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Service bulletin 1308

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10025261
Published by NHTSA2008-07-23
Manufacturer's number1308
Manufacturer's date2008-12-19
ReplacesTI-13-08
NHTSA componentSTEERING:HYDRAULIC POWER ASSIST SYSTEM

NHTSA's summary

SERVOTRONIC CONTROL UNIT: STEERING IS HARD AND STIFF AFTER STARTING THE ENGINE. *PE UPDATED 5/27/09. 8PE

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Steering, Power steering

Vehicles listed
PORSCHE CAYENNE2006, 2007, 2008
PORSCHE CAYENNE GTS2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE S2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)
PORSCHE CAYENNE TURBO2006, 2007, 2008 (the catalog's model; the bulletin names a series or trim of it)

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
10082008-08-29. Service bulletin. CHECKING POWER STEERING PUMP AND REPLACING IT IF NECESSARY ON CERTAIN MODEL YEAR CAYENNE V6 VEHICLES (WORKSHOP CAMPAIGN). THERE IS THE POSSIBILITY THE VEHICLES MAY HAVE A DEFECTIVE POWER STEERING HYDRAULIC PUMP. *PE