Engine Cooling; Engine Lubrication; Engine Control - Porsche 996 TT Repair Manual

Timing with 1 mm
valve travel
Intake system
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Engine cooling

Engine Water cooling; 3 radiators in front of the front wheels. Two electric fans, controlled in
cooling three stages
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Engine lubrication

Type
Oil cooling
Oil pressure at n=5000 rpm, T=90°C Approx. 6.5 bar
Oil pressure indicator
Oil consumption
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Engine control

Engine control module
Ignition
Firing order
Spark plugs
Electrode gap
E−gas
USA version
Boost pressure control
Engine design
Inlet closes 20° after BDC
Outlet opens 41° before BDC
Outlet closes 9° before TDC
Tuned−intake system
Dry sump lubrication with separate oil canister
Via oil−water heat exchanger on pressure side behind oil pump
Oil pressure indicator lamp plus instrument
Approx. 1.0 l/1000 km
Bosch ME 7.8
DME, individual spark coils, knock control
1−6−2−4−3−5
Bosch FR 6 LOC
Beru 14 − FR 6 LDU
1.6±0.2 mm (0.06±0.008 in)
Electronic throttle actuator control via DME ME 7.8
On−Board Diagnosis II
Absolute pressure−guided turbocharger control
einordnung
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