1997-2003 Pontiac Grand Prix: Reliability
Updated: 11/23/08
2003 Pontiac Grand Prix
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1997-2003 Pontiac Grand Prix ▼
- Price Range: $1,700 - $7,300
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Our reliability study for this generation Pontiac Grand Prix includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation Pontiac Grand Prix .
Trouble Spots
Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search
for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested
solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer,
however, we have our own expert looking at additional vehicle problems.
Brake noise:
During moderate application, the rear brakes make a moaning sound. New pads are available to correct the problem. (1998-99)
Check-engine light:
Chafed wiring harness near the A/C accumulator can cause check-engine light, no-start, ABS warning light, stalling, or poor drivability. (1999-2001)
Coolant leak:
The 3.8-liter V6 may leak coolant into the engine from the intake manifold. A new gasket kit, revised throttle body nuts, and sealing compound is available. Redesigned manifolds are also available in the aftermarket. (1997-2004)
Coolant leak:
Coolant loss via plastic intake manifold is corrected by installing upgraded manifold and gaskets plus new PCV kit. (1997-03)
Cruise control:
If the cruise control cancels when the wipers are running, the cruise control module and ground wires must be replaced. (1997-98)
Door handles:
On white cars, the door handles turn yellow from the lock-cylinder grease. The company will replace the cylinders under warranty and there is a colorless grease available. (1997-99)
Doors:
The power door locks fail due to a rubber part breaking on the actuator arm inside the door. (1997)
Engine misfire:
The 3800 engine develops an ignition miss because the grease in the spark-plug boots causes them to crack. (1997-98)
Engine noise:
Ticking on cold startup may be due to excessive piston pin to bore clearance. (1997-98)
Engine temperature:
Overheating and coolant loss may be due to rough surface on radiator filler neck. Neck should be sanded smooth and cap replaced. (1999-2000)
Poor transmission shift:
The transmission may not shift out of third gear because the wires from the torque-converter switch rub and short out on the air-cleaner housing. (1998)
Tail/brake lights:
If water leaks into the left taillight housing, it must be replaced with a countermeasure housing. (1997)
Wipers:
The windshield wipers may not park at the bottom of the windshield because water gets into the motor assembly and freezes. (1997-98)
Wipers:
The wipers may not stop in the correct position due to a problem with the wiper motor bracket. (2002)
Consumer Guide® Estimated Repair Costs
This table lists costs of likely repairs for comparison with other vehicles. The
dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the
typical repair without extras or add-ons. Like the pricing information, replacement
costs can vary widely depending on region. Expect charges at a new-car dealership
to be slightly higher.
| Item Name | Repair Cost |
| A/C Compressor | $460 |
| Alternator | $220 |
| Automatic Transmission or Transaxle | $855 |
| Brakes | $390 |
| Constant Velocity Joints | $795 |
| Exhaust System | $425 |
| Radiator | $215 |
| Shocks and/or Struts | $910 |
| Timing Chain or Belt | $220 |
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