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All pictures and texts in this web page are the property of nomaallim.com. Any use of any part of those contents without the written consent of nomaallim.com shall be subject to legal procedures as per international and local laws in the concerned country. Using the name "nomaallim" or "nomaallim com" or "nomaallim.com" in the text describing the unauthorized copied content shall not constitute an exception and shall be sanctioned in accordance to the effective laws and proceedings.
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IMPORTANT!
Always tighten your bolts to the recommended manufacturer's values. Recent bolts tightening instructions are often a combination of an initial torque followed by an angular tightening. |
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DISCLAIMER:
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
Our pictorials are of informative nature and do illustrate works carried out by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
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Peugeot 1.6 engines tightening torques
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We only show the critical bolts to be tightened.
Cylinder head covers, manifolds, sumps, etc. are not covered here for requiring no more than a regular tightening between 1.5 and 2.5 mKg torque. Pay attention however to the pre-tightening: you should always tighten all bolts of a part by hand, then to a pre-tightening stage of 0.9mKg, and then to a torque of 1.5mKg (M6) or 2.5mKg (M8). Bolts subject to excess heat like exhaust and turbos should be tighteded to 3.5mKg. Do this for all bolts at a time for each step, not one by one! This ensures the perfect contact between the two mechanical parts to assemble and avoids damaging seals and gaskets. |
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Peugeot 1.6 HDi diesel engine torques
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Peugeot 1.6 HDi Cylinder head tightening torques:
Pre-tighten
2 daNm Tightening 4 daNm Angular tightening 260° |
Peugeot 1.6 HDi crankshaft and flywheel tightening torques:
Flywheel:
Pre-tighten
0.8 daNm Pre-tighten 1.7 daNm Tightening 2.5 daNm Angular tightening 75° Crankshaft:
Bearing cap fixing screws on engine block:
Pre-tighten 1 daNm Angular slackening 180° Tightening 3 daNm Angular tightening 140° Crankshaft main bearing cap casing:
Pre-tighten 0.6 daNm Tightening 0.8 daNm NEVER OVERTIGHTEN CRANKSHAFT CAPS BOLTS Drive belt pulley:
Pre-tighten 3.5 daNm Angular tightening 190° NEVER UNDERTIGHTEN DRIVE BELT PULLEY CENTRAL BOLT |
Peugeot 1.6 HDi camshafts tightening torques:
Camshaft bearing caps
Tightening: 1 daNm NEVER OVERTIGHTEN CAMSHAFTS CAPS BOLTS
Camshaft pulley Pre-tighten 2 daNm Angular tightening 50° Timing belt roller bearing Tightening: 3.7 daNm Timing belt tensioner roller Tightening: 2.3 daNm Camshaft timing chain tensioner: Tightening 1 daNm |
Peugeot 1.6 HDi injectors tightening torques:
Diesel injectors fixing pillar screws:
Pre-tighten 0.5 daNm Tightening 1 daNm Connector on diesel injector: Pre-tighten 2 daNm Tightening 2.5 daNm Injector mounting flange nut: Pre-tighten 0.4 daNm Angular tightening 75° Diesel injection pump on support: Tightening 2.2 daNm Diesel injection pump pulley Tightening 5 daNm |
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Peugeot 1.6 VTi and 1.6 THP tightening torques (EP6 petrol engine)
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Peugeot 1.6 VTi Cylinder head tightening torques:
Cylinder head main bolts (10Nos):
Pre-tighten to 3 daNm Angular pre-tightening to 90° Angular tightening to 90° Cylinder head bolts next to timing chain (2 Nos): Pre-tighten to 1.5 daNm Angular pre-tightening to 90° Angular tightening to 90° Cylinder head small peripheral bolt (1No): Pre-tighten to 2.5 daNm Angular tightening to 30° |
Peugeot 1.6 VTi crankshaft and flywheel tightening torques:
Crankshaft bearing cap fixing bolts on the engine block:
Pre-tighten to 3 daNm Angular tighten to 150 ± 5 ° Crankshaft main bearing cap casting peripheral bolt: 0.9 daNm NEVER OVERTIGHTEN CRANKSHAFT CAPS BOLTS Ancillary drive pulley fixing bolts Tightening to 2.8 m.daN Crankshaft gear main central bolt: Pre-tighten to 5 daNm Angular tighten to 180 ± 10 ° NEVER UNDERTIGHTEN CRANKSHAFT GEAR CENTRAL BOLT
Flywheel bolts Pre-tighten to 0.8 daNm Pre-tighten to 3 daNm Angular tighten to 90 ± 5 ° Piston connecting rod: Pre-tighten to 0.5 daNm Pre-tighten to 1.5 daNm Angular tighten to 130 ± 5 ° |
Peugeot 1.6 VTi camshafts tightening torques:
Inlet camshaft main bearing caps:
1 daNm Exhaust camshaft main bearing caps: 1 daNm NEVER OVERTIGHTEN CAMSHAFTS CAPS BOLTS Inlet camshaft pulley: Pre-tighten to 2 daNm Angular tighten to 180 ± 5 ° Exhaust camshaft pulley: Pre-tighten to 2 daNm Angular tighten to 90 ± 5 ° |
General recommendations for bolts tightening order
Rectangular parts like the cylinder head, are tightened starting with the inner bolts and moving towards the outer bolts, by alternating actions on each side, i.e. you should never tighten to from center to right, then center to left, rather from center to both right and left alternatively, row by row.
Circular parts like flywheels or pulleys are to be tightened while moving from one bolt to the one after the next one, when following the circumference in the same direction (clockwise or anti-clockwise).
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