Diagnosis system: read out fault memory and make repairs as necessary.
Change engine oil and oil filter
Check and adjust valve clearance (replace valve cover gaskets, sealing nuts and washers)
Replace spark plug
Replace air filter element
Replace fuel filter (MY 1994)
Check and adjust auxiliary air pump drive belt (911 Turbo only)
V-Belt and Polyrib belt: check condition and tension, correct if necessary
Fuel system: Visual inspection for damages, clearance and tightness of line connections
Check tightness of hose connections on the crankcase ventilation
Check operation of safety switch for boost pressure (911 Turbo only)
Intake air: Check hoses, lines, and connections for tightness
Check accelerator linkage for smooth operation and full throttle opening
Check resonance flap movement (excludes Turbo)
Check accelerator linkage for smooth operation
Parking brake: Check free travel of parking-brake lever
Brake fluid: Check level
Brake system: Visual inspection of brake pads and brake discs to check for wear
Check and correct manual transmission/final drive oil level
Check and adjust clutch and brake pedal free play
Check and correct ATF level in automatic transmission and oil level in final drive (excludes Turbo)
Check clutch and brake system, all lines and hoses (include wear and leaks)
Tires and spare wheel: Check condition and correct tire pressure
Steering gear: Visual inspection of the bellows for damage and bolt connections for tightness
Power steering: visual inspection for leaks, check fluid level and correct if necessary
Check condition of drive belt for power steering pump
Tie rods: Check play and dust boots
Ball joints: Visual inspection of dust boots for damage, check tightness of wheel alignment adjustment/mounting bolts
Drive shafts: Visual inspection of boots for leaks and damage
Exhaust system: Visual inspection for leaks and damage; check tightness
Seals for doors, hood and roof/top: Remove rubber residue from body seal contact areas, apply suitable lubricant
Check and lubricate door hinges and door check rods
Door locks, hood locks and safety hook on front hood: Check that they are adjusted and function properly
Seat belt: Check operation and condition
Vehicle lights: Check operation and headlight alignment
Horn: Check operation
Windshield washer, headlight washer: Check fluid level, nozzle aim and washer fluid anti-freeze protection level for the winter season and check wiper system operation
Battery: Check electrolyte level and hydrometer test
All other electrical equipment as well as indicator and warning lights check operation
