Suspension - Front End Cracking/Rattling Noises

911 (997)
7/05 ENU 4075

Noises From Around The Front Spring Struts While Driving

Information
This bulletin replaces bulletin Group 4, #7/0 5, dated September 13, 2005.

Vehicle Type:
911 Carrera (997)/911 Carrera S (997)

Model Year:
2005

Concerns:
Front spring struts

Information:
Cracking, scraping and rattling noises from around the front spring struts while driving on uneven road surfaces.

Action Required:
In the event of a complaint, replace the coil springs in the front spring struts. This affects model year 2005 vehicles as of the vehicle identification numbers specified below.

Date of Introduction:
1 June 2005, as of Vehicle Ident. Nos.

USA
WP0AA299X5S717659 911 Carrera
WP0AB29905S742518 911 Carrera S
WP0CA29905S755877 911 Carrera Cabriolet
WP0CB29935S765879 911 Carrera S Cabriolet





Parts Info:

Work Procedure:
Replace coil springs on the front spring struts.

Information:
If the coil springs --> Figure 1 -Item A- are replaced, the support ring --> Figure 1 -Item B-, spring plate (compensating plate) --> Figure 1 -Item C- and the lock nuts --> Figure 1 -Item D- must also be replaced.





Information:
If assembly work was performed or parts replaced that affect the vehicle height, a complete wheel alignment is necessary.





Working Time

References:
--> Workshop Manual '401000 Lifting the vehicle'
--> Workshop Manual '408519 Removing and installing front spring strut'
--> Workshop Manual '408537 Disassembling and assembling front spring strut - with and without PASM'
--> Workshop Manual '449503 Performing front and rear suspension alignment'
--> Workshop Manual '449515 Adjusting vehicle at front and rear'





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