318
Practical Tips, Minor Repairs fAlways tighten all screws to the
prescribed torque.
3. Fasten the battery fastening plate with screw
E. Tightening torque 15 ftlb. (20 Nm).
4. Fasten the bracket with screw F. Tightening
torque 6.5 ftlb. (9 Nm).
5.Important: Do not forget to connect vent
hoseD to the battery.
Make sure that both ends of the vent hose are
properly connected.
Danger!
Danger of explosion and injury and risk of
short circuit and damage to the alternator
and electronic control units.
fConnect the positive cable first, and then the negative cable.
6. Connect the positive cable.
7. Connect the negative cable.
8. Put on the battery-box cover carefully.
Ensure that the ventilation duct is properly in-
serted.
9. Engage the 4 clamps C on the battery-box lid
and close them with a screwdriver.10.With the seat tilted back, use the fore-and-aft
adjustment to move the seat back.
Tilt the seat forward.
11.Clean threaded holes on the seat mounting.
12.Use only new bolts B(the bolts are micro-en-
capsulated).
Insert bolts Band screw them in a few turns by
hand.
Tighten bolts.
Tightening torque 37 ftlb. (50 Nm).
13.Clip in front seat trim.
14.Move seat to normal position.
346
Vehicle Identification, Technical Data
Engine DataTy p e
Four-cycle spark-ignition
engine
Number of cylinders 8
Bore
3.66 in. (93 mm)
Stroke 3.27 in. (83 mm)
Displacement
275 cu. in. (4511 cm
3)
Compression ratio 9.5 : 1
Net-horsepower, SAE J 1349
450 HP (331 kw)
at engine speed 6000 rpm
Net. torque, SAE J 1349
460 ftlb. (620 NM)
at engine speed 2250 - 4750 rpm
Maximum permitted engine speed
6500 rpm
Vehicle Identification, Technical Data
351
CapacitiesUse only fluids and fuels authorized by Porsche. Your authorized Porsche dealer will be pleased to advise you.
Your Porsche has been designed so that it is not necessary to mix any additives with oils or fuels.1 Depending on equipment levelEngine oil change quantity without oil filter
approx. 8.5 quarts (8.0 liters)
Engine oil change quantity with oil filter approx. 9.0 quarts (8.5 litres)
Reference indication is the level on the oil dipstick.
Please observe the chapter “ENGINE OIL LEVEL” on Page 236.
Coolant
1)
approx. 4.8 – 5.5 U.S. gallons (18 - 21 liters)
Automatic transmission with torque converter approx. 10.6 quarts (10.1 liters)
Transfer box
approx. 0.9 quarts (0.85 liter)
Front-axle differential approx. 1.1 quarts (1.0 liter)
Rear-axle differential
approx. 1.5 quarts (1.4 liters)
Locking rear differential approx. 1.7 quarts (1.6 liters)
Fuel tank
approx. 26.4 U.S. gallons (100 liters),
including approx. 3.1 U.S. gallons (12 liters) reserve
Fuel quality The engine is designed to provide optimum performance and fuel consumption if unleaded premi-
um fuel with 98 RON/88 MON is used.
If unleaded premium fuels with octane numbers of at least 95 RON/85 MON are used, the engine's
“Electronic Oktane™ knock control“ automatically adapts the ignition timing.
Power steering
approx. 1.6 quarts (1.5 liters) Pentosin CHF 11 S
®
Brake fluid approx. 1.0 quart (0.95 liter)
Use only Original Porsche brake fluid.Window/headlight washer system
approx. 7.9 quarts (7.5 liters)
360
Index Drinks holder ..................................... 172
,176
Closing rear........................................ 177
Opening front ..................................... 176
opening rear ....................................... 177
Removing insert front .......................... 176
Driving
Load .................................................. 193
Off road ............................................. 220
Sand .................................................. 227
Trailer ................................................ 195
Winter ................................................ 204
Driving downhill .......................................... 223
Driving light assistant
Light switch ........................................ 114
Driving light assistant, automatic.................. 115
Driving performance ................................... 353
Driving program
Low Range indicator light .................... 207
Off road .................. 201
,203
,206
,207
Reduced ............................................ 204
Road ................................ 200
,202
,207
Driving programme
Off road ............................................. 210
Road .................................................. 210
Driving systems for off-road driving .............. 221
Driving with a trailer .................. 160
,194
,352
Drop-center rim .......................................... 282
DVD Player ................................................. 177
EEasy Entry function ....................................... 35
ECON mode ...................................... 130
,135
Button ....................................... 127,131Electrical system ........................................ 302
Emergency operation
Door lock ............................................. 23
Doors................................................... 18
Ignition key ........................................... 18
Sliding/lifting roof................................ 149
Emergency starting ..................................... 323
Emergency unlocking
Filler flap ............................................ 251
Selector lever ..................................... 205
Spare wheel bracket ........................... 301
Emission control ................................. 5
,8,76
Check engine warning light .................... 76
Emission Control System ............................. 254
Engine
Boost pressure ..................................... 75
Cooling system ..................................... 73
Data................................................... 346
Idling .................................................. 199
Starting and stopping ............................ 60
Engine compartment
Cleaning ............................................. 260
Lid ..................................................... 180
Engine drag torque control .......................... 215
Engine Oil
Performance class .............................. 239
Viscosity............................................. 239
Engine oil ................................................... 235
Change .............................................. 238
Level .................................................. 236
Recommendation ................................ 238
Temperature gauge............................... 72
Topping up ......................................... 237Engine oil level ............................................236
Checking ............................................236
Warning ..............................................236
Engine residual heat ...........................130
,136
Entry aid.......................................................35
Switching on and off ..............................35
Exhaust gas
Monitoring ..............................................5
Exit aid .........................................................35
Switching on and off ..............................35
FFabric linings ..............................................264
Filler flap ....................................................250
Release ................................................15
Filling pressure..............................................85
Plate ..................................................345
Reducing ...................................296
,298
Tables ................................................350
Warning light ...........68
,70,87,97,108
Warning message..................................93
Fire extinguisher..........................................171
Floor mats ..................................................263
Fluids and fuels ...........................................351
Fog lights ...................................................114
Folding wedges...........................................287
Footbrake .....................................................63
Warning light .........................................64
Footwell light ..............................................146
Fresh-air intake ...........................................125
Front seat with memory ..........................33,34
Front seats ..........................................32
,172
Adjusting the seats ................................32
Seat position.........................................32