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Nissan Micra Engine Torque Specs - Tightening Torque Chart (EM-34 S.D.S.)

Service Data and Specifications tightening-torque tables for engine outer parts (alternator, starter, manifolds) and internal parts (cylinder head 54-59 N·m, main bearing cap, connecting rod 29-34 N·m).

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This page is from a factory service manual, section EM-34 (Engine Mechanical), titled 'Service Data and Specifications (S.D.S.) – Tightening Torque'. It provides two complete torque specification tables in N·m, kg-m, and ft-lb units. The first table, 'Engine outer parts', lists torque values for the alternator bracket and adjusting bar bolts, starter motor to transaxle, engine-to-converter/clutch housing bolts, clutch cover fixing bolts, fuel pump nuts, intake and exhaust manifold nuts, spark plugs (14-22 ft-lb), crank pulley bolt (61-69 ft-lb), water outlet, carburetor, gusset bolts, engine-to-transaxle bolts, and oil pressure switch. Engine mounting bracket torques are cross-referenced to page EM-19. The second table, 'Engine internal parts', covers the camshaft pulley bolt, connecting rod nuts (22-25 ft-lb), cylinder head bolts (47-51 ft-lb, with a note to tighten after referring to EM-16), flywheel and drive plate bolts, main bearing cap bolts (34-38 ft-lb, tightened or loosened in two or three stages), oil pan bolts and drain plug, oil pump and strainer bolts, rocker shaft/cover/arm fasteners, tensioner lock nut, water pump bolts, and rear oil seal retainer. This is a key reference for anyone rebuilding or servicing this carbureted transaxle-mounted engine.

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Frequently asked questions

What is the cylinder head bolt torque?
64-69 N·m (6.5-7.0 kg-m, 47-51 ft-lb). Footnote *1 says to tighten after referring to EM-16.
What is the spark plug torque?
20-29 N·m (2.0-3.0 kg-m, 14-22 ft-lb).
What is the crank pulley bolt torque?
83-93 N·m (8.5-9.5 kg-m, 61-69 ft-lb).
How should the main bearing cap bolts be tightened?
46-52 N·m (4.7-5.3 kg-m, 34-38 ft-lb), and per footnote *2 they should be tightened or loosened in two or three stages.
What is the oil pan drain plug torque?
35-47 N·m (3.6-4.8 kg-m, 26-35 ft-lb).

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