1999 Porsche Carrera problems

Common 1999 Porsche Carrera problems

Based on complaints from owners of the 1999 Porsche Carrera 911, several common problems have been identified:

• Worn Suspension:
  • • With the 1999 Porsche Carrera 911 approaching 25 years old, worn-out suspension components are a common issue.
    • Springs, dampers, rubber bushes, bearings, and bump stops deteriorate over time, affecting the car's handling and ride quality.
    • A comprehensive suspension health check can cost around £320 plus VAT, helping owners plan for necessary repairs or replacements.

• Exhaust System Corrosion:
  • • The exhaust system of the 1999 Porsche Carrera 911 is prone to corrosion due to exposure to the elements.
    • Corrosion can occur at joints, flanges, and clamps, leading to exhaust leaks, emissions issues, and engine management light warnings.
    • Upgrading the exhaust system with aftermarket parts like X-pipes with sports cats can improve performance and engine sound.

• Air/Oil Separator Failure:
  • • Failure of the air-oil separator can result in excessive oil consumption, rough engine running, and visible smoke from the exhaust.
    • The air-oil separator is designed to remove residual vapors from the engine, but if it fails, oil can be sucked into the intake, causing issues.
    • Replacing the air-oil separator is a relatively simple fix that can prevent more serious engine problems and costly repairs.

• Slow-Cranking on Start-Up:
  • • Owners have reported issues with slow cranking during hot or cold starts, indicating potential battery or electrical system problems.
    • Causes of slow cranking can range from a failing battery to poor grounding due to corrosion.
    • Professional diagnosis by experienced technicians is recommended to identify and address the root cause of slow-cranking issues.

These common problems highlight the importance of regular maintenance, inspections, and addressing issues promptly to ensure the longevity and performance of the 1999 Porsche Carrera 911.

Are 1999 Porsche reliable?

Very reliable, plenty of power, great handling

The handling is great, you feel in control and comfortable driving on canyon roads. The engine produces 300 HP pushing this car 0-60 time in 4.7 seconds & a 1/4 mile in 13.2 seconds.

Are Porsche Carrera reliable?

Porsches are very reliable and do not break down easily – provided you adhere to regular maintenance and servicing, you will not spend much on repairs. Porsches use only premium parts, and for this reason, problems don't happen often. That being said, no car is perfect, and Porsches are no exception.

What is the weakness of the Porsche 996?

The rear main oil seals were a weak point on Porsches of this era and leaks are not uncommon. Although the seal itself is an inexpensive part, labour for the replacement is costly because it is very difficult to access. If you spot an oil leak on the 996 you plan to buy, ask a Porsche specialist to look at it.

What is the problem with the Porsche 911 996 engine?

The 996 has a turbo coolant pipe strong enough to deal with the pressure, but the epoxy Porsche used for the fittings would often fail and allow massive coolant leaks, which can cause major problems. A bad turbo coolant pipe can cause a large loss of coolant, which can lead to overheating and extensive engine damage.

1999 Porsche Carrera car problems categorized by type of issue

After analyzing all complaints sent to the NHTSA and researching popular Porsche Carrera problems, we found that the most common problems with these 2023 model year vehicles are:

• Air bags problems
• Engine and engine cooling problems
• Seat belts problems

The graph below shows statistics for all 1999 Porsche Carrera vehicle components and the number of complaints received.