Air Conditioning May Be Inoperative or May Operate Intermittently, Engine Hesitation/Surge – 2000-2002 Chevrolet Cavalier & Pontiac Sunfire

#02-01-38-003: AIR CONDITIONING MAY BE INOPERATIVE OR MAY OPERATE INTERMITTENTLY, ENGINE HESITATION/SURGE DTCP0530 (LENGTHEN PRESSURE SENSOR WIRING HARNESS) (SEP 10, 2002)


Subject: Air Conditioning May Be Inoperative or May Operate Intermittently, Engine Hesitation/Surge (Lengthen Pressure Sensor Wiring Harness)
Models: 2000–2002 Chevrolet Cavalier
2000–2002 Pontiac Sunfire
with 2.2L Engine (VIN 4 — RPO LN2)

Condition

Some customers may comment on an inoperative or an intermittent A/C (Air Conditioning) system.

They may also comment on an engine hesitation, misfire or surge.

The technician may find DTC (Diagnostic Trouble Code) P0530 stored as a current or history code.

(more…)

Intermittent Misfire During Deceleration or Steady State Highway Driving After Cold Start with DTCs P0300, P0700, P1781 and/or U0401 Set – 2004-2007 Chevrolet Aveo & 2005-2007 Pontiac Wave (Canada Only)

#05-06-01-030D: 1.6L L91 INTERMITTENT MISFIRE DURING DECELERATION OR STEADY STATE HIGHWAY DRIVING AFTER COLD START WITH DTCS P0300, P0700, P1781 AND/OR U0401 SET (REPLACE VALVES AND VALVE STEM SEALS) (SEP 12, 2007)


Subject: 1.6L L91 Intermittent Misfire During Deceleration or Steady State Highway Driving After Cold Start with DTCs P0300, P0700, P1781 and/or U0401 Set (Replace Valves and Valve Stem Seals)
Models: 2004-2007 Chevrolet Aveo
2005-2007 Pontiac Wave (Canada Only)
with Eco-Tec II 1.6L Four Cylinder Engine (VIN 6 – RPO L91)
Built Prior to VIN Breakpoint 7B797231

This bulletin is being revised to add a VIN Breakpoint to the Models and update the Warranty Information. Please discard Corporate Bulletin Number 05-06-01-030C (Section 06 – Engine).


Condition

Some customers may comment on an engine misfire on rare occasions.

Typically, misfires related to this valve sealing concern will be very intermittent.

The intermittent misfires may or may not be felt by the driver and they will normally occur during engine warm up, deceleration, highway driving, wide open throttle acceleration, and/or uphill driving.

Additionally, DTCs P0300, P0700, and/or P1781 (2004 models)/U0401 (2005 models) may be set. If a brief engine misfire occurs, it is possible that a P1781 or U0401 DTC may set without the presence of a DTC P0300.

(more…)

Clunk/Bang From Rear of Vehicle – 2003-2004 Buick Chevrolet Pontiac

#04-06-04-066B: CLUNK/BANG FROM REAR OF VEHICLE (REPLACE FUEL TANK AND REFLASH PCM) (SEP 2, 2005)


Subject: Clunk/Bang From Rear of Vehicle (Replace Fuel Tank and Reflash PCM)
Models: 2003-2004 Buick Century, Regal
2003-2004 Chevrolet Impala, Monte Carlo
2004 Pontiac Grand Prix

This bulletin is being revised to remove the 2003 Grand Prix from the models. Please discard Corporate Bulletin Number 04-06-04-066A (Section 06 — Engine/Propulsion System).


Condition

Some customers may comment on a clunk/bang type noise coming from the rear of the vehicle.

This noise will be most noticeable when the vehicle comes to a stop or during parking lot maneuvers.

Customers may also comment that the noise occurs when the fuel tank is between ½ and full.

(more…)

Engine Coolant Temperature Gauge Reads In Red Zone And/Or Overheat Light On – 1997-2001 Cadillac Catera

#01-06-02-005: ENGINE COOLANT TEMPERATURE GAUGE READS IN RED ZONE AND/OROVERHEAT LIGHT ON (REPLACE COOLANT TEMPERATURE GAUGE SENSOR) (JUL 20, 2001)


Subject: Engine Coolant Temperature Gauge Reads In Red Zone And/Or Overheat Light On (Replace Coolant Temperature Gauge Sensor)
Models: 1997–2001 Cadillac Catera

Condition

Some customers may comment that the temperature gauge reads in the red zone and/or the overheat light is on. The vehicle does not overheat.

(more…)

Doors Hard to Close – 2002-2007 Buick Chevrolet GMC Oldsmobile Saab

#03-08-64-006C: DOORS HARD TO CLOSE (ADJUST STRIKER) (MAR 29, 2007)


Subject: Doors Hard to Close (Adjust Striker)
Models: 2004–2007 Buick Rainier
2002–2006 Chevrolet TrailBlazer EXT
2002–2007 Chevrolet TrailBlazer
2002–2006 GMC Envoy XL
2002–2007 GMC Envoy
2004–2005 GMC Envoy XUV
2002–2004 Oldsmobile Bravada
2005–2007 Saab 9-7X

This bulletin is being revised to change the warranty information. Please discard Corporate Bulletin Number 03-08-64-006B (Section 08 – Body and Accessories).


Condition

Some customers may comment that one or more of the doors may be hard to close.

(more…)