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SUBJECT: MODELS: Loss of Power Steering Assist – Replace Electric Power Steering Motor 2005-2010 Chevrolet Cobalt 2005 Pontiac Pursuit 2005-2006 Pontiac G4 2006 Pontiac G5 Pursuit 2007-2010 Pontiac G5 Equipped with Electric Power Steering 2005-2010 model year Chevrolet Cobalt vehicles; 2005 model year Pontiac Pursuit; 2005-2006 model year Pontiac G4; 2006 model year Pontiac G5 Pursuit; and 2007-2010 model year Pontiac G5 vehicles equipped with electric power steering. Some of these vehicles have a condition in which a sudden loss of power steering assist could occur at any time while driving the vehicle. If the power steering assist is lost, a chime will sound and a “Power Steering” message will be displayed in the Driver Information Center to inform the driver of the condition. Steering control will be maintained, as the vehicle defaults to a manual steering mode. If power steering assist is lost, it may require greater driver effort at low vehicle speeds, for example, below 15 mph (25 km/h). Unless a driver compensates for this additional effort, it may increase the risk of a crash. Typically, the next time the vehicle is started, the power steering assist will return and the “Power Steering” message will no longer be displayed. EPS Motor Replacement Procedure Note: The use of Loctite is no longer required. Loctite should not be used for any further applications. 1. Connect the Tech 2® to the vehicle and check for diagnostic trouble codes (DTCs). 2. Record any present DTCs on the repair order and during claim submission. 3. Clear any DTCs that are present. 4. Remove the power steering assist motor. Refer to Power Steering Assist Motor Replacement in SI. Note: For 2005 model year vehicles only: Do NOT install the o-ring between the motor assembly and the steering column assembly. The new service motor kit will include an o- ring, but DO NOT install the o-ring for 2005 model year vehicles only. 5. Install the new power steering assist motor. Refer to Power Steering Assist Motor Replacement in SI. 6. Perform Test Drive.

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noise or a slight vibration when operating the blower motor due to foreign objects or debris in the blower unit. Follow the repair procedure in this TSB to correct this condition.Repair Procedure 1. Remove the blower motor. Refer to the Technical Information System (TIS), applicable model year Yaris Repair Manual: 2007 or 2008 Yaris, Vehicle Interior – Heating/Air Conditioning – “Air Conditioning: Blower Motor: Removal”. 2. Inspect the blower motor for evidence of foreign objects or debris. • If foreign objects or debris are noticed in the blower motor, remove debris or foreign object, reinstall the blower motor, verify proper operation, and continue to step 3. • If NO foreign objects or debris is noticed in the blower motor, investigate the root cause of the blower motor noise and vibration, replace as necessary, and continue to step 3. 3. Remove the glove box. Refer to TIS, applicable model year Yaris Repair Manual: 2007 Yaris Hatchback, Vehicle Interior – Interior Panels/Trim – “Instrument Panel: Upper Instrument Panel (for Hatchback): Removal”. 2007 Yaris Sedan, Vehicle Interior – Interior Panels/Trim – “Instrument Panel: Upper Instrument Panel (for Sedan): Removal”.

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This vehicle was designed for starter mounting without shims. If single or double shims have been added to correct a noise or engagement problem, they should be reinstalled in their original positions to ensure proper pinion to flywheel assembly engagement. REMOVAL 1. 2. 3. 4. Disconnect battery ground cable, then raise and support vehicle. Disconnect exhaust crossover pipe at manifolds. Remove starter motor mounting bolts and lower starter motor assembly, Fig. 1. Disconnect electrical connectors from starter motor assembly, then remove starter motor assembly. INSTALLATION Before connecting electrical connectors, tighten inner nuts on the solenoid terminals. If the nuts are not tight, the solenoid cap may be damaged during installation of connectors. Torque inner nut of BAT terminal to 80 inch lbs. 1. Connect electrical connectors to starter motor assembly, then torque BAT terminal nut to 85 inch lbs. and S terminal nut to 25 inch lbs. 2. Install starter motor assembly and torque mounting bolts to 40 ft. lbs. 3. Measure pinion to flywheel clearance, Fig. 2, adding shims if necessary. 4. Connect exhaust crossover pipe to manifolds, then lower vehicle and connect

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DESCRIPTION: The Electronic Stability Control (ESC) of some 2006 Sonata vehicles equipped with 3.3 Liter engines may be programmed to be too sensitive, causing inadvertent brake application on banked curves. To correct this condition, the ESC ECU may be reprogrammed using the Hi-Scan Pro as described in this bulletin. VEHICLES AFFECTED: ^ Model: 2006 SONATA 3.3L vehicles with ESC ^ Affected vehicle production date range: ^ Produced from May 5, 2005 through June 10, 2005 ESC ECU SPECIFICATIONS: CAUTIONS BEFORE REPROGRAMMING: 1. Perform reprogramming with the ignition key in the “ON” position. 2. Be careful not to disconnect any cables connected to the vehicle or Hi-Scan Pro during reprogramming. WARNING : ^ When reprogramming the SONATA ESC ECU, the manual reprogramming mode [error mode] is not available. ^ If ESC ECU reprogramming is interrupted during the “ESC ECU software data download” process as a result of cable disconnection, power interruption or battery discharge, the ESC ECU must be replaced. 3. Do not start the engine during reprogramming. 4. Do not turn the ignition key OFF during reprogramming. 5. When the reprogramming is completed, wait for about 20 seconds and then start the engine to confirm proper operation of the vehicle. ESC ECU REPROGRAMMING: NOTE :Verify that the vehicle was manufactured within the affected production date range and the campaign is open per the DCS interactive screen. 1. Attach the Data Link Connector (DLC) cable to the Hi-Scan Pro main body and securely tighten the two bolts. 2. Remove the system software card from the Hi-Scan Pro and insert the reprogramming software card with the new ECU program into the Hi-Scan top slot.

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Some owners may comment on noise and/or vibration from the HVAC blower motor.Cause This noise/vibration may be due to the blower motor being out of balance, or contents (i.e. tissues, papers, etc.) in the instrument panel (I/P) lower compartment being drawn
into the blower motor assembly through the re-circulation door during MAX A/C mode. Correction Important: 1996 mid-year production fix will have the following I/P lower compartment access hole cover installed. Therefore, the installation of the cover will not be utilized in the following repair procedure