Technical Values

Location	Description	Type	Basic value
Cylinder-head screws (multiple-tooth)	M9 x 1.25 x 141 (7 ea., center) and M9 x 1.25 x 111 (13 ea., outer), always replace	Initial tightening	15 Nm (11 ftlb.)
Cylinder-head screws (multiple-tooth)		Tightening torque	30 Nm (22 ftlb.)
Cylinder-head screws (multiple-tooth)		Torque angle	180°
Oval-head screw on timing chain housing	M6 x 25	Tightening torque	8 Nm (6 ftlb.)
Hexagon-head bolts on oil pump	M8 x 20	Tightening torque	8 Nm (6 ftlb.)
Bearing pin on guide rail for drive chain	M8 x 11.5	Tightening torque	10 Nm (7.5 ftlb.)
Hexagon-head bolt on drive wheel for timing chain	M10 x 40 (always replace)	Initial tightening	60 Nm (44 ftlb.)
Hexagon-head bolt on drive wheel for timing chain		Torque angle	90°
Bolt for guide rail		Tightening torque	10 Nm (7.5 ftlb.)
Fastening screw on guide rail		Tightening torque	20 Nm (15 ftlb.)
Hexagon-head bolt on guide rail	M8 x 45	Tightening torque	23 Nm (17 ftlb.)
Hexagon-head bolts on camshaft controllers	M12 x 1.5 x 85 (always replace)	Initial tightening	60 Nm (44 ftlb.)
Hexagon-head bolts on camshaft controllers		Torque angle	90°
Oval-head screw on vacuum pump	M6 x 20	Tightening torque	8 Nm (6 ftlb.)
Oval-head screw on vacuum pump	M6 x 40	Tightening torque	8 Nm (6 ftlb.)
Hexagon-head bolts on oil pan	M6 x 20	Tightening torque	12 Nm (9 ftlb.)
Fastening screw on cylinder head cover	With guide sleeve	Tightening torque	10 Nm (7.5 ftlb.)
Fuel line to fuel distributor pipe		Tightening torque	22 Nm (16 ftlb.)
Fuel line at plenum panel		Tightening torque	35 Nm (26 ftlb.)
Cheese head bolts on fuel distributor pipe	M8 x 55 (always replace)	Initial tightening	30 Nm (22 ftlb.)
Cheese head bolts on fuel distributor pipe		Torque angle	90°
Multiple-tooth screw on crankshaft bearing cover	M10x 78 (always replace)	Initial tightening	30 Nm
Internal serration screw on crankshaft bearing cover		Torque angle	180°
Countersunk screw on drive plate for inductive pickup	M6x 13 (always replace)	Initial tightening	10 Nm
Countersunk screw on drive plate for inductive pickup		Torque angle	90°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Crank drive V6
Connecting rod bolts	M9 x 1 x 50 (always replace)	Initial tightening	30 Nm
Connecting rod bolts		Torque angle	90°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Overview of piston/connecting rod
Hexagon-head bolt on vibration balancer joint flange	M6x 16	Tightening torque	10 Nm
Hexagon-head bolt on lower timing-case cover		Tightening torque	8 Nm
Hexagon-head bolt on lower timing-case cover	20 ea. (M6 x 16); 2 ea. M6 x 58	Tightening torque	10 Nm
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Crankshaft joint flange
Hexagon-head bolt on crankshaft vibration balancer	M18x 1.5 x 40 (always replace)	Initial tightening	100 Nm
Hexagon-head bolt on crankshaft vibration balancer		Torque angle	180°
Hexagon nut on camshaft bearing cover	M7	Initial tightening	5 Nm
Hexagon nut on camshaft bearing cover		Torque angle	45°
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Overview of cylinder head on V6 DFI engine
Cheese head bolt	M6 x 30	Torque support	8 Nm
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Installing timing chain housing
Oil cooler cover		Tightening torque	25 Nm
Lower part of oil filter		Tightening torque	25 Nm
Oil drain plug		Tightening torque	10 Nm
Hexagon-head bolt for oil-water heat exchanger	M6 x 65	Tightening torque	23 Nm
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Oil-filter housing
Oval-head screw	Coolant Pump, M6 x 18 (always replace)	Tightening torque	8 Nm
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Oil-filter housing
Oil pressure switch	Black	Tightening torque	20 Nm (15 ftlb.)
Belt tensioner	M8 x 30	Tightening torque	25 Nm
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Fastening screws for belt tensioner
Fit bolt for unit carrier	M8 x 28/Item 4	Tightening torque	23 (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Removing and installing unit carrier
Cheese head bolt for unit carrier	M8 x 40/Item 5	Tightening torque	23 Nm (17 ftlb.)
Courtesy of PORSCHE CARS NORTH AMERICA, INC. Removing and installing unit carrier
Chain tensioner	M22 x 1.5 x 18.7	Tightening torque	50 Nm (37 ftlb.)
Hexagon nut on exhaust manifold	M8 (always replace)	Tightening torque	25 Nm (19 ftlb.)