2003 Porsche Boxster S Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Porsche Boxster S

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2003 Porsche Boxster S Problems

Water Leaks from Cabriolet Tops Due to Clogged Drains

The drains in the Cabriolet top can clog, causing water to leak onto the carpets. Water can also accumulate in the doors, causing various electrical problems.

Electrical Issue Due to Failed Ignition Switch

If the vehicle cannot return to run position after start or if the interior fan is not getting power, it may be the electrical portion of the ignition switch has become erratic or has failed. The entire switch assembly should be replaced.

Defect in window motors may cause electrical issues

Electrical issues—windows lowering after locking or leaving the vehicle—can be caused by a defect in the window motors.

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2003 Porsche Boxster S Questions

I had to jump my dead battery. Now when the car is running, my a/c doesn't blow. (2 answers)

A/c does blow when the key is on but not started. This is also the same with the windshield wipers.

My radio does everything it should except there is no sound (2 answers)

Radio comes on but there is no sound

No sound from radio (2 answers)

The radio does everything it's supposed to do but there is no sound

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2003 Porsche Boxster S Reviews

Rated
based on 4 customer reviews
I purchased my 986S new in Dec 2002. I have owned 14 new-purchase German vehicles (Audi, VW, & BMW) since 1976 - this Boxster S is heads & shoulders above the rest in terms of performance (to be expected) and reliability. Other than an initial adjustment of the convert. top, installing speed bleeder valves, and a new battery at 5 yrs nothing other than annual maintenance has been required. Ev...
I absolutely love driving this car, but compared to the other reviews left here, I must have gotten a lemon. I purchased my 2003 Boxster S convertible used two years ago with only 37K miles on it, and it seems like I have to sink $2,000 into it every few months. I only had it out of the shop for 10 days and It now needs a new clutch at $2500. I think I've put $7500 into this car in 2 years. ...
I purchased this car at 77k miles over a month ago and I am very happy with it. I can't say too much to the mechanical reliablity since I haven't owned it long but the previous owner has had to have a few transmissions seals replaced and the engine was replaced under warranty it 30k. He has taken good care of it so I don't anticpate any issues. I have already taken the car on a road course t...

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