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

Camshaft adjustment
Valve clearance
Valve timing
with 1 mm valve travel and zero clearance
(kinetic clearance of the operating plunger taken
into account, basic inlet camshaft setting early)
Intake system
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Engine cooling

Engine cooling
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Engine lubrication

Engine lubrication
Type
Oil cooling
Oil filter
Oil pressure
at n = 5000 rpm
Oil pressure indicator
Oil consumption
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Engine control

Engine control
Engine control module
Ignition
Firing order
Engine cooling
einordnung
Porsche VarioCam Plus with 30° adjustment
Hydraulic valve clearance compensation
Inlet opens at 10° before TDC
Inlet closes at 20° after BDC
Outlet opens at 41° before BDC
Outlet closes at 9° before TDC
Tuned−intake system (plastic)
Water cooling; 3 radiators ahead of the front wheels.
(Additional radiator for Tiptronic vehicles)
Two electric fans, controlled in three stages
Dry sump lubrication with separate canister
Via oil−water heat exchanger
On pressure side behind oil pump
Approx. 6.5 bar at 90° C
Oil pressure indicator light plus instrument
Max. 1.0l/1000km
Bosch ME 7.8
DME, individual spark coils, knock control
1−6−2−4−3−5
5