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Manfreds Import Auto
44 S. Northwest Hwy.
Cary, IL 60013

(847) 462-2100

Porsche Auto Service

Early Model Porsche Maintenance
Maintenance Schedule for Pre-2001 Model Year Porsches

Early model Porsches require slightly different care than those made during or after 2001. For your early model Porsche, you'll approach service needs a bit more quickly. We've included the service intervals below to serve as a guide for you and your certified Manfred’s Import Auto Service Technician

Early Model Porsche Maintenance: Every 7,500 Miles

Every 7,500 miles, change your engine oil and oil filter (Turbo Engines Only - 15000 mile intervals for normally aspirated cars).

Early Model Porsche Maintenance: Every 15,000 Miles

Every 15,000 miles you'll need to perform the following as part of your Porsche maintenance plan:

  • Change the engine oil and filter (see above for additional notes),
  • Visually inspect the engine for leaks,
  • Check the cooling and heating system for leaks,
  • Check the condition of your coolant hoses and tighten connections,
  • Visually inspect the radiator external fouling,
  • Check coolant level and antifreeze content,
  • Check tightness of hose connections in crankcase ventilation,
  • Check hoses, lines, and connections for tightness for intake air,
  • Check play of brake pedal and adjust if necessary,
  • Visually inspect brake hoses and lines for leaks, damage, and corrosion,
  • Check brake fluid level and top off if necessary,
  • Visually inspect brake pads and discs to check for wear,
  • Check play of clutch and adjust if necessary,
  • Check clutch plate for wear,
  • Visually inspect Hydraulic Clutch Actuator for leaks,
  • Check screw connections in steering gear for tightness and visually inspect the bellows for damage,
  • Check play of tie rod links while checking for tightness and dust caps,
  • Visually inspect power assisted steering for leaks, check fluid level, and top off if necessary,
  • Visually inspect ball joint dust caps for damage,
  • Check screw connections of wishbone for tightness,
  • Check play of front wheel bearings and adjust if necessary,
  • Check play of rear wheel bearings and adjust if necessary,
  • Lubricate clutch release lever and secondary spring,
  • Transmissions: If manual, visually Inspect for leaks, check oil level, and top off if necessary; for automatic, check fluid level and top off if necessary,
  • Visually inspect drive shaft sleeves for leaks and damage,
  • Visually inspect exhaust system for leaks and damage while checking screw connections for tightness and attachment,
  • Check condition and correct tire pressure,
  • Check operation of the door arrester (latch mechanism) and lubricate,
  • Lubricate door hinges,
  • Check door, engine hood locks, and safety hooks on front hood for tightness and function,
  • Remove abraded rubber and apply suitable agent to seals for doors, hood, and roof,
  • Check operation of vehicle lighting,
  • Check headlight setting and adjust if necessary,
  • Check horn for functionality,
  • Lubricate rods for retractable headlights,
  • Check throttle actuator for smooth running,
  • Check function, fluid level, and nozzle setting for windshield washer and wiper system and adjust if necessary,
  • Check operation, fluid level, and nozzle setting of headlight washer and adjust if necessary,
  • Check battery fluid level and top off if necessary,
  • Check operation of all electrical control equipment and optional extras, and
  • Check operation of heater, ventilation, and air conditioner blower.
Early Model Porsche Maintenance: Every 30,000 Miles
  • Change engine oil and filter,
  • Check tension and condition of timing (and balance shaft) drive belts,
  • Check tension and condition of V-Belt (Power Steering) and Poly-Rib Belt (AC / Alternator),
  • Replace spark plugs (At least every two years, regardless of mileage),
  • Replace air filter, and
  • If driving an automatic transmission, change ATF and clean ATF strainer.
Early Model Porsche Maintenance: Every 60,000 Miles

Every 60,000 miles, your Porsche transmission will need care. In a manual transmission, change the oil. In an automatic transmission, change the oil in the differential.

Additional Maintenance for Early Model Porsches

In addition to your regularly scheduled Porsche maintenance, there are a few other service tasks you'll want to schedule over the lifetime of your Porsche, such as the following:

  • Your brake fluid and engine coolant must be replaced every 2 years regardless of mileage.
  • If your car is tracked, brake fluid should be changed annually.
  • Your timing belt and balance shaft belt should be changed at 40,000 miles for 944s and at 60,000 miles for 968s. For both the 944 and 968, check belt tension and condition every 15,000 miles
  • Check your timing belt condition and inspection every year after 15,000 miles.
  • Water pumps in 944s do not usually last past 100,000 miles. It is recommended that you replace yours every 90,000 miles.
  • When examining the timing belt and balance belt, replace rollers if noisy. All rollers should be replaced at every other belt change unless it's an individual roller that was replaced during the previous belt change. For pre-1987 model 944s, the timing belt tension roller stud should be replaced at every other belt change.
Additional Porsche Maintenance Tasks
Porsche Maintenance outside of Scheduled Minor and Major Maintenance

You help to keep your Porsche in the best condition possible through regularly scheduling your Porsche Minor Maintenance and Porsche Major Maintenance appointments with Manfreds Import Auto Service Inc. While these service appointments are the main part of your Porsche's scheduled maintenance, there are additional tasks that you will need to schedule throughout the lifetime of your vehicle.

What additional Porsche Maintenance do I need to schedule? When?

You'll need to perform the following tasks at the specified intervals to ensure your Porsche stays in an optimized performance state:

  • Replace spark plugs every 60,000 miles, but no later than every 4 years.
  • Check drive belt at 40,000 miles or every 4 years and every additional 60,000 miles or 6 years.
  • Replace the drive belt every 60,000 miles or 6 years.
  • Every 120,000 miles or 12 years, you'll need to change the oil in a manual transmission; in an automatic transmission, you'll change the oil in the final drive, the ATF, and the ATF filter; you'll also need to change the oil in the four-wheel final drive.
  • Every two years, change the brake fluid (all models) and check rollover protection system (911 Cabriolet only).
  • Every four years, replace the tire sealant.
  • After the first four years, and every subsequent two years after, check the batteries for the tire pressure monitoring system.
  • Every 4, 8, 10, and thereafter 2 years, check the airbag system mounts for assemblies and running gear: visually inspect all rubber mounts for signs of damage.
Major Maintenance for Late Model Porsches
Advanced maintenance for Porsche model years 2001 to present

Every 40,000 miles, your Porsche needs a little more TLC than what you'll receive in the Porsche Minor Maintenance appointment. At this interval, your Porsche will need the Porsche Major Maintenance service, going above and beyond the task list included in the minor maintenance or oil service.

What is included in the Porsche Major Maintenance service appointment?

Porsche Major Maintenance includes all of the tasks from Porsche Minor Maintenance with a few additions, including the following:

  • Replace air filter element,
  • Check free play of the parking brake lever,
  • Check limit position of pedal on clutch,
  • Visually inspect the steering gear bellows for signs of damage,
  • Check the tie rod ends for play and dust bellows,
  • Check the axle joints for play and visually inspect the dust bellows for signs of damage,
  • Check the tightness of screw connections on the suspension adjustment system at the front and rear,
  • Visually inspect the exhaust system for leaks and signs of damage and check mounts, and
  • Check function and condition of seat belts.

As with the Porsche Minor Maintenance appointment, our certified Porsche technician will take your Porsche for a road test to ensure proper function and optimal performance in all areas.

How often will my Porsche need Major Maintenance?

Porsche Major Maintenance should performed at 40,000 miles, 80,000 miles, 120,000 miles, 160,000 miles, and so forth. If this mileage is not reached by year 4, year 8, year 12, etc., you will need to go ahead and perform the Porsche Minor Maintenance service. In addition, please note that the engine oil and oil filter must be changed every 6,000 miles in vehicles that are driven in countries where leaded fuel is used, like the United States.

Minor Maintenance for Late Model Porsches
Basic maintenance for Porsche model years 2001 to present

While your Porsche will spend most of its life out on the road, it will need a few checkups at your local Porsche maintenance provider to ensure that it stays in perfect working order for the optimal performance. One of the first steps in your Porsche maintenance schedule is minor maintenance.

What all is included in the Porsche Minor Maintenance service appointment?

During your appointment with Manfred’s Import Auto Service Inc., we will make sure that we complete the following:

  • Change the engine oil and filter,
  • Read out the fault memory of the diagnostic system,
  • Visually inspect your undercarriage for leaks and chafing,
  • Visually inspect underbody covers for completeness, fastenings, and any signs of damage,
  • Check coolant hose condition and coolant and antifreeze levels,
  • Visually inspect radiators and air intakes for blockage or soiling,
  • Replace particle filter,
  • Visually inspect brake pads, discs, hoses, and lines for wear, damage, routing, and corrosion,
  • Visually inspect drive shaft boots for leaks and/or damage,
  • Check pressure, wear, and condition of all tires,
  • Check functionality of locks, lid locks, safety hook, and internal trunk release,
  • Check functionality of vehicle lighting system, headlights, and horn,
  • Check fluid level and adjustments of headlight washers and windshield washers, and
  • Check functionality of electrical devises as well as indicator and warning lights.

After your inspection and service, our Porsche technician should take your vehicle for a road test to finish out your Porsche Minor Maintenance appointment.

How often will my Porsche need Minor Maintenance?

Porsche Minor Maintenance should performed at 20,000 miles, 60,000 miles, 100,000 miles, and so forth. If this mileage is not reached by year 2, year 6, year 10, etc., you will need to go ahead and perform the Porsche Minor Maintenance service. In addition, please note that the engine oil and oil filter must be changed every 6,000 miles in vehicles that are driven in countries where leaded fuel is used, like the United States.