What is the Radiator / Condenser Corrosion problem on a 2004 Porsche Boxster / Cayman (987)?

Front intakes collect leaves and road salt, rotting the cooling components. Estimated repair cost: £600–£1,200.

Common Problems with the
2004 Porsche Boxster / Cayman (987)

We've identified 2 known issues that can affect the 2004 Porsche Boxster / Cayman (987). None are considered critical, but they're worth knowing about before you buy.

Known Issues

Serious

Moderate

Minor

The 2004 period has 1 more issue than the Porsche Boxster / Cayman (987) average across all year periods.

All Known Issues

Radiator / Condenser Corrosion

ModerateCooling System

Front intakes collect leaves and road salt, rotting the cooling components.

Most affected: All models

Estimated cost: £600–£1,200Affects: 2004–2012Often appears around: Age-related

Typical symptoms

•Weak AC
•Sweet coolant smell
•Visible rot in front grilles

What to inspect before you buy

✓Inspect front grilles for debris

Clutch Wear (Manual Models)

ModerateGearbox & Transmission

The clutch on manual models can wear prematurely, especially with spirited driving. A stiff clutch pedal or clicking noises from the transmission are telltale signs.

Most affected: Manual models

Estimated cost: £750–£1,200Affects: 2004–2012Often appears around: 40k-80k miles

Typical symptoms

•Stiff clutch pedal
•Gear change clicking
•Slipping clutch under load

What to inspect before you buy

✓Test clutch bite point
✓Listen for clicking from rear of car during gear changes

Buying Tips for the 2004 Porsche Boxster / Cayman (987)

✓Focus on 987.2 models (2009+) if budget allows, as they lack the IMS bearing.
✓Inspect front radiators with a torch; they are prone to stone damage and rot.
✓Listen for "clonks" from the front suspension, often indicating worn coffin arms.

2005–2008 Porsche Boxster / Cayman (987)