force shown in the chart above.
NOTE:
Do NOT exceed these pressures.
9. Press the compression rod bushing up to a maximum of 10 kN (1.12 tons force).
^ Confirm the bushing does not move.
^ If the bushing moves compression rod assy. has to be replaced.
10. Re-confirm the surface between the collar and rod for both sides is flat.
11. Align the cotter pin hole to the bushing center.
12. Mark the bushing and compression rod as shown in Figure 22.
^ It is recommended to use a yellow or white oil base pen.
13. Re-assemble the rod to the vehicle according to the ESM.
