2004 Porsche 911
2004 Porsche 911
Overview
The 2004 Porsche 911 (996 generation) is a celebrated sports car known for its performance and driving dynamics. While generally well-regarded, like any vehicle of its age, it has specific areas that have seen more attention from owners and technicians. This data focuses on documented, non-wear-and-tear related issues that have been reported across a significant number of vehicles, rather than routine maintenance. Understanding these potential problem areas can help prospective buyers and current owners make informed decisions regarding maintenance and potential repairs.
Engine
3.6L Flat-6 (M96/03)
Intermediate Shaft (IMS) Bearing Failure
- Symptoms: Rattling noise from the engine, oil leaks, engine seizure.
- Solution: Replacement of the IMS bearing with an upgraded unit or engine replacement.
- Cost: $1,500 - $3,500
Rear Main Seal Leak
- Symptoms: Oil drips or puddles under the car, particularly after sitting.
- Solution: Replacement of the rear main seal.
- Cost: $1,000 - $2,500
Cylinder Head Coolant Leak
- Symptoms: Coolant loss, white smoke from exhaust, overheating.
- Solution: Replacement of cylinder head gaskets or repair of cracked heads.
- Cost: $2,000 - $5,000+
3.6L Flat-6 (M97.01 - Carrera 4S)
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Transmission
5-Speed Manual (G96)
Clutch Wear
- Symptoms: Slipping clutch, difficulty shifting, burning smell.
- Solution: Clutch replacement.
- Cost: $1,200 - $2,500
Shifter Cable Issues
- Symptoms: Stiff or imprecise gear changes, difficulty engaging gears.
- Solution: Replacement of shifter cables or bushings.
- Cost: $300 - $800
5-Speed Tiptronic Automatic (A96)
No widespread issues reported.
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Suspension
Standard Chassis
No Major Issues
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Electrical
General Electrical System
Window Regulator Failure
- Symptoms: Power windows not operating, slow window movement.
- Solution: Replacement of window regulator motor and mechanism.
- Cost: $400 - $800
Ignition Switch Failure
- Symptoms: Intermittent starting issues, dashboard lights flickering.
- Solution: Replacement of the ignition switch.
- Cost: $200 - $500
Exterior
Body Panels and Trim
No Major Issues
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Interior
Cabin Components
No Major Issues
- Symptoms: N/A
- Solution: N/A
- Cost: Varies
Summary Verdict
The 2004 Porsche 911, while a desirable driver’s car, is not without its potential mechanical concerns, particularly concerning the engine. The Intermediate Shaft (IMS) bearing is a well-documented potential failure point that can lead to catastrophic engine damage if not addressed. Rear main seal leaks are also common. Transmission issues are less frequent but clutch wear on manuals is a consideration. Electrical components like window regulators and ignition switches can also present problems. Despite these potential issues, with diligent maintenance and awareness of common failure points, the 2004 911 can remain a reliable and exhilarating sports car.