Summary Of Specific Components And Tightening Torques
NOTE:
Screws coated with locking fluid or sealant must always be replaced with new screws during reinstallation.
Always use new screws and nuts when angle tightening. Any exceptions to this rule will be indicated in the method.
Angle-tightening in tight spaces.
| Exhaust system (to the turbocharger (TC)) |
24 Nm |
| Cylinder head Tighten the screws in sequence from the center and outwards. |
Stage 1........20 Nm Stage 2........60 Nm Stage 3........130° |
| Manifold (cylinder head side) |
25 Nm |
| Pipe screw (coolant pipe / turbocharger (TC)) |
26 Nm |
| Pipe screw (water heated crankcase ventilation.) |
26 Nm |
| Pipe screw (oil pressure line / turbocharger (TC)) |
26 Nm |
| Pipe screw (oil pressure line / engine block) |
38 Nm |
| Sub-frame nut (lower torque rod) | Stage 1........65 Nm Stage 2........60° |
| Subframe screws (start on the left-hand side, then the right-hand side) | Stage 1........105 Nm Stage 2........120° |
| Subframe bracket | 50 Nm |
| Intake manifold | 19 Nm |
| Catalytic converter (to the turbocharger (TC)) (to the exhaust system) |
25 Nm 24 Nm |
| Knock sensor (KS) | 20 Nm |
| Piston cooling valve (piston cooling oil duct, in cylinder block) |
36 Nm |
| Timing gear pulley (camshafts without variable valve timing) |
20 Nm |
| Timing gear pulley (camshafts with variable valve timing) |
10 Nm |
| Heated oxygen sensor (HO2S) | 45 Nm |
| Carrier plate | Stage 1........45 Nm Stage 2........50° |
| Intermediate section Tighten the screws in sequence from the center and outwards. |
Stage 1 M10........20 Nm Stage 2 M10........45 Nm Stage 3 M8........24 Nm Stage 4 M7........17 Nm Stage 5 M10........90° |
| Torque converter | 50 Nm |
| Engine mounting Right side (M10x35 to cylinder block) |
Stage 1........35 Nm Stage 2........60° |
| Engine mounting Right side (M8x23 to cylinder block) |
Stage 1........20 Nm Stage 2........60° |
| Right-hand engine pad for the subframe (Only applies to XC90) | Stage 1........120 Nm Stage 2........40° |
| Lower torque rod, transmission screw | Stage 1........35 Nm Stage 2........40° |
| Lower torque rod, sub-frame nut | Stage 1........65 Nm Stage 2........60° |
| Oil filter (environmental filter) |
25 Nm |
| Oil trap | 15 Nm |
| Oil pan plug | 38 Nm |
| Oil pump (countersunk Allen, M6x20, holds the pump housing together) |
6 Nm |
| Oil return line (turbocharger (TC)) |
12 Nm |
| Oil pan (Applies to B5254T4) | the screws (1, 2, 3 and 4). Tighten to........3 Nm the screws (5). Tighten to........25 Nm. Then tighten to 48 Nm |
| Oil pressure switch | 27 Nm |
| Stud (at exhaust port, manifold, turbocharger (TC)) |
20 Nm |
| Plug (check hole for gauging valve clearance) |
20 Nm |
| Plug (gauge hole / crankshaft seal) |
38 Nm |
| Belt tensioner (mechanical) |
20 Nm |
| Flywheel | Stage 1........45 Nm Stage 2........65° |
| Vibration damper -2002 (flanged screws x4) |
Stage 1........25 Nm Stage 2........30° |
| Vibration damper 2002- /flanged screws x4 |
Stage 1........25 Nm Stage 2........60° |
| (center nut) | 180 Nm |
| Temperature sensor (coolant) |
22 Nm |
| Timing cover, (front/rear) | 12 Nm |
| Timing cover, (upper) | 8 Nm |
| Turbocharger (TC) (to manifold, without gasket) |
25 Nm |
| Turbocharger (TC) (to manifold, with gasket) |
37 Nm |
| Spark plugs | 30 Nm |
| Connecting rod cap (connecting rod with treated toothed surface between the connecting rod and cap, screw with waist) | Stage 1........20 Nm Stage 2........90° |
| Connecting rod cap (connecting rod with fracture surface between the connecting rod and cap, fully threaded screw) | Stage 1........30 Nm Stage 2........90° |
| Transmission screw (lower torque rod) | Stage 1........35 Nm Stage 2........40° |
| Variable valve timing center screw | 120 Nm |
| Variable valve timing center plug | 35 Nm |