ON CERTAIN TRUCKS EQUIPPED WITH AN 8.1L V8 (RPO L8-VIN G) ENGINE HAVE A CONDITION IN WHICH THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP MAY FRACTURE RESULTING IN INADEQUATE RETENTION OF THE DAMPER.
Safety risk
IF THE DAMPER COMES LOOSE, A FUEL LEAK MAY RESULT. FUEL LEAKAGE, IN THE PRESENCE OF AN IGNITION SOURCE, COULD RESULT IN A FIRE.
Manufacturer remedy
DEALERS WILL REPLACE THE ENGINE FUEL RAIL PULSE DAMPER RETAINER CLIP FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 31, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 AND GMC TRUCKS AT 1-866-996-9463.
CERTAIN TRUCKS, SPORT UTILITY VEHICLES, AND VANS EQUIPPED WITH BOSCH HYDRO-BOOST BRAKE ASSEMBLIES, THE HYDRAULIC BRAKE BOOSTER PRESSURE ACCUMULATOR MAY CRACK AND SEPARATE FROM THE HYDRO-BOOST ASSEMBLY DURING NORMAL OPERATING CONDITIONS.
Safety risk
IF A SEPARATION OCCURRED AND THE HOOD OF THE VEHICLE WERE OPEN, FRAGMENTS FROM THE ACCUMULATOR COULD CAUSE INJURY TO PEOPLE IN THE IMMEDIATE AREA. THE PRESENCE OF THIS CRACK OR FRACTURED SURFACE COULD ALLOW THE HYDRAULIC FLUID TO LEAK FROM THE ACCUMULATOR CIRCUIT OF THE BOOSTER ASSEMBLY. THE LOSS OF FLUID WOULD CAUSE INCREASED STEERING AND BRAKING EFFORT AND A CRASH MAY OCCUR WITHOUT PRIOR WARNING.
Manufacturer remedy
DEALERS WILL TEST THE HYDRO-BOOST ASSEMBLY FOR FUNCTIONAL OPERATION OF THE TWO-FUNCTION VALVE. IF THE HYDRO-BOOST ASSEMBLY FAILS THE TEST, DEALERS WILL REPLACE THE ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON MARCH 23, 2005. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, GMC TRUCKS AT 1-866-996-9463 AND HUMMER AT 1-800-732-5493.
CERTAIN SPORT UTILITY VEHICLES, PICKUP TRUCKS, AND PASSENGER VANS FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 135, ?PASSENGER CAR BRAKE SYSTEMS.? SOME OF THESE VEHICLES WERE PRODUCED WITH AN OUT-OF-SPECIFICATION BRAKE HYDRO-BOOST HOUSING RELIEF VALVE BORE.
Safety risk
CONSEQUENTLY, THE VALVE O-RING SEAL MAY FRACTURE. STEERING EFFORTS MAY BE SLIGHTLY INCREASED WHILE BRAKING OR PARKING. UNDER CERTAIN DRIVING CONDITIONS, A FRACTURED SEAL MAY REQUIRE A SLIGHT INCREASE IN THE APPLIED BRAKE PEDAL EFFORT TO ACHIEVE THE SAME VEHICLE DECELERATION RATE AS PRIOR TO THE SEAT FRACTURE.
Manufacturer remedy
DEALERS ARE TO REPLACE THE HYDRO-BOOST RELIEF VALVE. THE RECALL BEGAN ON JUNE 18, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339; CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463; OR HUMMER AT 1-866-486-6376.
Owner complaints
A complaint is one person's report to a federal agency. It is not a finding.
Component
Complaints
Median mileage
Electrical system: instrument cluster/panel
14
47,000 mi
Electrical system
13
80,000 mi
Steering
10
10 mi
Service brakes
8
114,000 mi
Service brakes, hydraulic
5
70,000 mi
Air bags
4
14,167 mi
Engine and engine cooling
4
65,500 mi
Vehicle speed control
4
43,000 mi
Electronic stability control (ESC)
3
123,804 mi
Engine and engine cooling: engine
3
29,109 mi
Equipment
3
3,200 mi
Fuel system, gasoline: delivery: fuel pump
3
40,743 mi
Latches/locks/linkages
3
10 mi
Electrical system: horn
2
5,658 mi
Engine
2
182,000 mi
Exterior lighting
2
138,554 mi
Power train: automatic transmission
2
3,500 mi
Structure
2
—
Tires
2
122,000 mi
Unknown or other
2
—
Visibility: glass, side/rear
2
25,500 mi
Air bags: frontal: sensor/control module
1
3,500 mi
Child seat
1
10 mi
Electrical system: ignition
1
7,500 mi
Electrical system: wiring
1
5,658 mi
Engine and engine cooling: engine: gasoline
1
7,000 mi
Engine and engine cooling: exhaust system: emission control: catalytic convertor
1
500 mi
Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
1
500 mi
Equipment: appliance: air conditioner
1
—
Equipment: electrical: radio/tape deck/CD etc.
1
14,595 mi
Fuel system, gasoline
1
35,558 mi
Power train
1
182,000 mi
Power train: automatic transmission: cooling unit and lines
1
10,900 mi
Seat belts: rear/other
1
30,000 mi
Seats
1
—
Seats: front assembly: power adjust
1
14,595 mi
Service brakes, hydraulic: foundation components: disc: rotor
1
12,000 mi
Steering: column
1
26,099 mi
Steering: hydraulic power assist: pump
1
37,000 mi
Structure: body
1
230,000 mi
Structure: body: hatchback/liftgate: hinge and attachments
1
—
Suspension
1
67,000 mi
Suspension: front
1
24,500 mi
Visibility
1
45,000 mi
Visibility: defroster/defogger/hvac system
1
—
Wheels
1
91,880 mi
The 2003 model has roughly the same number of complaints as this one. The 2005 model has 2 times as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.
Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.