986 Service Maintenance Schedule – Porsche Boxster

This maintenance service schedule checklist is for the 1996-2004 986 Service Maintenance Schedule.

Every Porsche requires regular upkeep to function optimally, however not everyone wants to service their Porsche. It can be a hassle and no one wants to do it. Porsche service is essential to keeping your baby running smoothly and without a hitch.

Following Porsche maintenance intervals are key to preserving your car’s high-level performance. Performing routine maintenance in a timely manner prevents unnecessary downtime and helps reduce future service costs for your Boxster as preventative actions are taken. You need to learn when maintenance is expected on your vehicle below!

Regular car service will ensure that your car is roadworthy for the years to come.

Yearly maintenance intended for vehicles driven less than 9000 miles per year.

No oil change is required for this service. However, an oil and filter change is required at least every 2 years for vehicles not receiving scheduled major maintenance. Yearly maintenance for vehicles driven more than 9000 miles per year, wait and perform the 15,000 mile maintenance at the scheduled mileage interval.

  • Diagnosis system: Read out fault memory
  • Underside of vehicle & engine compartment: Visual inspection for leaks (oils & fluids) & chafing (wires, lines & hoses)
  • Check that the underbody paneling is securely fastened – replace any damaged and/or missing panels
  • Radiators and air inlets: Visual inspection for external debris and blockage
  • Power-assisted steering: Check fluid level
  • Engine: Check oil level
  • Brake hoses and lines: Visual inspection for signs of damage, correct routing, and corrosion
  • Brake fluid: Check the level
  • Steering gear: Visual inspection of the bellows for signs of damage
  • Tie rod ends: Check play and dust boots
  • Axle joints: Check play, visual inspection of the dust boots for signs of damage
  • Driveshafts: Visual inspection of the boots for leaks and signs of damage
  • Tires and spare wheel: Check condition and tire pressure
  • Check firewall and Cabrio section body drains for debris
  • Vehicle lights: Check operation. All headlights: Check alignment
  • Horn: Check operation
  • All other electrical equipment as well as indicator and warning lights: Check operation

Minor maintenance at 15 000, 45 000, 75 000, 105 000 miles etc. / 24 000, 72 000, 120 000, 168 000 km etc.

  • Change engine oil: (oil filter change is not required)
  • Air Filter: Check the air filter condition, and if necessary, replace
  • Diagnosis system: Read out fault memory
  • Underside of vehicle & engine compartment: Visual inspection for leaks (oils & fluids) & chafing (wires, lines & hoses)
  • Check that the underbody paneling is securely fastened – replace any damaged and/or missing panels
  • Power-assisted steering: Check fluid level
  • Coolant hoses: Check condition. Radiators and air inlets: Visual inspection for external debris and blockage
  • Coolant: Check level and antifreeze protection level
  • Pollen filter: Replace filter element
  • Brake hoses and lines: Visual inspection for signs of damage, correct routing, and corrosion
  • Brake fluid: Check the level
  • Driveshafts: Visual inspection of the boots for leaks and signs of damage
  • Tires and spare wheel: Check condition and tire pressure
  • Check firewall and Cabrio section body drains for debris
  • Door locks, lid locks & safety hook of the front lid: Check to ensure that they are adjusted and function properly
  • Check inner release of the front luggage compartment on 2002-on vehicles (‘03-on Boxster).
  • Vehicle lights: Check operation
  • All headlights: Check alignment
  • Horn: Check operation
  • Windshield washer, headlight washer: Check fluid level, nozzle settings, and the antifreeze protection level
  • All other electrical equipment as well as indicator and warning lights: Check operation

Major maintenance at 30 000, 60 000, 90 000, 120 000 miles etc. / 48 000, 96 000, 144 000, 192 000 km etc.

  • Change engine oil and oil filter
  • Replace spark plugs: Only On Boxster up to 2000 (For 2001-on Boxster, see 60 000 mile schedule)
  • Air filter: Replace filter element
  • Diagnosis system: Read out fault memory
  • Polyrib belt: Check condition
  • Underside of vehicle & engine compartment: Visual inspection for leaks (oils & fluids) & chafing (wires, lines & hoses)
  • Check that the underbody paneling is securely fastened – replace any damaged and/or missing panels
  • Coolant hoses: Check condition. Radiators and air inlets: Visual inspection for external debris and blockage
  • Coolant: Check level and antifreeze
  • Pollen filter: Replace filter element
  • Fuel system: Visual inspection for damage, correct routing and firm seating of the line connections
  • Power-assisted steering: Check fluid level
  • Parking brake: Check free play of the parking brake lever
  • Brake system: Visual inspection of the brake pads and brake discs for signs of wear
  • Brake hoses and lines: Visual inspection for damage, correct routing, and corrosion
  • Brake fluid: Check the level
  • Clutch: Check play or final position of the pedal
  • Throttle actuation: Check smoothness of operation, full-throttle position with the tester
  • Steering gear: Visual inspection of the bellows for signs of damage
  • Tie rod ends: Check play and dust boots
  • Axle joints: Check play, visual inspection of the dust boots for signs of damage
  • Check tightness on the front and rear suspension adjustment points
  • Driveshafts: Visual inspection of the boots for leaks and signs of damage
  • Exhaust system: Visual inspection for leaks and signs of damage, check mounts
  • Tires and spare wheel: Check condition and tire pressure
  • Check firewall and Cabrio section body drains for debris
  • Door locks, lid locks & safety hook of the front lid: Check to ensure that they are adjusted and function properly
  • Seat belts: Check operation and condition
  • Vehicle lights: Check operation. All headlights: Check alignment
  • Horn: Check operation
  • Windshield washer, headlight washer: Check fluid level & nozzle settings, make sure to check the antifreeze during winter months
  • All other electrical equipment as well as indicator and warning lights: Check operation

Additional maintenance every 60 000 miles / 96 000 km

  • Replace spark plugs: 2001-on Boxster ( for earlier Boxster see 30 000 mile schedule)
  • Replace Polyrib belt
  • Fuel Filter: Replace filter
Porsche Boxster 986 Service Manual

Additional maintenance every 90 000 miles / 144 000 km

  • Manual transmission: Change oil
  • Automatic transmission: Change ATF and ATF-filter
  • Differential: Change oil (includes front differential if equipped)

Maintenance every 2 years

  • Change brake fluid (only use Genuine Porsche Brake Fluid)
  • Change engine oil and filter (even on a low mileage vehicle that has not received scheduled major maintenance)

Maintenance after 4, 8 and 10 years, thereafter every 2 years

  • Check airbag system
  • Check rollover protection system (if equipped)

During the road test: (every service)

  • Check operation of remote control, front seats, foot brake & parking brake (also operating travel), engine, clutch, steering, transmission, park Assist, automatic speed control, TC/PSM switches, heater, air-conditioning system & instruments.
  • Visually inspect for leaks (oils and other fluids)

From The Internet

Top 5 Recommended Boxster Web Forums (Excellent Resource for repairs and advice)

Porsche Service