vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Special Tools and Equipment > < Recommended Torque Values (X25XE, Y26SE)

 

 

 

Recommended Torque Values X 16 XEL, Y 16 XE, Z 16 XE, X 18 XE1, Z 18 XE, Z 18 XEL  

 

Nm  

Exhaust gas recirculation valve to lower part of inlet manifold (X 16 XEL with secondary air system)  

20  

Starter to transmission  

40  

Starter to cylinder block  

25  

Drive disc to crankshaft  

60 1)  

Exhaust manifold to cylinder head  

22 2)  

Oil filter housing cover to oil filter housing (X 18 XE1, Z 18 XE, Z 18 XEL)  

25  

DIS ignition module to bracket  

8  

Reaction member to bracket and alternator support  

60  

Throttle body to intake manifold (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE, X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Throttle body to throttle body flange (X 16 XEL with secondary air system)  

8  

  

1)  Use new fastening bolts.  

2)  Use new fastening nuts.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Pressure line to power steering pump  

37.5  

Intake manifold to intake manifold flange (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE)  

8  

Intake manifold to cylinder head (X 18 XE1, Z 18 XE, Z 18 XEL)  

20 1)  

Upper part of inlet manifold to lower part of inlet manifold (X 16 XEL with secondary air system)  

8  

Lower part of inlet manifold to cylinder head (X 16 XEL with secondary air system)  

20  

Accelerator pedal to bulkhead  

20 1)  

Accelerator pedal/accelerator position sensor to bulkhead (Y 16 XE, Z 16 XE)  

20 1)  

Throttle body flange to lower part of intake manifold (X 16 XEL with secondary air system)  

8  

Intake manifold flange to cylinder head (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE)  

20 1)  

Crankshaft pulse pick-up sensor disc to crankshaft  

15  

  

1)  Use new fastening nuts.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Alternator to alternator support  

35  

Alternator to lower alternator bracket  

35  

Alternator support to cylinder block  

35  

Auxiliary aggregate(s) support to cylinder block  

35  

Bowden cable bracket to throttle body  

8  

Reaction member bracket to body  

60  

Alternator bracket to cylinder block  

35  

Crankshaft pulse pickup bracket to oil pump  

8  

Rear engine damping block bracket to transmission  

60  

Rear engine damping block bracket to rear engine damping block  

45  

 

 

 

Recommended Torque Values (Continued)  

 

Nm  

Front right engine damping block bracket to auxiliary aggregates support  

35  

Front right engine damping block bracket to cylinder block  

35  

Engine control unit bracket to cylinder head  

8  

Rear toothed belt cover to cylinder head and oil pump  

6  

Crankshaft pulse pick-up to bracket (X 16 XEL)  

8  

Crankshaft pulse pick-up to oil pump (X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Crankshaft pulse pick-up in cylinder block (Y 16 XE, Z 16 XE)  

8  

Increment disc to crankshaft  

95 Nm / 70 lbf. ft. +30 ° + 15 ° 1)  

Inner hex bolt to thermostat housing cover (X 16 XEL)  

15 2)  

Ribbed V-belt tension roller to ancillary component support  

25  

  

1)  Use new fastening bolt.  

2)  Re-cut thread before re-use and insert with screw locking compound (red). The installation time including torque check is max. 5 min.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Clamp for shift guide  

12 Nm / 9 lbf. ft. + 90 ° + 90 °  

Knock sensor to cylinder block  

20 1)  

Fuel distributor pipe to lower part of inlet manifold (X 16 XEL with secondary air system)  

8  

Fuel distributor pipe to intake manifold (X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Coolant flange to cylinder head (X 16 XEL, Y 16 XE, Z 16 XE)  

20  

Coolant pump to cylinder block  

8  

Coolant line to intake manifold and cylinder head cover (X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Crankshaft bearing cap to cylinder block  

50 Nm / 37 lbf. ft. + 45 ° + 15 ° 2) 3)  

Oxygen sensor in exhaust manifold (X 16 XE)  

30  

Oxygen sensor in exhaust manifold (X 18 XE1, Z 18 XE, Z 18 XEL)  

40  

  

1)  The knock sensor must lie on the entire contact face directly on the cylinder block - ensure it is completely clean. Do not use underlying, spring or toothed lock washer. Observe tightening torque without fail, otherwise function disruptions may occur.  

2)  Use new fastening bolts.  

3)  Apply a bead of adhesive sealing compound (black) to grooves of rear crankshaft bearing cap. After assembly of crankshaft bearing cap, press in adhesive sealing compound (black) from above again until it escapes from the joints.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Oxygen sensor for catalytic converter check in front exhaust pipe (Y 16 XE, Z 16 XE)  

55  

Oxygen sensor for mixture regulation in exhaust manifold/catalytic converter (Y 16 XE)  

30  

Alternator shackle to coolant flange, alternator and lower part of inlet manifold  

20  

Steering intermediate shaft to steering gear (interior)  

22 Nm / 16 lbf. ft. + 45 ° + 15 ° 1)  

Engine cover to cylinder head  

8  

Rear engine damping block to front axle body  

20  

Engine damping blocks, front to engine damping block bracket  

45  

Front engine damping block to front axle body  

45  

Engine control module to intake manifold (X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Engine control unit to engine control unit bracket (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE)  

8  

  

1)  Re-cut thread for steering intermediate shaft before re-use. Insert new fastening bolts with screw locking compound (red). The installation time including torque check is max. 5 min.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Camshaft bearing caps to cylinder head  

8  

Camshaft sprocket to camshaft  

50 Nm / 37 lbf. ft. + 60 ° +15 ° 1)  

Camshaft sensor to cylinder head  

8 2)  

Oil drain bolt to oil pan (rubber seal ring)  

10  

Oil drain bolt to oil pan (metal seal ring)  

45  

Oil pressure switch to oil pump  

30  

Oil filter to cylinder block (X 16 XEL, Y 16 XE, Z 16 XE)  

15  

Oil filter housing to cylinder block (X 18 XE1, Z 18 XE, Z 18 XEL)  

45  

Oil dipstick guide tube to exhaust gas recirculation adapter (X 18 XE1, Z 18 XE, Z 18 XEL)  

8  

Oil pump to cylinder block  

8  

  

1)  Use new fastening bolt.  

2)  Re-cut thread before re-use and insert with screw locking compound (red). The installation time including torque check is max. 5 min.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Oil pump cover to oil pump  

6  

Oil intake pipe to oil pump and cylinder block  

8 1)  

Oil baffle plate to oil pan (X 16 XEL, Y 16 XE, Z 16 XE)  

8 1)  

Oil pan to transmission (M8)  

20  

Oil pan to transmission (M10)  

40  

Oil pan to cylinder block and oil pump  

10 1)  

Arm to spring strut support tube  

65  

Con-rod bearing cap to con-rod  

25 Nm / 18 lbf. ft. +30 ° 2)  

Power steering pump to ancillary component support  

25  

Wheel to wheel hub  

110  

  

1)  Re-cut thread before re-use and insert with screw locking compound (red). The installation time including torque check is max. 5 min.  

2)  Use new fastening bolts.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Hose clamps in intake system  

3.5 1)  

Flywheel to crankshaft  

35 Nm / 26 lbf. ft. + 30 ° +15 ° 2)  

Dynamic oil level control sensor to oil pan  

8  

Coolant temperature sensor in thermostat housing  

14  

Intake manifold support to intake manifold (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE)  

20  

Intake manifold support to cylinder block (X 16 XEL without secondary air system, Y 16 XE, Z 16 XE)  

35  

Thermostat housing to cylinder head  

20  

Thermostat housing cover with thermostat to thermostat housing (X 16 XEL, Y 16 XE, Z 16 XE)  

8  

Safety valve to oil pump  

30  

Lower alternator fastening bolt to alternator support  

35  

  

1)  It is only ensured that the intake system is free of leaks, thus ensuring operational safety of the engine, if the hose clamps are tightened correctly to the prescribed tightening torque.  

2)  Use new fastening bolts.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Front axle body with new fastening bolts to chassis  

100 Nm / 74 lbf. ft. + 45 ° + 15 ° 1) 2) 3) 4)  

Front exhaust pipe to exhaust manifold  

25  

Toothed belt cover - upper part to rear toothed belt cover  

4  

Toothed belt cover, lower part to rear toothed belt cover  

4  

Toothed belt tension roller to oil pump  

20  

Toothed belt guide pulleys to cylinder head  

25  

Spark plugs to cylinder head  

25  

Ignition module to cylinder head  

8  

Cylinder head to cylinder block  

25 Nm / 18 lbf. ft. + 90 ° + 90 ° + 90 ° + 45 ° 4)  

  

1)  Installation and removal with an impact screwdriver is not permissible. Note various lengths of bolts and washers.  

2)  Insert fastening bolts with screw locking compound (red). The installation time including torque check is max. 5 min.  

3)  Before fitting the front axle body with drive unit: check thread of locking nuts for ease of movement, replace locking nuts if necessary - see operation "Replacement Locking Nuts" in group "A".  

4)  Use new fastening bolts.  

 

 

Recommended Torque Values (Continued)  

 

Nm  

Cylinder head cover to cylinder head  

8  

 

Special Tools and Equipment > < Recommended Torque Values (X25XE, Y26SE)