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Automotive Torque Specifications

Home Mazda Mazda Pick-Ups 1972-93

Mazda Pick-Ups 1972-93

Engine

B1600, B1800 and B2000 4 Cyl Engines
(With Timing Chains)
Components Torque
Camshaft Sprocket Nut 51-58 ft. lbs.
Crankshaft pulley-to-Crankshaft bolt 101-108 ft. lbs.
cylinder head bolts b1600 and b1800 cold engine (Initial) 56-60 ft. lbs.
warm engine (Final) 69-72 ft. lbs.
b2000 cold engine (Initial) 65-69 ft. lbs.
warm engine (Final) 69-72 ft. lbs.
distributor drive gear nut 51-58 ft. lbs.
exhaust manifold nuts/Bolts b1600 and b1800 12-17 ft. lbs.
b2000 16-21 ft. lbs.
flywheel bolts 112-118 ft. lbs.
intake manifold nuts/Bolts 14-19 ft. lbs.
main bearing cap bolts 61-65 ft. lbs.
oil pan bolts 5-7 ft. lbs.
oil pressure switch 9-13  ft. lbs.
oil pump sprocket nut 22-25 ft. lbs.
rocker arm cover nuts 1.1-1.4 ft. lbs.
rod bearing cap nuts 30-33 ft. lbs.
thermostat housing-to-Engine bolts/Nuts 6mm Bolts/Nuts 5-7 ft. lbs.
8mm Bolts/Nuts 12-17 ft. lbs.
water pump bolts 6mm Bolts 5-7 ft. lbs.
8mm Bolts 12-17 ft. lbs.
miscellaneous 6mm Bolt 5.8 ft. lbs.
8mm Bolt 13.7 ft. lbs.
10mm Bolt 27.5 ft. lbs.
12mm Bolt 47 ft. lbs.
14mm Bolt 66 ft. lbs.
Torque sequence
Fig. 1 Cylinder head bolt torque sequence-(With timing chain)
Loosening sequence
Fig. 2 Cylinder head bolt loosening sequence-(With timing chain)
Timing chain cover
Fig. 3 Timing chain cover and related components.
Timing mak alignment
Fig. 4 Timing mark alignment-(With timing chain)
NOTE: Big gear on the bottom is for the oil pump.
Oil pump gear and chain
Fig. 5 Oil pump gear and chain.
Oil pump components
Fig. 6 Oil pump components-(With timing chain)
Firing order 1-3-4-2
Fig. 7 Cylinder location and firing order 1-3-4-2 (All)

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